FOI release
Accident Data 1995 - 2005 (M4 M25) - Part 2
Updated 4 February 2019
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| acc_yr | acc_ref | HE_Area | HE_Region | accident_severity | no_of_vehicles | no_of_casualties | day_number | month_desc | weekday_desc | hour | minute | timeperiod | date_of_accident | hatrisid | RoadLinkDescription | RoadLinkDirection | road_no | link_description | road_1st_desc | road_2nd_desc | startjunction | endjunction | link_description | police_officer_attend_desc | pol_force_desc | county_desc | local_authority_desc | region_county_desc | easting | northing | road_class_1st | road_number_1st | road_type_desc | road_type_group | speed_limit | junction_detail_desc | junction_detail_group | junction_control_desc | road_class_2nd | road_number_2nd | pedestrian_crossing_human_desc | pedestrian_crossing_physical_desc | light_condition_desc | light_condition_group | weather_desc | weather_group | road_surface_condition_desc | special_condition_desc | carriageway_hazard_desc |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 43R001015 | 3 | South East | Slight | 2 | 2 | 1 | January | Sunday | 10 | 30 | 42 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497740 | 178960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U054015 | 3 | South East | Slight | 1 | 1 | 1 | January | Sunday | 19 | 45 | 79 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 430050 | 176440 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Frost or ice | None | None |
| 1995 | 01TC00008 | 5 | M25 | Slight | 2 | 1 | 4 | January | Wednesday | 6 | 53 | 27 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518330 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R013015 | 3 | South East | Slight | 1 | 2 | 5 | January | Thursday | 13 | 0 | 52 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 469030 | 169550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43U014015 | 3 | South East | Slight | 4 | 1 | 6 | January | Friday | 11 | 50 | 47 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464090 | 172990 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1995 | 01TC00011 | 5 | M25 | Slight | 1 | 1 | 7 | January | Saturday | 16 | 48 | 67 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518760 | 178370 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00014 | 5 | M25 | Slight | 2 | 1 | 9 | January | Monday | 8 | 27 | 33 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518230 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00022 | 5 | M25 | Slight | 2 | 2 | 11 | January | Wednesday | 10 | 55 | 43 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518270 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | A | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00024 | 5 | M25 | Slight | 1 | 1 | 14 | January | Saturday | 0 | 14 | 0 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518720 | 178350 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R051015 | 3 | South East | Slight | 2 | 3 | 15 | January | Sunday | 19 | 10 | 76 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470880 | 169010 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R057015 | 3 | South East | Slight | 1 | 4 | 17 | January | Tuesday | 11 | 45 | 47 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500310 | 177560 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine and high winds | Fine | Wet or damp | None | None |
| 1995 | 43U050015 | 3 | South East | Slight | 4 | 1 | 18 | January | Wednesday | 7 | 0 | 28 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 430750 | 176060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | Involvement with previous accident |
| 1995 | 43R075015 | 3 | South East | Slight | 2 | 1 | 19 | January | Thursday | 19 | 0 | 76 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | M4 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495820 | 179240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01ID00007 | 5 | M25 | Slight | 1 | 2 | 19 | January | Thursday | 20 | 18 | 81 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | A408 | NULL | NULL | No Road Link Defined | Unknown | Metropolitan Police | Greater London | London Airport | London Boroughs & City of London | 506890 | 176900 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | A | 408 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43U062015 | 3 | South East | Slight | 1 | 1 | 22 | January | Sunday | 3 | 50 | 15 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 445340 | 173230 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine and high winds | Fine | Wet or damp | None | None |
| 1995 | 01ID00008 | 5 | M25 | Slight | 2 | 1 | 22 | January | Sunday | 12 | 50 | 51 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | A4 | NULL | NULL | No Road Link Defined | Unknown | Metropolitan Police | Greater London | London Airport | London Boroughs & City of London | 506890 | 176900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | T, Y or staggered junction | Junction | Auto traffic signal | A | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00040 | 5 | M25 | Slight | 2 | 1 | 23 | January | Monday | 18 | 30 | 74 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517620 | 178200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U073015 | 3 | South East | Serious | 2 | 1 | 23 | January | Monday | 22 | 15 | 89 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 440820 | 172460 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01ID00009 | 5 | M25 | Slight | 2 | 1 | 25 | January | Wednesday | 7 | 45 | 31 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | London Airport | London Boroughs & City of London | 507560 | 177120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43U088015 | 3 | South East | Slight | 1 | 1 | 30 | January | Monday | 6 | 40 | 26 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 456130 | 173600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining and high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00044 | 5 | M25 | Slight | 2 | 1 | 30 | January | Monday | 9 | 35 | 38 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 511330 | 177960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43U093015 | 3 | South East | Slight | 2 | 4 | 31 | January | Tuesday | 10 | 35 | 42 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 454390 | 174080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R003025 | 3 | South East | Slight | 2 | 2 | 1 | February | Wednesday | 7 | 35 | 30 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 472680 | 168710 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00055 | 5 | M25 | Serious | 1 | 1 | 2 | February | Thursday | 11 | 45 | 47 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518340 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | A | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U007025 | 3 | South East | Slight | 3 | 1 | 3 | February | Friday | 9 | 25 | 37 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 458630 | 173830 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 43U017025 | 3 | South East | Slight | 3 | 1 | 3 | February | Friday | 14 | 30 | 58 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447000 | 172910 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43U016025 | 3 | South East | Slight | 1 | 1 | 3 | February | Friday | 20 | 5 | 80 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 443840 | 173120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00059 | 5 | M25 | Serious | 1 | 1 | 3 | February | Friday | 23 | 30 | 94 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512600 | 177870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R028025 | 3 | South East | Slight | 2 | 1 | 4 | February | Saturday | 14 | 0 | 56 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 457030 | 173790 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R021025 | 3 | South East | Slight | 1 | 1 | 5 | February | Sunday | 8 | 26 | 33 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480430 | 171400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00105 | 3 | South East | Serious | 1 | 1 | 6 | February | Monday | 3 | 55 | 15 | 00:00.0 | LM540 | M4 between M4 J16 and M4 J15 (LM540) | B | M4 | M4 J16 to M4 J15 | M4 | Unknown or Unavailable0 | M4 J16 | M4 J15 | M4 J16 to M4 J15 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 419200 | 180900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00073 | 5 | M25 | Slight | 2 | 1 | 6 | February | Monday | 7 | 30 | 30 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 513260 | 178020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R029025 | 3 | South East | Slight | 2 | 1 | 6 | February | Monday | 8 | 0 | 32 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479690 | 170880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00065 | 5 | M25 | Slight | 2 | 2 | 7 | February | Tuesday | 9 | 15 | 37 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507570 | 177010 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00064 | 5 | M25 | Slight | 2 | 2 | 8 | February | Wednesday | 12 | 14 | 48 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507550 | 177070 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00063 | 5 | M25 | Slight | 2 | 1 | 8 | February | Wednesday | 18 | 20 | 73 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507550 | 177070 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R042025 | 3 | South East | Slight | 3 | 2 | 9 | February | Thursday | 17 | 20 | 69 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487060 | 177430 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U037025 | 3 | South East | Slight | 5 | 2 | 10 | February | Friday | 6 | 47 | 27 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 448960 | 173140 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R089025 | 3 | South East | Slight | 2 | 1 | 10 | February | Friday | 10 | 2 | 40 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494810 | 179570 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00079 | 5 | M25 | Serious | 1 | 1 | 10 | February | Friday | 11 | 45 | 47 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517830 | 178290 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Give way sign/marks | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 43R046025 | 3 | South East | Serious | 3 | 1 | 10 | February | Friday | 16 | 10 | 64 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 482130 | 172640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R043025 | 3 | South East | Slight | 4 | 2 | 10 | February | Friday | 17 | 45 | 71 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494350 | 179750 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00067 | 5 | M25 | Slight | 3 | 2 | 11 | February | Saturday | 9 | 18 | 37 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 177150 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R065025 | 3 | South East | Slight | 1 | 4 | 12 | February | Sunday | 6 | 30 | 26 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 499160 | 177460 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00077 | 5 | M25 | Slight | 2 | 2 | 13 | February | Monday | 20 | 42 | 82 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512600 | 177870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00234 | 5 | M25 | Slight | 1 | 1 | 13 | February | Monday | 20 | 42 | 82 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510910 | 178110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00081 | 5 | M25 | Serious | 2 | 1 | 14 | February | Tuesday | 9 | 55 | 39 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518550 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R055025 | 3 | South East | Slight | 5 | 1 | 14 | February | Tuesday | 10 | 35 | 42 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467110 | 169980 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 54MB00125 | 3 | South East | Slight | 1 | 1 | 15 | February | Wednesday | 7 | 30 | 30 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 429200 | 177300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Snowing no high winds | Snowing | Snow | None | None |
| 1995 | 01TC00085 | 5 | M25 | Slight | 2 | 4 | 15 | February | Wednesday | 16 | 25 | 65 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 177060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00086 | 5 | M25 | Slight | 3 | 1 | 15 | February | Wednesday | 16 | 30 | 66 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Unknown or Unavailable | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R058025 | 3 | South East | Slight | 1 | 1 | 16 | February | Thursday | 0 | 10 | 0 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 499090 | 177480 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00088 | 5 | M25 | Slight | 2 | 1 | 16 | February | Thursday | 7 | 50 | 31 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507550 | 177100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00087 | 5 | M25 | Slight | 2 | 2 | 16 | February | Thursday | 9 | 50 | 39 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 177060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TD00112 | 5 | M25 | Slight | 2 | 1 | 16 | February | Thursday | 15 | 54 | 63 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510420 | 178140 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R073025 | 3 | South East | Slight | 3 | 2 | 16 | February | Thursday | 18 | 30 | 74 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495780 | 179250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine and high winds | Fine | Wet or damp | None | None |
| 1995 | 43R091025 | 3 | South East | Slight | 2 | 1 | 17 | February | Friday | 7 | 48 | 31 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489990 | 178640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U064025 | 3 | South East | Slight | 4 | 3 | 17 | February | Friday | 14 | 53 | 59 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 440620 | 172410 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00092 | 5 | M25 | Slight | 2 | 1 | 17 | February | Friday | 17 | 30 | 70 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 177230 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00095 | 5 | M25 | Slight | 1 | 1 | 18 | February | Saturday | 15 | 3 | 60 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512600 | 177870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00093 | 5 | M25 | Slight | 2 | 1 | 18 | February | Saturday | 18 | 10 | 72 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518470 | 178380 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | A | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R081025 | 5 | M25 | Slight | 1 | 2 | 19 | February | Sunday | 4 | 45 | 19 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | M4 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501710 | 178100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TD00135 | 5 | M25 | Slight | 2 | 1 | 19 | February | Sunday | 20 | 40 | 82 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unclassified0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518770 | 178350 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | T, Y or staggered junction | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00094 | 5 | M25 | Serious | 2 | 1 | 20 | February | Monday | 6 | 45 | 27 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177980 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R087025 | 3 | South East | Slight | 2 | 1 | 20 | February | Monday | 18 | 15 | 73 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498590 | 177890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00110 | 5 | M25 | Slight | 2 | 1 | 22 | February | Wednesday | 13 | 5 | 52 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 177060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining and high winds | Raining | Wet or damp | None | None |
| 1995 | 54MA00175 | 3 | South East | Slight | 2 | 1 | 23 | February | Thursday | 10 | 25 | 41 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428600 | 178200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U085025 | 3 | South East | Slight | 2 | 1 | 23 | February | Thursday | 16 | 45 | 67 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464290 | 172760 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00105 | 5 | M25 | Slight | 2 | 1 | 23 | February | Thursday | 19 | 10 | 76 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 514150 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00112 | 5 | M25 | Slight | 3 | 3 | 24 | February | Friday | 8 | 20 | 33 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517920 | 178300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R108025 | 3 | South East | Slight | 3 | 1 | 24 | February | Friday | 18 | 5 | 72 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488500 | 178520 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R117025 | 3 | South East | Slight | 1 | 1 | 25 | February | Saturday | 5 | 35 | 22 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470720 | 169140 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00104 | 5 | M25 | Slight | 2 | 4 | 25 | February | Saturday | 7 | 57 | 31 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507500 | 177270 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R119025 | 3 | South East | Slight | 2 | 1 | 25 | February | Saturday | 13 | 35 | 54 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470960 | 168970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00106 | 5 | M25 | Slight | 3 | 2 | 26 | February | Sunday | 13 | 5 | 52 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507500 | 177270 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00122 | 5 | M25 | Serious | 2 | 1 | 1 | March | Wednesday | 10 | 34 | 42 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 513230 | 177990 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine and high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00123 | 5 | M25 | Slight | 2 | 1 | 2 | March | Thursday | 7 | 18 | 29 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 513340 | 178020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R016035 | 3 | South East | Slight | 2 | 1 | 2 | March | Thursday | 7 | 30 | 30 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471410 | 168780 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00165 | 3 | South East | Slight | 2 | 1 | 3 | March | Friday | 7 | 15 | 29 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428400 | 178400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00146 | 5 | M25 | Slight | 2 | 1 | 5 | March | Sunday | 19 | 45 | 79 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518690 | 178340 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00126 | 5 | M25 | Slight | 2 | 1 | 6 | March | Monday | 8 | 30 | 34 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518750 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R015035 | 3 | South East | Slight | 3 | 1 | 7 | March | Tuesday | 10 | 15 | 41 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494550 | 179650 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00128 | 5 | M25 | Slight | 2 | 1 | 8 | March | Wednesday | 8 | 55 | 35 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519030 | 178470 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R024035 | 5 | M25 | Slight | 2 | 1 | 8 | March | Wednesday | 17 | 19 | 69 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | M4 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 500890 | 177810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 43R028035 | 3 | South East | Slight | 1 | 1 | 8 | March | Wednesday | 18 | 35 | 74 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470790 | 169090 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U029035 | 3 | South East | Slight | 3 | 1 | 8 | March | Wednesday | 22 | 2 | 88 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453780 | 174050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00225 | 3 | South East | Slight | 1 | 1 | 10 | March | Friday | 7 | 2 | 28 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 425900 | 179400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R035035 | 3 | South East | Slight | 2 | 3 | 11 | March | Saturday | 0 | 30 | 2 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495110 | 179470 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R044035 | 3 | South East | Slight | 1 | 1 | 11 | March | Saturday | 4 | 35 | 18 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Bracknell Forest | Berkshire | 484660 | 174460 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U042035 | 3 | South East | Slight | 1 | 2 | 12 | March | Sunday | 14 | 12 | 56 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 432530 | 174960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00139 | 5 | M25 | Serious | 1 | 1 | 12 | March | Sunday | 22 | 28 | 89 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unclassified0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512490 | 177830 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R077035 | 3 | South East | Slight | 2 | 1 | 14 | March | Tuesday | 3 | 30 | 14 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | M4 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489040 | 178630 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00162 | 5 | M25 | Slight | 2 | 1 | 15 | March | Wednesday | 8 | 47 | 35 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518760 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N102035 | 5 | M25 | Serious | 5 | 3 | 15 | March | Wednesday | 17 | 30 | 70 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 502800 | 178170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00161 | 5 | M25 | Slight | 2 | 1 | 17 | March | Friday | 17 | 23 | 69 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507660 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TD00183 | 5 | M25 | Serious | 1 | 1 | 18 | March | Saturday | 4 | 50 | 19 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510470 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00255 | 3 | South East | Slight | 3 | 2 | 18 | March | Saturday | 10 | 30 | 42 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 427700 | 178800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00156 | 5 | M25 | Slight | 2 | 2 | 18 | March | Saturday | 13 | 28 | 53 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510050 | 178270 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00188 | 5 | M25 | Slight | 2 | 1 | 21 | March | Tuesday | 13 | 0 | 52 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510470 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00165 | 5 | M25 | Slight | 3 | 1 | 21 | March | Tuesday | 19 | 15 | 77 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507440 | 178620 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | A | 408 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U081035 | 3 | South East | Slight | 3 | 1 | 25 | March | Saturday | 21 | 30 | 86 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434380 | 173960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R101035 | 3 | South East | Slight | 3 | 1 | 27 | March | Monday | 8 | 30 | 34 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 477780 | 170100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43U086035 | 3 | South East | Slight | 2 | 2 | 27 | March | Monday | 11 | 46 | 47 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 462710 | 173740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00176 | 5 | M25 | Slight | 2 | 1 | 27 | March | Monday | 18 | 28 | 73 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 514080 | 178430 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00180 | 5 | M25 | Slight | 2 | 2 | 29 | March | Wednesday | 7 | 50 | 31 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518860 | 178430 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00295 | 3 | South East | Slight | 1 | 2 | 1 | April | Saturday | 9 | 32 | 38 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 426200 | 179300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00195 | 5 | M25 | Slight | 2 | 1 | 1 | April | Saturday | 11 | 55 | 47 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507270 | 178550 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U012045 | 3 | South East | Slight | 1 | 1 | 2 | April | Sunday | 12 | 15 | 49 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 444320 | 173230 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U010045 | 3 | South East | Slight | 2 | 4 | 2 | April | Sunday | 12 | 45 | 51 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 456010 | 173580 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R003045 | 3 | South East | Slight | 2 | 1 | 3 | April | Monday | 0 | 50 | 3 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Bracknell Forest | Berkshire | 484940 | 174740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R005045 | 3 | South East | Slight | 1 | 1 | 3 | April | Monday | 1 | 13 | 4 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Bracknell Forest | Berkshire | 484940 | 174730 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Involvement with previous accident |
| 1995 | 01XH00365 | 5 | M25 | Slight | 2 | 1 | 7 | April | Friday | 7 | 55 | 31 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178620 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R020045 | 3 | South East | Slight | 2 | 1 | 7 | April | Friday | 14 | 50 | 59 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486220 | 176730 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U031045 | 3 | South East | Slight | 2 | 1 | 8 | April | Saturday | 13 | 50 | 55 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 462610 | 173780 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U029045 | 3 | South East | Slight | 2 | 1 | 8 | April | Saturday | 15 | 43 | 62 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 449750 | 173720 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00201 | 5 | M25 | Serious | 3 | 3 | 10 | April | Monday | 8 | 45 | 35 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506900 | 178570 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R024045 | 5 | M25 | Slight | 2 | 1 | 10 | April | Monday | 13 | 30 | 54 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 504180 | 178420 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U046045 | 3 | South East | Slight | 2 | 1 | 10 | April | Monday | 16 | 5 | 64 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464120 | 172990 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00218 | 5 | M25 | Slight | 3 | 1 | 18 | April | Tuesday | 17 | 15 | 69 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 510340 | 178240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R068045 | 3 | South East | Slight | 2 | 2 | 20 | April | Thursday | 5 | 0 | 20 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488000 | 178140 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00224 | 5 | M25 | Serious | 3 | 2 | 21 | April | Friday | 7 | 5 | 28 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518640 | 178330 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Give way sign/marks | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00225 | 5 | M25 | Slight | 2 | 1 | 22 | April | Saturday | 6 | 43 | 26 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510500 | 178170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00235 | 5 | M25 | Slight | 1 | 1 | 22 | April | Saturday | 9 | 20 | 37 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510560 | 178210 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01XH00367 | 5 | M25 | Slight | 2 | 1 | 24 | April | Monday | 12 | 40 | 50 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178620 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00325 | 3 | South East | Slight | 2 | 2 | 25 | April | Tuesday | 5 | 20 | 21 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 422600 | 180700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00232 | 5 | M25 | Slight | 2 | 1 | 25 | April | Tuesday | 9 | 43 | 38 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518640 | 178330 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Give way sign/marks | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U099045 | 3 | South East | Slight | 3 | 1 | 26 | April | Wednesday | 8 | 47 | 35 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447290 | 172850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43U111045 | 3 | South East | Slight | 1 | 3 | 30 | April | Sunday | 9 | 10 | 36 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453200 | 174000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00244 | 5 | M25 | Slight | 2 | 1 | 1 | May | Monday | 8 | 40 | 34 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 515250 | 178710 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U005055 | 3 | South East | Slight | 1 | 1 | 1 | May | Monday | 9 | 45 | 39 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464700 | 171950 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N012055 | 3 | South East | Slight | 1 | 1 | 3 | May | Wednesday | 8 | 30 | 34 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493300 | 179850 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U008055 | 3 | South East | Slight | 1 | 1 | 4 | May | Thursday | 3 | 15 | 13 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 456590 | 173690 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00254 | 5 | M25 | Slight | 3 | 2 | 5 | May | Friday | 17 | 0 | 68 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518440 | 178330 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00258 | 5 | M25 | Slight | 2 | 1 | 7 | May | Sunday | 11 | 45 | 47 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509180 | 178360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00260 | 5 | M25 | Slight | 3 | 4 | 8 | May | Monday | 14 | 5 | 56 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U041055 | 3 | South East | Serious | 1 | 1 | 8 | May | Monday | 21 | 15 | 85 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453380 | 174040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00259 | 5 | M25 | Slight | 3 | 4 | 9 | May | Tuesday | 7 | 38 | 30 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507670 | 178530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01ID00028 | 5 | M25 | Slight | 1 | 1 | 10 | May | Wednesday | 22 | 0 | 88 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177040 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U033055 | 3 | South East | Serious | 1 | 1 | 13 | May | Saturday | 10 | 2 | 40 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 430250 | 176340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R066055 | 3 | South East | Slight | 2 | 1 | 15 | May | Monday | 14 | 55 | 59 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471230 | 168800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00395 | 3 | South East | Slight | 2 | 1 | 16 | May | Tuesday | 15 | 36 | 62 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 424000 | 179700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00272 | 5 | M25 | Slight | 3 | 2 | 17 | May | Wednesday | 10 | 50 | 43 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507510 | 177140 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00290 | 5 | M25 | Slight | 1 | 1 | 17 | May | Wednesday | 16 | 55 | 67 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507380 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00281 | 5 | M25 | Slight | 2 | 1 | 18 | May | Thursday | 12 | 45 | 51 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | A4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507730 | 176960 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | A | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00278 | 5 | M25 | Slight | 2 | 2 | 19 | May | Friday | 14 | 0 | 56 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 513150 | 177980 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R090055 | 3 | South East | Serious | 1 | 1 | 20 | May | Saturday | 3 | 25 | 13 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489570 | 178590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00273 | 5 | M25 | Slight | 2 | 2 | 21 | May | Sunday | 10 | 0 | 40 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unclassified0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507910 | 178520 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U053055 | 3 | South East | Slight | 2 | 1 | 21 | May | Sunday | 10 | 5 | 40 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 461230 | 173760 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00283 | 5 | M25 | Slight | 3 | 1 | 22 | May | Monday | 7 | 25 | 29 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507620 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00282 | 5 | M25 | Slight | 2 | 1 | 22 | May | Monday | 10 | 18 | 41 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518440 | 178330 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R087055 | 3 | South East | Slight | 1 | 2 | 22 | May | Monday | 15 | 3 | 60 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479900 | 171070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00291 | 5 | M25 | Slight | 2 | 1 | 24 | May | Wednesday | 22 | 50 | 91 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507300 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights unlit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00284 | 5 | M25 | Slight | 2 | 1 | 25 | May | Thursday | 6 | 40 | 26 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507300 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U068055 | 3 | South East | Slight | 1 | 1 | 25 | May | Thursday | 7 | 25 | 29 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 451020 | 174290 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1995 | 01TC00294 | 5 | M25 | Slight | 3 | 1 | 26 | May | Friday | 18 | 40 | 74 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518390 | 178330 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U083055 | 3 | South East | Slight | 5 | 2 | 27 | May | Saturday | 10 | 20 | 41 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 437090 | 172380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R128055 | 3 | South East | Slight | 2 | 1 | 28 | May | Sunday | 8 | 40 | 34 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | A329(M) | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479190 | 170390 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | A(M) | 329 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00296 | 5 | M25 | Slight | 2 | 1 | 30 | May | Tuesday | 13 | 58 | 55 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509180 | 178340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00298 | 5 | M25 | Slight | 1 | 1 | 1 | June | Thursday | 10 | 0 | 40 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518900 | 178450 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R004065 | 3 | South East | Slight | 1 | 1 | 1 | June | Thursday | 12 | 4 | 48 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485730 | 175880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00425 | 3 | South East | Slight | 4 | 1 | 2 | June | Friday | 14 | 45 | 59 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 429000 | 177500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R013065 | 3 | South East | Slight | 4 | 2 | 3 | June | Saturday | 12 | 45 | 51 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465280 | 171380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R021065 | 3 | South East | Slight | 18 | 3 | 4 | June | Sunday | 22 | 0 | 88 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 466230 | 170620 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | Dislodged vehicle load in carriageway |
| 1995 | 43R026065 | 3 | South East | Slight | 1 | 1 | 5 | June | Monday | 13 | 44 | 54 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | Unknown or Unavailable0 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479850 | 174000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R022065 | 3 | South East | Slight | 1 | 1 | 5 | June | Monday | 16 | 39 | 66 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485400 | 175300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00314 | 5 | M25 | Slight | 1 | 1 | 7 | June | Wednesday | 10 | 15 | 41 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512490 | 177830 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U019065 | 3 | South East | Serious | 1 | 1 | 7 | June | Wednesday | 12 | 10 | 48 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 449290 | 173320 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U026065 | 3 | South East | Fatal | 1 | 1 | 7 | June | Wednesday | 22 | 5 | 88 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 441910 | 172590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R050065 | 3 | South East | Slight | 1 | 10 | 10 | June | Saturday | 12 | 25 | 49 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470890 | 169040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00319 | 5 | M25 | Slight | 3 | 3 | 14 | June | Wednesday | 8 | 10 | 32 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506420 | 178480 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R063065 | 3 | South East | Slight | 2 | 1 | 15 | June | Thursday | 15 | 45 | 63 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486470 | 177040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U042065 | 3 | South East | Serious | 2 | 1 | 16 | June | Friday | 3 | 5 | 12 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434220 | 174080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U045065 | 3 | South East | Slight | 1 | 2 | 17 | June | Saturday | 12 | 45 | 51 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434660 | 173640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00328 | 5 | M25 | Slight | 3 | 3 | 17 | June | Saturday | 17 | 30 | 70 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unclassified0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 177100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | T, Y or staggered junction | Junction | Auto traffic signal | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | Auto traffic signal partially defective | None |
| 1995 | 43U044065 | 3 | South East | Slight | 2 | 1 | 18 | June | Sunday | 1 | 0 | 4 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 443190 | 172860 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Other animal or pedestrian in carriageway |
| 1995 | 43R087065 | 3 | South East | Serious | 4 | 1 | 19 | June | Monday | 8 | 50 | 35 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | Unknown or Unavailable0 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488500 | 179520 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U054065 | 3 | South East | Slight | 1 | 1 | 19 | June | Monday | 13 | 3 | 52 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 441120 | 172520 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R091065 | 3 | South East | Fatal | 2 | 2 | 20 | June | Tuesday | 12 | 14 | 48 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | M4 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496450 | 179060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43U055065 | 3 | South East | Slight | 2 | 3 | 22 | June | Thursday | 1 | 57 | 7 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 441310 | 172540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00455 | 3 | South East | Slight | 1 | 2 | 22 | June | Thursday | 16 | 4 | 64 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 426000 | 179400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00336 | 5 | M25 | Slight | 2 | 2 | 23 | June | Friday | 8 | 30 | 34 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510400 | 178250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R113065 | 3 | South East | Slight | 2 | 1 | 23 | June | Friday | 8 | 40 | 34 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | Unknown or Unavailable0 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 490000 | 170000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Unknown or Unavailable | Unknown | Unknown or Unavailable | None | None |
| 1995 | 43R106065 | 5 | M25 | Slight | 1 | 1 | 23 | June | Friday | 16 | 35 | 66 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503280 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R105065 | 3 | South East | Slight | 5 | 1 | 23 | June | Friday | 19 | 10 | 76 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496060 | 179180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R117065 | 3 | South East | Slight | 2 | 1 | 23 | June | Friday | 19 | 40 | 78 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493390 | 180030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R114065 | 3 | South East | Slight | 2 | 1 | 23 | June | Friday | 20 | 0 | 80 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496270 | 179180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01ID00042 | 5 | M25 | Slight | 1 | 1 | 25 | June | Sunday | 14 | 40 | 58 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507570 | 176910 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 30 | Multiple junction | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U063065 | 3 | South East | Slight | 3 | 2 | 25 | June | Sunday | 17 | 0 | 68 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 436400 | 172670 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R127065 | 3 | South East | Slight | 2 | 2 | 26 | June | Monday | 14 | 40 | 58 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471570 | 168650 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00344 | 5 | M25 | Slight | 2 | 1 | 29 | June | Thursday | 10 | 24 | 41 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | M4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 511710 | 177830 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Private drive or entrance | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U004075 | 3 | South East | Serious | 2 | 3 | 1 | July | Saturday | 15 | 25 | 61 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 459040 | 173880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00485 | 3 | South East | Slight | 1 | 2 | 2 | July | Sunday | 7 | 34 | 30 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423600 | 180100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U016075 | 3 | South East | Slight | 1 | 1 | 2 | July | Sunday | 20 | 0 | 80 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 450060 | 174010 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R006075 | 3 | South East | Slight | 5 | 2 | 3 | July | Monday | 18 | 30 | 74 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493580 | 179990 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00363 | 5 | M25 | Slight | 2 | 1 | 6 | July | Thursday | 17 | 45 | 71 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510570 | 178200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R023075 | 3 | South East | Serious | 1 | 1 | 8 | July | Saturday | 7 | 40 | 30 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483580 | 173730 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R021075 | 3 | South East | Slight | 1 | 2 | 8 | July | Saturday | 12 | 10 | 48 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470140 | 169340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R022075 | 3 | South East | Slight | 1 | 1 | 8 | July | Saturday | 18 | 15 | 73 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485600 | 175600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01ID00046 | 5 | M25 | Serious | 1 | 1 | 9 | July | Sunday | 3 | 35 | 14 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 176890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | T, Y or staggered junction | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights unlit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R025075 | 3 | South East | Slight | 1 | 1 | 9 | July | Sunday | 7 | 10 | 28 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481870 | 172470 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U029075 | 3 | South East | Serious | 2 | 1 | 9 | July | Sunday | 9 | 40 | 38 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 435040 | 173330 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R031075 | 3 | South East | Slight | 1 | 1 | 10 | July | Monday | 14 | 30 | 58 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | Unknown or Unavailable0 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 473190 | 169900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R032075 | 3 | South East | Serious | 1 | 6 | 11 | July | Tuesday | 0 | 10 | 0 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481630 | 172280 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R034075 | 3 | South East | Slight | 2 | 1 | 12 | July | Wednesday | 9 | 5 | 36 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488860 | 178560 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00399 | 5 | M25 | Slight | 2 | 1 | 12 | July | Wednesday | 9 | 10 | 36 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518740 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R084075 | 3 | South East | Slight | 2 | 1 | 14 | July | Friday | 9 | 10 | 36 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488850 | 178550 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00495 | 3 | South East | Serious | 1 | 2 | 14 | July | Friday | 12 | 18 | 49 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428000 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U065075 | 3 | South East | Slight | 1 | 1 | 16 | July | Sunday | 5 | 35 | 22 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 446610 | 172980 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U067075 | 3 | South East | Slight | 1 | 1 | 17 | July | Monday | 5 | 17 | 21 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 452500 | 174030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 54MA00525 | 3 | South East | Slight | 1 | 1 | 17 | July | Monday | 7 | 38 | 30 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 422900 | 180700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00392 | 5 | M25 | Slight | 2 | 1 | 17 | July | Monday | 8 | 5 | 32 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512540 | 177850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U070075 | 3 | South East | Slight | 3 | 2 | 18 | July | Tuesday | 17 | 45 | 71 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 456890 | 173760 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U073075 | 3 | South East | Slight | 2 | 1 | 19 | July | Wednesday | 9 | 50 | 39 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 454970 | 173900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R097075 | 3 | South East | Serious | 2 | 4 | 19 | July | Wednesday | 23 | 4 | 92 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 468140 | 169610 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U088075 | 3 | South East | Slight | 2 | 1 | 20 | July | Thursday | 1 | 0 | 4 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 439900 | 172210 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R111075 | 3 | South East | Slight | 3 | 1 | 20 | July | Thursday | 14 | 14 | 56 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | M4 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471950 | 168570 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R104075 | 3 | South East | Slight | 2 | 1 | 22 | July | Saturday | 5 | 55 | 23 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 476460 | 169460 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R119075 | 3 | South East | Slight | 2 | 5 | 22 | July | Saturday | 18 | 19 | 73 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470320 | 169270 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00410 | 5 | M25 | Slight | 2 | 1 | 24 | July | Monday | 18 | 20 | 73 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518740 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R123075 | 3 | South East | Slight | 1 | 1 | 25 | July | Tuesday | 12 | 40 | 50 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Bracknell Forest | Berkshire | 484740 | 174530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R131075 | 3 | South East | Slight | 4 | 1 | 26 | July | Wednesday | 8 | 13 | 32 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490800 | 179100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00414 | 5 | M25 | Slight | 2 | 1 | 28 | July | Friday | 19 | 25 | 77 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518740 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00575 | 3 | South East | Slight | 1 | 2 | 29 | July | Saturday | 14 | 9 | 56 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 427300 | 178900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00565 | 3 | South East | Slight | 1 | 1 | 2 | August | Wednesday | 13 | 14 | 52 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 422600 | 180700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R037085 | 5 | M25 | Slight | 3 | 1 | 2 | August | Wednesday | 15 | 57 | 63 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501500 | 178070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | Dislodged vehicle load in carriageway |
| 1995 | 01TC00429 | 5 | M25 | Serious | 2 | 2 | 3 | August | Thursday | 11 | 10 | 44 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518260 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U010085 | 3 | South East | Slight | 2 | 1 | 4 | August | Friday | 6 | 10 | 24 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 458450 | 173810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R024085 | 3 | South East | Serious | 1 | 2 | 5 | August | Saturday | 4 | 20 | 17 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 469140 | 169540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00427 | 5 | M25 | Slight | 2 | 1 | 6 | August | Sunday | 7 | 20 | 29 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507430 | 178150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00457 | 5 | M25 | Slight | 2 | 1 | 6 | August | Sunday | 13 | 15 | 53 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519290 | 178400 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00440 | 5 | M25 | Slight | 2 | 2 | 9 | August | Wednesday | 7 | 45 | 31 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517920 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00436 | 5 | M25 | Slight | 2 | 2 | 9 | August | Wednesday | 7 | 56 | 31 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505510 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Give way sign/marks | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00441 | 5 | M25 | Slight | 2 | 2 | 10 | August | Thursday | 9 | 40 | 38 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U029085 | 3 | South East | Slight | 1 | 1 | 10 | August | Thursday | 16 | 15 | 65 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 455060 | 173850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R040085 | 5 | M25 | Slight | 3 | 1 | 10 | August | Thursday | 16 | 30 | 66 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501310 | 178000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N046085 | 3 | South East | Slight | 2 | 1 | 11 | August | Friday | 14 | 0 | 56 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493390 | 180030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1995 | 43U031085 | 3 | South East | Slight | 1 | 2 | 11 | August | Friday | 14 | 35 | 58 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434360 | 173940 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U032085 | 3 | South East | Slight | 3 | 1 | 11 | August | Friday | 18 | 55 | 75 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 436870 | 172490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R056085 | 3 | South East | Slight | 1 | 1 | 13 | August | Sunday | 18 | 29 | 73 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481270 | 171970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00468 | 5 | M25 | Slight | 2 | 1 | 13 | August | Sunday | 20 | 45 | 83 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517780 | 178280 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R059085 | 3 | South East | Slight | 1 | 2 | 14 | August | Monday | 23 | 30 | 94 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486970 | 177400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00448 | 5 | M25 | Slight | 2 | 1 | 15 | August | Tuesday | 6 | 45 | 27 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510400 | 178290 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00455 | 5 | M25 | Slight | 2 | 1 | 15 | August | Tuesday | 7 | 10 | 28 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507440 | 178460 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Crossroads | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00685 | 3 | South East | Slight | 5 | 1 | 15 | August | Tuesday | 10 | 50 | 43 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 422900 | 180600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00450 | 5 | M25 | Serious | 2 | 2 | 15 | August | Tuesday | 13 | 25 | 53 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505040 | 178400 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00695 | 3 | South East | Slight | 2 | 1 | 16 | August | Wednesday | 9 | 40 | 38 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428500 | 178200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00462 | 5 | M25 | Serious | 1 | 1 | 17 | August | Thursday | 21 | 0 | 84 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 504950 | 178380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Other junction | Junction | Unknown or Unavailable | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TD00501 | 5 | M25 | Slight | 2 | 1 | 17 | August | Thursday | 22 | 0 | 88 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510480 | 178290 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N084085 | 3 | South East | Slight | 2 | 1 | 18 | August | Friday | 1 | 16 | 5 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 491730 | 179710 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TD00517 | 5 | M25 | Slight | 2 | 1 | 18 | August | Friday | 23 | 50 | 95 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510510 | 178190 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01ID00060 | 5 | M25 | Slight | 2 | 1 | 19 | August | Saturday | 15 | 0 | 60 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | A4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507740 | 176960 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Auto traffic signal | A | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U059085 | 3 | South East | Slight | 2 | 1 | 19 | August | Saturday | 18 | 5 | 72 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 438500 | 172170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R080085 | 3 | South East | Slight | 2 | 1 | 20 | August | Sunday | 2 | 12 | 8 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464350 | 172580 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00466 | 5 | M25 | Slight | 2 | 1 | 21 | August | Monday | 13 | 45 | 55 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507430 | 178470 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U072085 | 3 | South East | Slight | 2 | 3 | 21 | August | Monday | 14 | 50 | 59 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 462410 | 173810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R078085 | 3 | South East | Slight | 2 | 1 | 21 | August | Monday | 22 | 20 | 89 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487920 | 178100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1995 | 01XH00747 | 5 | M25 | Slight | 2 | 1 | 23 | August | Wednesday | 12 | 15 | 49 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178720 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | A | 408 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R088085 | 3 | South East | Slight | 1 | 2 | 24 | August | Thursday | 14 | 10 | 56 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 475210 | 169480 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00472 | 5 | M25 | Serious | 2 | 1 | 25 | August | Friday | 6 | 47 | 27 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505430 | 178370 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R097085 | 3 | South East | Slight | 2 | 2 | 26 | August | Saturday | 8 | 40 | 34 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467110 | 169970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U085085 | 3 | South East | Slight | 2 | 1 | 27 | August | Sunday | 14 | 30 | 58 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 435730 | 172960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine and high winds | Fine | Dry | None | None |
| 1995 | 43R103085 | 3 | South East | Slight | 1 | 1 | 28 | August | Monday | 3 | 55 | 15 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 477560 | 170110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00470 | 5 | M25 | Slight | 2 | 2 | 28 | August | Monday | 18 | 10 | 72 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510550 | 178130 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | T, Y or staggered junction | Junction | Unknown or Unavailable | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R115085 | 5 | M25 | Slight | 1 | 1 | 29 | August | Tuesday | 17 | 30 | 70 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 504350 | 178520 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00480 | 5 | M25 | Slight | 2 | 1 | 30 | August | Wednesday | 8 | 50 | 35 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518730 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00478 | 5 | M25 | Slight | 2 | 1 | 1 | September | Friday | 10 | 20 | 41 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510410 | 178150 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R005095 | 3 | South East | Slight | 1 | 2 | 2 | September | Saturday | 8 | 40 | 34 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497630 | 179000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 43R004095 | 5 | M25 | Slight | 2 | 2 | 2 | September | Saturday | 12 | 35 | 50 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501030 | 177880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 54MB00795 | 3 | South East | Slight | 2 | 1 | 2 | September | Saturday | 13 | 52 | 55 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423800 | 180000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R011095 | 3 | South East | Slight | 2 | 1 | 2 | September | Saturday | 22 | 22 | 89 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486220 | 176820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U002095 | 3 | South East | Slight | 1 | 1 | 3 | September | Sunday | 12 | 5 | 48 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 433200 | 174720 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R015095 | 3 | South East | Slight | 2 | 1 | 4 | September | Monday | 19 | 55 | 79 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471050 | 168920 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00536 | 5 | M25 | Slight | 2 | 1 | 5 | September | Tuesday | 13 | 40 | 54 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178620 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R019095 | 3 | South East | Slight | 2 | 1 | 5 | September | Tuesday | 17 | 30 | 70 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 492510 | 179950 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R021095 | 5 | M25 | Slight | 2 | 1 | 6 | September | Wednesday | 1 | 10 | 4 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503090 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00487 | 5 | M25 | Slight | 2 | 1 | 6 | September | Wednesday | 8 | 35 | 34 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178630 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00488 | 5 | M25 | Slight | 2 | 1 | 6 | September | Wednesday | 17 | 35 | 70 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 510150 | 178270 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01XH00799 | 5 | M25 | Slight | 2 | 1 | 7 | September | Thursday | 7 | 5 | 28 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unclassified0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507570 | 176950 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00755 | 3 | South East | Slight | 4 | 1 | 7 | September | Thursday | 15 | 21 | 61 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423100 | 180500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R031095 | 3 | South East | Slight | 2 | 2 | 7 | September | Thursday | 18 | 40 | 74 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496280 | 179060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining and high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00490 | 5 | M25 | Slight | 3 | 3 | 8 | September | Friday | 10 | 44 | 42 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177220 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00765 | 3 | South East | Serious | 2 | 3 | 9 | September | Saturday | 9 | 0 | 36 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423600 | 180100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00775 | 3 | South East | Slight | 2 | 1 | 9 | September | Saturday | 10 | 15 | 41 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 429100 | 177400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R085095 | 3 | South East | Slight | 2 | 3 | 11 | September | Monday | 18 | 16 | 73 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493580 | 179970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R069095 | 3 | South East | Slight | 3 | 2 | 11 | September | Monday | 19 | 0 | 76 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500500 | 177600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R061095 | 3 | South East | Slight | 1 | 1 | 12 | September | Tuesday | 22 | 5 | 88 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 476390 | 169770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43U050095 | 3 | South East | Slight | 2 | 1 | 13 | September | Wednesday | 12 | 30 | 50 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 456890 | 173770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R068095 | 3 | South East | Slight | 2 | 2 | 14 | September | Thursday | 15 | 40 | 62 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 466350 | 170410 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01XH00814 | 5 | M25 | Slight | 2 | 1 | 15 | September | Friday | 7 | 50 | 31 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510410 | 178280 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U073095 | 3 | South East | Slight | 2 | 1 | 15 | September | Friday | 11 | 59 | 47 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 438810 | 172160 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43N102095 | 3 | South East | Slight | 2 | 1 | 15 | September | Friday | 21 | 40 | 86 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | M4 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493260 | 180020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00496 | 5 | M25 | Slight | 2 | 1 | 16 | September | Saturday | 9 | 15 | 37 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507600 | 178570 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N092095 | 3 | South East | Slight | 1 | 1 | 16 | September | Saturday | 19 | 35 | 78 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | M4 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493490 | 180030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43U071095 | 3 | South East | Slight | 3 | 2 | 17 | September | Sunday | 20 | 0 | 80 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | M4 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 430490 | 176240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R089095 | 3 | South East | Slight | 1 | 1 | 17 | September | Sunday | 21 | 5 | 84 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483050 | 173260 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00498 | 5 | M25 | Slight | 2 | 1 | 18 | September | Monday | 7 | 40 | 30 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512540 | 177850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00505 | 5 | M25 | Slight | 2 | 1 | 19 | September | Tuesday | 13 | 49 | 55 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178620 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R107095 | 3 | South East | Slight | 3 | 2 | 20 | September | Wednesday | 8 | 20 | 33 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479410 | 170570 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U083095 | 3 | South East | Slight | 2 | 1 | 20 | September | Wednesday | 11 | 20 | 45 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 455340 | 173710 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 01TC00518 | 5 | M25 | Slight | 2 | 1 | 21 | September | Thursday | 8 | 55 | 35 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518740 | 178370 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00526 | 5 | M25 | Slight | 2 | 1 | 21 | September | Thursday | 9 | 0 | 36 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510390 | 178270 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00805 | 3 | South East | Slight | 2 | 2 | 21 | September | Thursday | 10 | 27 | 41 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 427000 | 179000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00513 | 5 | M25 | Slight | 2 | 2 | 21 | September | Thursday | 11 | 0 | 44 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 514020 | 178400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R114095 | 3 | South East | Slight | 3 | 2 | 21 | September | Thursday | 17 | 55 | 71 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497120 | 179070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R125095 | 3 | South East | Slight | 3 | 2 | 22 | September | Friday | 17 | 35 | 70 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498160 | 178540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00520 | 5 | M25 | Slight | 4 | 3 | 23 | September | Saturday | 6 | 20 | 25 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178620 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R127095 | 3 | South East | Slight | 3 | 2 | 23 | September | Saturday | 13 | 15 | 53 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Bracknell Forest | Berkshire | 485220 | 175020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00516 | 5 | M25 | Slight | 2 | 1 | 24 | September | Sunday | 8 | 5 | 32 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507700 | 178560 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00515 | 5 | M25 | Slight | 3 | 1 | 24 | September | Sunday | 9 | 40 | 38 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507400 | 178590 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R130095 | 5 | M25 | Slight | 3 | 2 | 24 | September | Sunday | 14 | 33 | 58 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503280 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00517 | 5 | M25 | Slight | 2 | 1 | 24 | September | Sunday | 17 | 5 | 68 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178630 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R131095 | 5 | M25 | Slight | 2 | 1 | 24 | September | Sunday | 18 | 47 | 75 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502890 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R169095 | 5 | M25 | Slight | 3 | 1 | 25 | September | Monday | 10 | 40 | 42 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502980 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N171095 | 5 | M25 | Slight | 1 | 1 | 25 | September | Monday | 10 | 49 | 43 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | M4 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 504450 | 178700 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MB00815 | 3 | South East | Serious | 2 | 1 | 25 | September | Monday | 21 | 20 | 85 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428400 | 178400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine and high winds | Fine | Wet or damp | None | None |
| 1995 | 43R122095 | 5 | M25 | Serious | 3 | 2 | 26 | September | Tuesday | 16 | 25 | 65 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503660 | 178260 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00524 | 5 | M25 | Slight | 2 | 1 | 27 | September | Wednesday | 20 | 30 | 82 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518140 | 178350 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | Involvement with previous accident |
| 1995 | 43R163095 | 3 | South East | Serious | 2 | 3 | 28 | September | Thursday | 19 | 50 | 79 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 484320 | 174250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00530 | 5 | M25 | Slight | 2 | 1 | 29 | September | Friday | 8 | 20 | 33 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 513200 | 177990 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R154095 | 3 | South East | Slight | 10 | 1 | 29 | September | Friday | 16 | 15 | 65 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497130 | 179070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N163095 | 3 | South East | Slight | 2 | 1 | 29 | September | Friday | 16 | 30 | 66 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 491730 | 179740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R160095 | 3 | South East | Serious | 2 | 1 | 29 | September | Friday | 18 | 0 | 72 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487910 | 178110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R158095 | 3 | South East | Serious | 1 | 1 | 30 | September | Saturday | 1 | 15 | 5 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497230 | 179070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N002105 | 3 | South East | Slight | 1 | 1 | 1 | October | Sunday | 2 | 16 | 9 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 492900 | 180040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00545 | 5 | M25 | Serious | 1 | 4 | 2 | October | Monday | 21 | 5 | 84 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unclassified0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507900 | 178490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R065105 | 3 | South East | Slight | 2 | 1 | 3 | October | Tuesday | 8 | 5 | 32 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 482050 | 172590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01ID00068 | 5 | M25 | Slight | 2 | 4 | 3 | October | Tuesday | 14 | 45 | 59 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507570 | 176910 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 40 | T, Y or staggered junction | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R008105 | 3 | South East | Slight | 3 | 2 | 4 | October | Wednesday | 6 | 50 | 27 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497260 | 179080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining and high winds | Raining | Wet or damp | None | None |
| 1995 | 54MB00845 | 3 | South East | Slight | 1 | 1 | 4 | October | Wednesday | 13 | 32 | 54 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423800 | 180000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00534 | 5 | M25 | Slight | 1 | 1 | 4 | October | Wednesday | 15 | 25 | 61 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518900 | 178460 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R011105 | 3 | South East | Slight | 4 | 1 | 5 | October | Thursday | 18 | 55 | 75 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495950 | 179220 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 54MA00865 | 3 | South East | Slight | 1 | 1 | 8 | October | Sunday | 5 | 15 | 21 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423000 | 180500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights unlit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01XH00902 | 5 | M25 | Slight | 2 | 1 | 8 | October | Sunday | 12 | 30 | 50 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 178810 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Auto traffic signal | A | 408 | None within 50 metres | Pedestrian phase at traffic signal juction | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R028105 | 3 | South East | Slight | 5 | 1 | 8 | October | Sunday | 17 | 40 | 70 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 492030 | 179820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01XH00936 | 5 | M25 | Slight | 2 | 1 | 10 | October | Tuesday | 15 | 55 | 63 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 178760 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | A | 408 | None within 50 metres | Pedestrian phase at traffic signal juction | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N120105 | 3 | South East | Serious | 1 | 1 | 11 | October | Wednesday | 22 | 23 | 89 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493300 | 179850 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U035105 | 3 | South East | Slight | 2 | 2 | 13 | October | Friday | 1 | 30 | 6 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 432340 | 175010 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 54MA00905 | 3 | South East | Slight | 1 | 1 | 13 | October | Friday | 10 | 55 | 43 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 427900 | 178800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U046105 | 3 | South East | Slight | 1 | 1 | 14 | October | Saturday | 15 | 15 | 61 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 430050 | 176430 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R067105 | 3 | South East | Slight | 2 | 1 | 16 | October | Monday | 7 | 20 | 29 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479530 | 170710 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00562 | 5 | M25 | Serious | 1 | 2 | 16 | October | Monday | 21 | 10 | 84 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518280 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Uncontrolled | A | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Unknown or Unavailable | Unknown | Dry | None | None |
| 1995 | 01TC00558 | 5 | M25 | Slight | 3 | 1 | 17 | October | Tuesday | 7 | 50 | 31 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507460 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Unknown or Unavailable | Unknown | Dry | None | None |
| 1995 | 54MA00875 | 3 | South East | Slight | 2 | 1 | 18 | October | Wednesday | 9 | 41 | 38 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 427500 | 178800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00561 | 5 | M25 | Slight | 3 | 1 | 18 | October | Wednesday | 9 | 45 | 39 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 516510 | 178320 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Unknown or Unavailable | Unknown | Dry | None | None |
| 1995 | 43R078105 | 3 | South East | Slight | 2 | 1 | 18 | October | Wednesday | 14 | 30 | 58 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 472380 | 168590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R086105 | 3 | South East | Slight | 4 | 1 | 19 | October | Thursday | 7 | 0 | 28 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487790 | 177960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R082105 | 3 | South East | Slight | 3 | 1 | 19 | October | Thursday | 9 | 20 | 37 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498040 | 178720 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R116105 | 3 | South East | Slight | 1 | 2 | 20 | October | Friday | 8 | 15 | 33 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487930 | 178080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R097105 | 3 | South East | Serious | 2 | 1 | 20 | October | Friday | 17 | 9 | 68 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487920 | 178090 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | Roadworks | None |
| 1995 | 43R100105 | 5 | M25 | Slight | 3 | 1 | 20 | October | Friday | 17 | 55 | 71 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | M4 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501500 | 178020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights unlit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R104105 | 3 | South East | Slight | 3 | 1 | 22 | October | Sunday | 17 | 0 | 68 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493250 | 180060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U073105 | 3 | South East | Slight | 2 | 1 | 23 | October | Monday | 17 | 55 | 71 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 429890 | 176500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00567 | 5 | M25 | Serious | 1 | 1 | 23 | October | Monday | 23 | 0 | 92 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518280 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Uncontrolled | A | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Unknown or Unavailable | Unknown | Dry | None | None |
| 1995 | 43N146105 | 3 | South East | Slight | 2 | 1 | 24 | October | Tuesday | 17 | 25 | 69 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494200 | 179700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Unknown or Unavailable | Unknown | Unknown or Unavailable | None | None |
| 1995 | 43R113105 | 3 | South East | Slight | 4 | 3 | 25 | October | Wednesday | 8 | 45 | 35 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471050 | 168920 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R117105 | 3 | South East | Slight | 4 | 3 | 25 | October | Wednesday | 19 | 52 | 79 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495390 | 179380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R125105 | 3 | South East | Slight | 2 | 1 | 26 | October | Thursday | 5 | 30 | 22 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497460 | 179040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00574 | 5 | M25 | Slight | 2 | 2 | 26 | October | Thursday | 19 | 25 | 77 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177260 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Unknown or Unavailable | Unknown | Dry | None | None |
| 1995 | 43R157105 | 3 | South East | Slight | 2 | 1 | 27 | October | Friday | 13 | 30 | 54 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495500 | 179360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00579 | 5 | M25 | Slight | 1 | 1 | 28 | October | Saturday | 23 | 5 | 92 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506980 | 178540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Unknown or Unavailable | Unknown | Dry | None | None |
| 1995 | 43R139105 | 3 | South East | Slight | 1 | 1 | 29 | October | Sunday | 4 | 20 | 17 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464560 | 172100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | Other animal or pedestrian in carriageway |
| 1995 | 01TC00578 | 5 | M25 | Slight | 3 | 3 | 29 | October | Sunday | 14 | 10 | 56 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177260 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Unknown or Unavailable | Unknown | Dry | None | None |
| 1995 | 43U089105 | 3 | South East | Slight | 1 | 1 | 29 | October | Sunday | 15 | 54 | 63 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 455900 | 173590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00581 | 5 | M25 | Slight | 2 | 1 | 30 | October | Monday | 9 | 0 | 36 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177260 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R001115 | 3 | South East | Slight | 2 | 1 | 1 | November | Wednesday | 19 | 5 | 76 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496630 | 179040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | Roadworks | Dislodged vehicle load in carriageway |
| 1995 | 54MB00915 | 3 | South East | Slight | 1 | 1 | 2 | November | Thursday | 9 | 22 | 37 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 424700 | 179800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00594 | 5 | M25 | Slight | 2 | 2 | 3 | November | Friday | 13 | 45 | 55 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177140 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00592 | 5 | M25 | Slight | 2 | 1 | 3 | November | Friday | 18 | 0 | 72 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518460 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | A | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R022115 | 3 | South East | Slight | 3 | 1 | 4 | November | Saturday | 10 | 35 | 42 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494910 | 179530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R021115 | 3 | South East | Slight | 1 | 1 | 4 | November | Saturday | 18 | 45 | 75 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479700 | 170870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R039115 | 5 | M25 | Slight | 2 | 2 | 5 | November | Sunday | 6 | 10 | 24 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | M4 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501700 | 178100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00597 | 5 | M25 | Slight | 1 | 1 | 6 | November | Monday | 7 | 30 | 30 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507400 | 178500 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00606 | 5 | M25 | Slight | 3 | 1 | 6 | November | Monday | 7 | 50 | 31 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519400 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43U020115 | 3 | South East | Slight | 2 | 1 | 6 | November | Monday | 10 | 0 | 40 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 460940 | 173740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00598 | 5 | M25 | Slight | 3 | 1 | 6 | November | Monday | 11 | 10 | 44 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43N024115 | 3 | South East | Slight | 3 | 3 | 6 | November | Monday | 11 | 55 | 47 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493580 | 179970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R029115 | 3 | South East | Slight | 3 | 1 | 6 | November | Monday | 12 | 45 | 51 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498270 | 178400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R032115 | 3 | South East | Slight | 3 | 1 | 7 | November | Tuesday | 10 | 15 | 41 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489900 | 178630 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 01TC00612 | 5 | M25 | Serious | 2 | 1 | 8 | November | Wednesday | 7 | 58 | 31 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 511720 | 177800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R078115 | 3 | South East | Slight | 2 | 1 | 9 | November | Thursday | 17 | 50 | 71 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496700 | 179040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | Roadworks | None |
| 1995 | 43R060115 | 3 | South East | Serious | 4 | 2 | 9 | November | Thursday | 20 | 11 | 80 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490500 | 178860 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R048115 | 5 | M25 | Slight | 2 | 1 | 10 | November | Friday | 1 | 51 | 7 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502800 | 178150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R049115 | 3 | South East | Serious | 1 | 1 | 10 | November | Friday | 4 | 39 | 18 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470800 | 169100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R055115 | 3 | South East | Slight | 4 | 2 | 11 | November | Saturday | 12 | 50 | 51 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495200 | 179430 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R079115 | 3 | South East | Slight | 4 | 1 | 11 | November | Saturday | 14 | 30 | 58 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490810 | 179100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43U035115 | 3 | South East | Slight | 1 | 1 | 12 | November | Sunday | 4 | 30 | 18 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 432720 | 174870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R057115 | 3 | South East | Slight | 3 | 2 | 12 | November | Sunday | 16 | 20 | 65 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495600 | 179640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Unknown or Unavailable | Unknown | Unknown or Unavailable | Roadworks | None |
| 1995 | 43R067115 | 3 | South East | Slight | 4 | 1 | 12 | November | Sunday | 16 | 49 | 67 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496340 | 179070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R108115 | 3 | South East | Slight | 2 | 1 | 13 | November | Monday | 8 | 30 | 34 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465400 | 171290 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 43N096115 | 3 | South East | Slight | 2 | 1 | 13 | November | Monday | 18 | 30 | 74 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 492310 | 179890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R091115 | 3 | South East | Slight | 4 | 1 | 15 | November | Wednesday | 14 | 55 | 59 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494350 | 179740 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43N099115 | 3 | South East | Slight | 3 | 1 | 15 | November | Wednesday | 19 | 50 | 79 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493100 | 180060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1995 | 43R097115 | 3 | South East | Serious | 4 | 3 | 16 | November | Thursday | 19 | 48 | 79 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495960 | 179170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43R115115 | 3 | South East | Slight | 3 | 1 | 17 | November | Friday | 18 | 0 | 72 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | M4 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 500870 | 177820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R102115 | 3 | South East | Slight | 1 | 1 | 17 | November | Friday | 23 | 19 | 93 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481510 | 172120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Frost or ice | None | None |
| 1995 | 43U069115 | 3 | South East | Slight | 2 | 1 | 18 | November | Saturday | 19 | 14 | 76 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | M4 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 435740 | 172940 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA00975 | 3 | South East | Serious | 2 | 1 | 18 | November | Saturday | 19 | 26 | 77 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428800 | 178000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R122115 | 3 | South East | Slight | 1 | 2 | 19 | November | Sunday | 9 | 24 | 37 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487220 | 177520 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R123115 | 3 | South East | Slight | 1 | 1 | 20 | November | Monday | 10 | 0 | 40 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496680 | 179050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R133115 | 3 | South East | Slight | 2 | 2 | 20 | November | Monday | 17 | 25 | 69 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494620 | 179620 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1995 | 43R141115 | 3 | South East | Slight | 3 | 1 | 20 | November | Monday | 18 | 15 | 73 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496290 | 179060 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R135115 | 3 | South East | Slight | 1 | 1 | 21 | November | Tuesday | 13 | 4 | 52 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486400 | 176970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R155115 | 3 | South East | Slight | 3 | 1 | 22 | November | Wednesday | 16 | 45 | 67 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498200 | 178400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 01ID00081 | 5 | M25 | Slight | 1 | 1 | 23 | November | Thursday | 3 | 20 | 13 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507600 | 176900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Other junction | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R142115 | 3 | South East | Slight | 2 | 1 | 23 | November | Thursday | 11 | 10 | 44 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495890 | 179210 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1995 | 43U100115 | 3 | South East | Slight | 2 | 1 | 25 | November | Saturday | 8 | 15 | 33 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 445630 | 173170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 01TC00636 | 5 | M25 | Serious | 2 | 1 | 25 | November | Saturday | 13 | 0 | 52 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unclassified0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518190 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R151115 | 3 | South East | Slight | 2 | 1 | 26 | November | Sunday | 8 | 41 | 34 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | Unknown or Unavailable0 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494620 | 177620 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | Roadworks | Other object in carriageway |
| 1995 | 43U110115 | 3 | South East | Slight | 2 | 4 | 26 | November | Sunday | 20 | 20 | 81 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447990 | 172850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43U116115 | 3 | South East | Slight | 2 | 2 | 27 | November | Monday | 17 | 20 | 69 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 448970 | 173120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00644 | 5 | M25 | Serious | 6 | 4 | 28 | November | Tuesday | 9 | 55 | 39 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518740 | 178370 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01XH01091 | 5 | M25 | Slight | 2 | 1 | 28 | November | Tuesday | 10 | 5 | 40 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178620 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00645 | 5 | M25 | Slight | 1 | 1 | 28 | November | Tuesday | 10 | 20 | 41 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unclassified0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518630 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | T, Y or staggered junction | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43N029125 | 3 | South East | Slight | 1 | 1 | 2 | December | Saturday | 14 | 23 | 57 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493400 | 180030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Other | Other | Wet or damp | None | None |
| 1995 | 43R005125 | 3 | South East | Slight | 2 | 1 | 2 | December | Saturday | 17 | 20 | 69 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496440 | 179050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | Roadworks | None |
| 1995 | 01TC00654 | 5 | M25 | Fatal | 2 | 4 | 3 | December | Sunday | 2 | 20 | 9 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517390 | 178070 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | Dislodged vehicle load in carriageway |
| 1995 | 43U007125 | 3 | South East | Slight | 2 | 1 | 3 | December | Sunday | 3 | 30 | 14 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unclassified0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 448200 | 172850 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Private drive or entrance | Junction | Auto traffic signal | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R009125 | 3 | South East | Slight | 2 | 3 | 3 | December | Sunday | 11 | 45 | 47 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498210 | 178460 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Other | Other | Wet or damp | Roadworks | None |
| 1995 | 43R002125 | 3 | South East | Slight | 3 | 1 | 3 | December | Sunday | 12 | 50 | 51 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494150 | 179780 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1995 | 43R023125 | 3 | South East | Serious | 1 | 2 | 3 | December | Sunday | 23 | 9 | 92 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490420 | 178810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Flood over 3cm. Deep | None | None |
| 1995 | 43R020125 | 3 | South East | Slight | 4 | 2 | 4 | December | Monday | 7 | 40 | 30 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488000 | 178150 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01XH01138 | 5 | M25 | Slight | 2 | 1 | 4 | December | Monday | 15 | 2 | 60 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507470 | 178820 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Auto traffic signal | A | 408 | None within 50 metres | Pedestrian phase at traffic signal juction | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R019125 | 3 | South East | Slight | 3 | 2 | 5 | December | Tuesday | 8 | 24 | 33 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471070 | 168940 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Snowing no high winds | Snowing | Wet or damp | None | None |
| 1995 | 01TC00660 | 5 | M25 | Slight | 2 | 2 | 5 | December | Tuesday | 10 | 21 | 41 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517090 | 178050 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Snowing no high winds | Snowing | Snow | None | Involvement with previous accident |
| 1995 | 01TC00659 | 5 | M25 | Slight | 1 | 1 | 5 | December | Tuesday | 22 | 20 | 89 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | M4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518270 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Snowing no high winds | Snowing | Snow | None | None |
| 1995 | 01TC00679 | 5 | M25 | Slight | 2 | 1 | 6 | December | Wednesday | 3 | 30 | 14 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509240 | 178350 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00671 | 5 | M25 | Slight | 2 | 1 | 6 | December | Wednesday | 3 | 45 | 15 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509240 | 178350 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01XH01134 | 5 | M25 | Slight | 2 | 1 | 6 | December | Wednesday | 10 | 45 | 43 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507460 | 178810 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | A | 408 | None within 50 metres | Pedestrian phase at traffic signal juction | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 54MB01065 | 3 | South East | Slight | 1 | 1 | 6 | December | Wednesday | 15 | 36 | 62 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 424600 | 179700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA01075 | 3 | South East | Slight | 3 | 2 | 6 | December | Wednesday | 17 | 54 | 71 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 429200 | 177200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Snowing no high winds | Snowing | Frost or ice | None | None |
| 1995 | 43R036125 | 3 | South East | Slight | 3 | 2 | 7 | December | Thursday | 10 | 40 | 42 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496930 | 179050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1995 | 43R046125 | 3 | South East | Slight | 3 | 2 | 7 | December | Thursday | 19 | 43 | 78 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485950 | 176350 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Snowing no high winds | Snowing | Wet or damp | None | None |
| 1995 | 01TC00663 | 5 | M25 | Slight | 3 | 2 | 8 | December | Friday | 18 | 18 | 73 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unclassified0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 510110 | 178290 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R119125 | 3 | South East | Slight | 2 | 1 | 10 | December | Sunday | 16 | 0 | 64 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490050 | 178660 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fog or mist | Fog or mist | Wet or damp | Roadworks | None |
| 1995 | 43R054125 | 3 | South East | Slight | 2 | 1 | 10 | December | Sunday | 19 | 10 | 76 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | M4 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489110 | 178640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1995 | 43U038125 | 3 | South East | Slight | 2 | 1 | 11 | December | Monday | 8 | 40 | 34 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 456590 | 173590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1995 | 01XH01154 | 5 | M25 | Slight | 2 | 1 | 11 | December | Monday | 10 | 12 | 40 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507470 | 178820 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Auto traffic signal | A | 408 | None within 50 metres | Pedestrian phase at traffic signal juction | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 01TC00696 | 5 | M25 | Slight | 3 | 1 | 12 | December | Tuesday | 12 | 37 | 50 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505220 | 178340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R082125 | 3 | South East | Slight | 5 | 3 | 12 | December | Tuesday | 18 | 25 | 73 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465690 | 171090 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43U049125 | 3 | South East | Slight | 3 | 1 | 13 | December | Wednesday | 5 | 30 | 22 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 430040 | 176020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 43R083125 | 3 | South East | Slight | 3 | 2 | 13 | December | Wednesday | 19 | 0 | 76 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496650 | 179040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R100125 | 3 | South East | Slight | 1 | 1 | 15 | December | Friday | 2 | 20 | 9 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 468630 | 169610 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R107125 | 3 | South East | Slight | 2 | 1 | 15 | December | Friday | 16 | 20 | 65 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497720 | 178960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00688 | 5 | M25 | Slight | 2 | 2 | 19 | December | Tuesday | 19 | 35 | 78 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506300 | 178480 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00690 | 5 | M25 | Serious | 1 | 1 | 20 | December | Wednesday | 11 | 40 | 46 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507550 | 177320 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00691 | 5 | M25 | Slight | 3 | 1 | 20 | December | Wednesday | 19 | 27 | 77 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507720 | 178540 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights unlit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1995 | 43R139125 | 3 | South East | Slight | 1 | 1 | 22 | December | Friday | 12 | 10 | 48 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 477560 | 170130 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1995 | 43R164125 | 3 | South East | Slight | 3 | 2 | 23 | December | Saturday | 8 | 0 | 32 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496310 | 179080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 01TC00699 | 5 | M25 | Slight | 3 | 3 | 23 | December | Saturday | 14 | 16 | 57 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508450 | 178430 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 01TC00698 | 5 | M25 | Slight | 3 | 1 | 23 | December | Saturday | 15 | 35 | 62 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | M4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518490 | 178280 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1995 | 54MB01135 | 3 | South East | Slight | 1 | 1 | 28 | December | Thursday | 12 | 40 | 50 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 427800 | 178700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1995 | 54MA01145 | 3 | South East | Slight | 2 | 1 | 29 | December | Friday | 5 | 0 | 20 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 429300 | 177000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Frost or ice | None | None |
| 1995 | 43U101125 | 3 | South East | Slight | 1 | 1 | 30 | December | Saturday | 10 | 28 | 41 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 450520 | 174240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Frost or ice | None | None |
| 1995 | 43U097125 | 3 | South East | Slight | 2 | 1 | 30 | December | Saturday | 19 | 20 | 77 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 463520 | 173420 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U003016 | 3 | South East | Serious | 5 | 3 | 1 | January | Monday | 19 | 8 | 76 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 435400 | 173110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1996 | 43U007016 | 3 | South East | Slight | 3 | 1 | 1 | January | Monday | 21 | 0 | 84 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 431990 | 175200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fog or mist | Fog or mist | Wet or damp | None | Involvement with previous accident |
| 1996 | 43R004016 | 3 | South East | Slight | 4 | 2 | 2 | January | Tuesday | 18 | 13 | 72 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 482460 | 172870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U008016 | 3 | South East | Slight | 1 | 1 | 3 | January | Wednesday | 10 | 30 | 42 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464580 | 172110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R010016 | 3 | South East | Slight | 1 | 1 | 3 | January | Wednesday | 14 | 56 | 59 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485280 | 175100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00006 | 5 | M25 | Slight | 2 | 1 | 4 | January | Thursday | 17 | 40 | 70 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 177630 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U011016 | 3 | South East | Slight | 3 | 1 | 5 | January | Friday | 8 | 30 | 34 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471290 | 168810 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U066016 | 3 | South East | Slight | 2 | 1 | 5 | January | Friday | 16 | 30 | 66 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 462800 | 173740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00010 | 5 | M25 | Slight | 1 | 1 | 6 | January | Saturday | 11 | 10 | 44 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510510 | 178200 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00007 | 5 | M25 | Slight | 3 | 3 | 6 | January | Saturday | 13 | 32 | 54 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 177140 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U022016 | 3 | South East | Slight | 2 | 1 | 8 | January | Monday | 8 | 10 | 32 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 436960 | 172460 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining and high winds | Raining | Wet or damp | None | None |
| 1996 | 43R024016 | 3 | South East | Slight | 3 | 1 | 8 | January | Monday | 8 | 10 | 32 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489190 | 178610 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1996 | 01TC00034 | 5 | M25 | Slight | 2 | 1 | 8 | January | Monday | 11 | 15 | 45 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 511200 | 177980 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R028016 | 3 | South East | Slight | 2 | 1 | 8 | January | Monday | 18 | 45 | 75 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496480 | 179040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00025 | 5 | M25 | Slight | 2 | 1 | 9 | January | Tuesday | 23 | 2 | 92 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518230 | 178300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 54MB00026 | 3 | South East | Slight | 3 | 1 | 12 | January | Friday | 18 | 10 | 72 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423700 | 180000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R044016 | 3 | South East | Slight | 7 | 4 | 14 | January | Sunday | 9 | 30 | 38 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490530 | 178840 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 43N060016 | 3 | South East | Slight | 3 | 3 | 14 | January | Sunday | 16 | 35 | 66 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493490 | 179990 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 43U032016 | 3 | South East | Slight | 1 | 3 | 15 | January | Monday | 1 | 30 | 6 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 460240 | 173740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1996 | 43N061016 | 3 | South East | Slight | 1 | 1 | 15 | January | Monday | 2 | 50 | 11 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | M4 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493240 | 180020 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U033016 | 3 | South East | Slight | 1 | 1 | 15 | January | Monday | 16 | 6 | 64 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 458550 | 173810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00033 | 5 | M25 | Slight | 2 | 1 | 16 | January | Tuesday | 5 | 40 | 22 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 178080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1996 | 01TC00042 | 5 | M25 | Slight | 2 | 1 | 16 | January | Tuesday | 8 | 0 | 32 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506340 | 178490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R051016 | 3 | South East | Slight | 4 | 1 | 16 | January | Tuesday | 8 | 3 | 32 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487920 | 178100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fog or mist | Fog or mist | Dry | Roadworks | None |
| 1996 | 43R060016 | 3 | South East | Slight | 2 | 1 | 17 | January | Wednesday | 9 | 7 | 36 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | M4 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488350 | 178440 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 43U050016 | 3 | South East | Slight | 1 | 1 | 17 | January | Wednesday | 21 | 52 | 87 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 442230 | 172630 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R068016 | 5 | M25 | Slight | 3 | 1 | 19 | January | Friday | 12 | 50 | 51 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501310 | 178100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01ID00013 | 5 | M25 | Slight | 2 | 1 | 21 | January | Sunday | 18 | 40 | 74 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507560 | 177020 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Other junction | Junction | Unknown or Unavailable | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R097016 | 3 | South East | Slight | 3 | 1 | 21 | January | Sunday | 18 | 40 | 74 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 491190 | 179370 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Unknown or Unavailable | Unknown | Unknown or Unavailable | Roadworks | None |
| 1996 | 01TC00048 | 5 | M25 | Serious | 3 | 2 | 23 | January | Tuesday | 5 | 58 | 23 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 177140 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R089016 | 3 | South East | Slight | 2 | 1 | 24 | January | Wednesday | 16 | 50 | 67 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497120 | 179050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine and high winds | Fine | Dry | None | None |
| 1996 | 43R093016 | 5 | M25 | Serious | 1 | 1 | 24 | January | Wednesday | 19 | 52 | 79 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503670 | 178250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine and high winds | Fine | Dry | None | Other object in carriageway |
| 1996 | 01TC00045 | 5 | M25 | Slight | 2 | 1 | 26 | January | Friday | 11 | 45 | 47 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507510 | 177040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R100016 | 3 | South East | Serious | 3 | 1 | 26 | January | Friday | 20 | 10 | 80 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465850 | 170960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Snowing and high winds | Snowing | Frost or ice | None | None |
| 1996 | 01ID00016 | 5 | M25 | Slight | 2 | 1 | 27 | January | Saturday | 6 | 15 | 25 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507510 | 177040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Other junction | Junction | Unknown or Unavailable | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Snowing no high winds | Snowing | Snow | None | None |
| 1996 | 43R103016 | 3 | South East | Slight | 1 | 1 | 27 | January | Saturday | 10 | 10 | 40 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 477960 | 170070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Snowing no high winds | Snowing | Frost or ice | None | None |
| 1996 | 43U094016 | 3 | South East | Slight | 1 | 1 | 28 | January | Sunday | 17 | 40 | 70 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465020 | 171540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00054 | 5 | M25 | Slight | 2 | 1 | 29 | January | Monday | 9 | 10 | 36 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510420 | 178110 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U003026 | 3 | South East | Slight | 1 | 1 | 1 | February | Thursday | 8 | 0 | 32 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 442310 | 172640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R016026 | 3 | South East | Slight | 2 | 1 | 1 | February | Thursday | 9 | 10 | 36 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 469640 | 169450 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U004026 | 3 | South East | Slight | 2 | 1 | 1 | February | Thursday | 19 | 41 | 78 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 450330 | 174180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1996 | 01TC00037 | 5 | M25 | Slight | 2 | 1 | 2 | February | Friday | 8 | 8 | 32 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518250 | 178330 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00059 | 5 | M25 | Slight | 3 | 1 | 2 | February | Friday | 8 | 55 | 35 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512530 | 177840 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00078 | 5 | M25 | Slight | 2 | 1 | 2 | February | Friday | 19 | 5 | 76 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 514110 | 178460 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00066 | 3 | South East | Slight | 1 | 1 | 3 | February | Saturday | 17 | 41 | 70 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428500 | 178300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U012026 | 3 | South East | Slight | 1 | 2 | 4 | February | Sunday | 11 | 0 | 44 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 436670 | 172560 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R075026 | 3 | South East | Slight | 4 | 1 | 9 | February | Friday | 14 | 2 | 56 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487300 | 177600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Raining no high winds | Raining | Wet or damp | Roadworks | None |
| 1996 | 43R039026 | 3 | South East | Slight | 2 | 1 | 9 | February | Friday | 15 | 11 | 60 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467290 | 169890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43N070026 | 3 | South East | Slight | 5 | 1 | 10 | February | Saturday | 17 | 40 | 70 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 492800 | 180000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1996 | 01XH00144 | 5 | M25 | Slight | 2 | 1 | 11 | February | Sunday | 9 | 35 | 38 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507550 | 177090 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R056026 | 3 | South East | Slight | 5 | 2 | 11 | February | Sunday | 17 | 51 | 71 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 491220 | 179410 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 43R054026 | 3 | South East | Fatal | 3 | 1 | 12 | February | Monday | 16 | 29 | 65 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490980 | 179240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 01TC00030 | 5 | M25 | Slight | 3 | 1 | 12 | February | Monday | 18 | 35 | 74 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506990 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00027 | 5 | M25 | Slight | 2 | 1 | 13 | February | Tuesday | 17 | 50 | 71 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506430 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00062 | 5 | M25 | Slight | 4 | 1 | 14 | February | Wednesday | 10 | 35 | 42 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518330 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R093026 | 3 | South East | Slight | 4 | 2 | 15 | February | Thursday | 13 | 0 | 52 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | M4 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488340 | 178380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 43U042026 | 3 | South East | Slight | 1 | 1 | 15 | February | Thursday | 15 | 42 | 62 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 451490 | 174190 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R126026 | 3 | South East | Slight | 2 | 2 | 18 | February | Sunday | 10 | 0 | 40 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489750 | 178590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 43R085026 | 3 | South East | Slight | 2 | 3 | 18 | February | Sunday | 12 | 30 | 50 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 468430 | 169580 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine and high winds | Fine | Dry | None | None |
| 1996 | 43R077026 | 3 | South East | Slight | 2 | 2 | 18 | February | Sunday | 12 | 40 | 50 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 491510 | 179650 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 01TC00074 | 5 | M25 | Slight | 1 | 1 | 19 | February | Monday | 6 | 26 | 25 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506370 | 178490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine and high winds | Fine | Dry | None | None |
| 1996 | 01TC00073 | 5 | M25 | Serious | 1 | 3 | 20 | February | Tuesday | 16 | 50 | 67 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unclassified0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 510070 | 178250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00083 | 5 | M25 | Slight | 3 | 1 | 20 | February | Tuesday | 17 | 0 | 68 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510780 | 178170 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00076 | 5 | M25 | Slight | 2 | 1 | 20 | February | Tuesday | 21 | 40 | 86 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507400 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00104 | 5 | M25 | Slight | 2 | 1 | 22 | February | Thursday | 17 | 50 | 71 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518250 | 178330 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00085 | 5 | M25 | Slight | 2 | 1 | 23 | February | Friday | 7 | 48 | 31 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 513640 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U078026 | 3 | South East | Slight | 1 | 1 | 26 | February | Monday | 21 | 10 | 84 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 452180 | 174040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U076026 | 3 | South East | Serious | 10 | 7 | 27 | February | Tuesday | 8 | 55 | 35 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 445340 | 173230 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fog or mist | Fog or mist | Dry | None | None |
| 1996 | 43U105026 | 3 | South East | Slight | 16 | 6 | 27 | February | Tuesday | 8 | 57 | 35 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 449280 | 173360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fog or mist | Fog or mist | Wet or damp | None | Involvement with previous accident |
| 1996 | 43U106026 | 3 | South East | Slight | 16 | 4 | 27 | February | Tuesday | 9 | 0 | 36 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 445340 | 173240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fog or mist | Fog or mist | Dry | None | Involvement with previous accident |
| 1996 | 43R130026 | 3 | South East | Slight | 2 | 1 | 27 | February | Tuesday | 21 | 15 | 85 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | M4 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500680 | 177690 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00196 | 5 | M25 | Slight | 2 | 1 | 28 | February | Wednesday | 17 | 35 | 70 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 178620 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R133026 | 3 | South East | Slight | 4 | 1 | 29 | February | Thursday | 8 | 15 | 33 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494350 | 179730 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00146 | 3 | South East | Slight | 2 | 1 | 1 | March | Friday | 6 | 14 | 24 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 429100 | 177400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R004036 | 3 | South East | Slight | 2 | 3 | 2 | March | Saturday | 13 | 0 | 52 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488400 | 178450 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1996 | 43R126036 | 5 | M25 | Slight | 1 | 1 | 7 | March | Thursday | 9 | 19 | 37 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503180 | 178150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R026036 | 3 | South East | Slight | 3 | 1 | 8 | March | Friday | 17 | 36 | 70 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471050 | 168930 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining and high winds | Raining | Wet or damp | None | None |
| 1996 | 01ID00030 | 5 | M25 | Slight | 2 | 1 | 12 | March | Tuesday | 14 | 40 | 58 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507570 | 176890 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Other junction | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00115 | 5 | M25 | Slight | 2 | 2 | 14 | March | Thursday | 11 | 4 | 44 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507210 | 178570 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00114 | 5 | M25 | Slight | 2 | 1 | 14 | March | Thursday | 11 | 50 | 47 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M25 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 504620 | 178400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | M | 25 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00116 | 5 | M25 | Slight | 2 | 1 | 15 | March | Friday | 9 | 10 | 36 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507960 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R036036 | 5 | M25 | Slight | 2 | 2 | 15 | March | Friday | 17 | 53 | 71 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501990 | 178140 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00118 | 5 | M25 | Serious | 1 | 1 | 16 | March | Saturday | 13 | 40 | 54 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508390 | 178450 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R046036 | 3 | South East | Slight | 2 | 1 | 17 | March | Sunday | 6 | 45 | 27 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486260 | 176820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fog or mist | Fog or mist | Wet or damp | Roadworks | None |
| 1996 | 43R049036 | 3 | South East | Slight | 2 | 1 | 17 | March | Sunday | 6 | 50 | 27 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486270 | 176820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fog or mist | Fog or mist | Wet or damp | Roadworks | Other object in carriageway |
| 1996 | 01TC00119 | 5 | M25 | Slight | 2 | 2 | 17 | March | Sunday | 9 | 15 | 37 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507290 | 178530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00117 | 5 | M25 | Serious | 2 | 2 | 17 | March | Sunday | 11 | 0 | 44 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507500 | 178480 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R048036 | 3 | South East | Slight | 1 | 2 | 17 | March | Sunday | 14 | 22 | 57 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 476110 | 169620 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00121 | 5 | M25 | Slight | 3 | 1 | 19 | March | Tuesday | 8 | 35 | 34 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517970 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R083036 | 3 | South East | Slight | 1 | 3 | 21 | March | Thursday | 2 | 20 | 9 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 469920 | 169420 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00133 | 5 | M25 | Slight | 2 | 1 | 21 | March | Thursday | 6 | 40 | 26 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507300 | 178550 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R063036 | 3 | South East | Slight | 2 | 1 | 21 | March | Thursday | 14 | 25 | 57 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 491300 | 179500 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | Roadworks | None |
| 1996 | 43U075036 | 3 | South East | Slight | 3 | 1 | 21 | March | Thursday | 14 | 42 | 58 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 431490 | 175540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Other | Other | Wet or damp | None | None |
| 1996 | 43N122036 | 3 | South East | Slight | 2 | 1 | 21 | March | Thursday | 18 | 22 | 73 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | Unknown or Unavailable0 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493100 | 179000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lighting unknown | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R072036 | 3 | South East | Slight | 3 | 1 | 22 | March | Friday | 7 | 40 | 30 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500690 | 177710 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R075036 | 5 | M25 | Slight | 2 | 1 | 22 | March | Friday | 15 | 3 | 60 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503770 | 178290 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R074036 | 3 | South East | Slight | 2 | 1 | 22 | March | Friday | 16 | 12 | 64 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496060 | 179180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R068036 | 5 | M25 | Slight | 3 | 2 | 23 | March | Saturday | 8 | 39 | 34 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502040 | 178150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U063036 | 3 | South East | Serious | 1 | 2 | 25 | March | Monday | 17 | 30 | 70 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434590 | 173720 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R091036 | 3 | South East | Slight | 2 | 1 | 25 | March | Monday | 19 | 0 | 76 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494810 | 179550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | Roadworks | None |
| 1996 | 43N119036 | 3 | South East | Slight | 1 | 1 | 26 | March | Tuesday | 6 | 17 | 25 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493200 | 180070 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | Roadworks | None |
| 1996 | 43R108036 | 3 | South East | Slight | 4 | 2 | 26 | March | Tuesday | 10 | 57 | 43 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487920 | 178080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 01TC00150 | 5 | M25 | Slight | 3 | 1 | 28 | March | Thursday | 8 | 45 | 35 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508350 | 178440 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00149 | 5 | M25 | Serious | 3 | 3 | 28 | March | Thursday | 12 | 50 | 51 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177090 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R112036 | 3 | South East | Slight | 2 | 2 | 28 | March | Thursday | 17 | 15 | 69 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487840 | 178030 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 01TC00156 | 5 | M25 | Slight | 2 | 1 | 29 | March | Friday | 16 | 45 | 67 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506480 | 178450 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00159 | 5 | M25 | Serious | 3 | 3 | 2 | April | Tuesday | 10 | 4 | 40 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518360 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00161 | 5 | M25 | Slight | 2 | 2 | 3 | April | Wednesday | 7 | 30 | 30 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518040 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R012046 | 3 | South East | Slight | 1 | 1 | 3 | April | Wednesday | 11 | 58 | 47 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 469040 | 169550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R011046 | 3 | South East | Slight | 3 | 2 | 3 | April | Wednesday | 17 | 55 | 71 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 478930 | 170240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R016046 | 3 | South East | Slight | 2 | 1 | 4 | April | Thursday | 10 | 45 | 43 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 472460 | 168650 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R018046 | 3 | South East | Slight | 1 | 1 | 7 | April | Sunday | 22 | 0 | 88 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 491810 | 179740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U021046 | 3 | South East | Slight | 1 | 1 | 9 | April | Tuesday | 1 | 15 | 5 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 451590 | 174180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00169 | 5 | M25 | Slight | 2 | 1 | 9 | April | Tuesday | 9 | 55 | 39 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507580 | 177000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R027046 | 3 | South East | Slight | 1 | 1 | 10 | April | Wednesday | 16 | 17 | 65 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 484500 | 174340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00356 | 5 | M25 | Slight | 2 | 1 | 11 | April | Thursday | 11 | 0 | 44 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507440 | 178340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U048046 | 3 | South East | Serious | 2 | 3 | 16 | April | Tuesday | 3 | 8 | 12 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434450 | 173770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Involvement with previous accident |
| 1996 | 43R052046 | 3 | South East | Slight | 2 | 1 | 16 | April | Tuesday | 16 | 35 | 66 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 484150 | 174150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00175 | 5 | M25 | Serious | 2 | 1 | 17 | April | Wednesday | 7 | 40 | 30 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506460 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00179 | 5 | M25 | Slight | 2 | 2 | 18 | April | Thursday | 10 | 35 | 42 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510400 | 178190 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R065046 | 3 | South East | Slight | 3 | 2 | 19 | April | Friday | 18 | 15 | 73 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467870 | 169700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R069046 | 3 | South East | Slight | 3 | 2 | 20 | April | Saturday | 10 | 44 | 42 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497260 | 179080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00211 | 5 | M25 | Slight | 2 | 1 | 20 | April | Saturday | 11 | 45 | 47 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unclassified0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 510080 | 178250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00226 | 3 | South East | Serious | 1 | 4 | 20 | April | Saturday | 18 | 40 | 74 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423400 | 180300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U094046 | 3 | South East | Slight | 3 | 1 | 21 | April | Sunday | 17 | 0 | 68 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | M4 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 431050 | 175900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | Road surface defective | None |
| 1996 | 01TC00184 | 5 | M25 | Slight | 1 | 1 | 22 | April | Monday | 12 | 0 | 48 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509200 | 178310 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43N089046 | 3 | South East | Slight | 1 | 1 | 22 | April | Monday | 12 | 10 | 48 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493300 | 179870 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R076046 | 3 | South East | Slight | 2 | 1 | 22 | April | Monday | 13 | 58 | 55 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 491210 | 179410 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | Roadworks | None |
| 1996 | 01TC00185 | 5 | M25 | Slight | 2 | 1 | 22 | April | Monday | 17 | 43 | 70 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506760 | 178530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R070046 | 3 | South East | Slight | 3 | 3 | 22 | April | Monday | 17 | 58 | 71 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486210 | 176770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining and high winds | Raining | Wet or damp | None | None |
| 1996 | 43N101046 | 5 | M25 | Slight | 2 | 1 | 23 | April | Tuesday | 9 | 10 | 36 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 504660 | 178200 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00192 | 5 | M25 | Serious | 2 | 1 | 23 | April | Tuesday | 14 | 25 | 57 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505450 | 178360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | T, Y or staggered junction | Junction | Uncontrolled | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00197 | 5 | M25 | Slight | 2 | 1 | 24 | April | Wednesday | 9 | 30 | 38 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508100 | 178480 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00236 | 3 | South East | Slight | 1 | 1 | 24 | April | Wednesday | 11 | 10 | 44 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 421300 | 180900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R087046 | 3 | South East | Slight | 1 | 1 | 24 | April | Wednesday | 23 | 0 | 92 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471130 | 168860 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00246 | 3 | South East | Serious | 2 | 2 | 25 | April | Thursday | 14 | 15 | 57 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 427400 | 178800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00198 | 5 | M25 | Slight | 2 | 1 | 25 | April | Thursday | 17 | 0 | 68 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | M4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518260 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U100046 | 3 | South East | Slight | 1 | 1 | 26 | April | Friday | 18 | 15 | 73 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 452890 | 174040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R115046 | 3 | South East | Slight | 2 | 1 | 29 | April | Monday | 8 | 25 | 33 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489380 | 178610 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R110046 | 3 | South East | Slight | 2 | 1 | 29 | April | Monday | 8 | 30 | 34 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489470 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R111046 | 3 | South East | Slight | 2 | 1 | 30 | April | Tuesday | 20 | 18 | 81 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490900 | 179170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00205 | 5 | M25 | Slight | 3 | 2 | 1 | May | Wednesday | 8 | 48 | 35 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509610 | 178320 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R010056 | 3 | South East | Slight | 2 | 2 | 2 | May | Thursday | 17 | 40 | 70 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494340 | 179730 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R005056 | 5 | M25 | Slight | 2 | 1 | 3 | May | Friday | 6 | 45 | 27 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 504440 | 178450 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | Involvement with previous accident |
| 1996 | 01TC00216 | 5 | M25 | Slight | 2 | 7 | 5 | May | Sunday | 11 | 18 | 45 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 510220 | 178290 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00256 | 3 | South East | Slight | 1 | 3 | 6 | May | Monday | 11 | 42 | 46 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 422000 | 181000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00210 | 5 | M25 | Slight | 5 | 4 | 7 | May | Tuesday | 9 | 50 | 39 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 515240 | 178720 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U011056 | 3 | South East | Slight | 2 | 2 | 7 | May | Tuesday | 14 | 10 | 56 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 441310 | 172550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00266 | 3 | South East | Slight | 2 | 2 | 9 | May | Thursday | 12 | 29 | 49 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 419500 | 180900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00450 | 5 | M25 | Slight | 2 | 1 | 10 | May | Friday | 18 | 15 | 73 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 178810 | M | 4 | Roundabout | Dual-carriageway inc. rdbt & 1-way | 30 | Roundabout | Junction | Give way sign/marks | A | 408 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00276 | 3 | South East | Slight | 1 | 1 | 11 | May | Saturday | 13 | 5 | 52 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428000 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R040056 | 3 | South East | Slight | 1 | 1 | 12 | May | Sunday | 23 | 25 | 93 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471210 | 168800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00222 | 5 | M25 | Slight | 2 | 1 | 13 | May | Monday | 8 | 50 | 35 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519010 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TD00350 | 5 | M25 | Serious | 2 | 1 | 15 | May | Wednesday | 12 | 40 | 50 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510440 | 178100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | T, Y or staggered junction | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TD00331 | 5 | M25 | Slight | 2 | 1 | 16 | May | Thursday | 9 | 30 | 38 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510500 | 178160 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | T, Y or staggered junction | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00473 | 5 | M25 | Slight | 3 | 4 | 17 | May | Friday | 6 | 50 | 27 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 178620 | M | 4 | Single carriageway - 2 lanes | Single-carriageway | 30 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U040056 | 3 | South East | Slight | 2 | 1 | 17 | May | Friday | 14 | 35 | 58 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 445720 | 173140 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U042056 | 3 | South East | Slight | 2 | 1 | 18 | May | Saturday | 0 | 18 | 1 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 433560 | 174550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00479 | 5 | M25 | Slight | 2 | 1 | 18 | May | Saturday | 7 | 59 | 31 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Multiple junction | Junction | Auto traffic signal | A | 408 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00236 | 5 | M25 | Slight | 2 | 1 | 20 | May | Monday | 18 | 0 | 72 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517090 | 178040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00237 | 5 | M25 | Slight | 2 | 1 | 21 | May | Tuesday | 8 | 10 | 32 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 515230 | 178730 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00244 | 5 | M25 | Slight | 3 | 1 | 23 | May | Thursday | 7 | 55 | 31 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518700 | 178340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R087056 | 3 | South East | Serious | 5 | 2 | 24 | May | Friday | 16 | 55 | 67 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496930 | 179060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R105056 | 3 | South East | Slight | 2 | 1 | 24 | May | Friday | 17 | 40 | 70 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467580 | 169800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining and high winds | Raining | Wet or damp | None | None |
| 1996 | 43R111056 | 5 | M25 | Slight | 2 | 1 | 25 | May | Saturday | 17 | 0 | 68 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502500 | 178190 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 54MA00296 | 3 | South East | Slight | 1 | 1 | 26 | May | Sunday | 9 | 45 | 39 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428300 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U118056 | 3 | South East | Slight | 1 | 1 | 27 | May | Monday | 7 | 38 | 30 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447100 | 172890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00259 | 5 | M25 | Slight | 3 | 1 | 31 | May | Friday | 20 | 15 | 81 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519710 | 178110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00316 | 3 | South East | Slight | 1 | 1 | 2 | June | Sunday | 15 | 27 | 61 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 421900 | 181000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00262 | 5 | M25 | Slight | 3 | 1 | 3 | June | Monday | 9 | 44 | 38 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 515960 | 178660 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R011066 | 3 | South East | Slight | 2 | 1 | 5 | June | Wednesday | 14 | 28 | 57 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490230 | 178730 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00267 | 5 | M25 | Slight | 3 | 1 | 5 | June | Wednesday | 19 | 35 | 78 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518610 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U016066 | 3 | South East | Slight | 1 | 1 | 5 | June | Wednesday | 22 | 54 | 91 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 432100 | 174770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00279 | 5 | M25 | Slight | 4 | 2 | 6 | June | Thursday | 8 | 50 | 35 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505520 | 178350 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U033066 | 3 | South East | Slight | 1 | 1 | 6 | June | Thursday | 16 | 50 | 67 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 461220 | 173800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00272 | 5 | M25 | Slight | 3 | 3 | 6 | June | Thursday | 22 | 5 | 88 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508970 | 178370 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00280 | 5 | M25 | Slight | 1 | 1 | 7 | June | Friday | 15 | 23 | 61 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 515960 | 178660 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00277 | 5 | M25 | Serious | 1 | 1 | 8 | June | Saturday | 8 | 14 | 32 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507500 | 177630 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00281 | 5 | M25 | Slight | 2 | 1 | 8 | June | Saturday | 12 | 25 | 49 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R018066 | 3 | South East | Slight | 1 | 1 | 8 | June | Saturday | 15 | 10 | 60 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481790 | 172410 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00567 | 5 | M25 | Slight | 2 | 1 | 9 | June | Sunday | 16 | 55 | 67 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507430 | 178470 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U023066 | 3 | South East | Slight | 2 | 2 | 9 | June | Sunday | 20 | 35 | 82 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453290 | 174030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R042066 | 3 | South East | Slight | 1 | 1 | 10 | June | Monday | 17 | 23 | 69 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485760 | 175990 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00285 | 5 | M25 | Slight | 2 | 1 | 11 | June | Tuesday | 17 | 32 | 70 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518480 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N058066 | 3 | South East | Slight | 1 | 1 | 11 | June | Tuesday | 19 | 5 | 76 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493300 | 179850 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00288 | 5 | M25 | Slight | 2 | 3 | 12 | June | Wednesday | 9 | 15 | 37 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505750 | 178380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U063066 | 3 | South East | Slight | 1 | 1 | 13 | June | Thursday | 22 | 30 | 90 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 432250 | 175080 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00356 | 3 | South East | Slight | 3 | 2 | 14 | June | Friday | 10 | 30 | 42 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 424400 | 179800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00291 | 5 | M25 | Slight | 1 | 1 | 15 | June | Saturday | 18 | 0 | 72 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519480 | 178250 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R075066 | 3 | South East | Slight | 2 | 1 | 16 | June | Sunday | 19 | 15 | 77 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 476730 | 169980 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R056066 | 3 | South East | Slight | 2 | 1 | 16 | June | Sunday | 19 | 21 | 77 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495650 | 179290 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R064066 | 3 | South East | Slight | 2 | 1 | 17 | June | Monday | 10 | 40 | 42 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495000 | 179500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | Dislodged vehicle load in carriageway |
| 1996 | 43R113066 | 3 | South East | Slight | 1 | 2 | 17 | June | Monday | 14 | 18 | 57 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 490580 | 178910 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00376 | 3 | South East | Slight | 2 | 1 | 20 | June | Thursday | 22 | 40 | 90 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428000 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1996 | 43R083066 | 3 | South East | Slight | 3 | 5 | 21 | June | Friday | 22 | 0 | 88 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487860 | 178000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00416 | 3 | South East | Slight | 2 | 2 | 23 | June | Sunday | 12 | 45 | 51 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 425600 | 179500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00308 | 5 | M25 | Slight | 4 | 5 | 25 | June | Tuesday | 12 | 0 | 48 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510500 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00313 | 5 | M25 | Slight | 2 | 1 | 28 | June | Friday | 9 | 58 | 39 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518260 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00316 | 5 | M25 | Slight | 1 | 1 | 28 | June | Friday | 15 | 52 | 63 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518740 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00314 | 5 | M25 | Slight | 3 | 3 | 28 | June | Friday | 17 | 0 | 68 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unclassified0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518200 | 178300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00309 | 5 | M25 | Slight | 3 | 3 | 28 | June | Friday | 23 | 38 | 94 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 514090 | 178430 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R124066 | 3 | South East | Fatal | 1 | 4 | 30 | June | Sunday | 5 | 15 | 21 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485660 | 175700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00328 | 5 | M25 | Slight | 2 | 2 | 30 | June | Sunday | 15 | 0 | 60 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177210 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00322 | 5 | M25 | Slight | 1 | 1 | 2 | July | Tuesday | 0 | 12 | 0 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 178500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R054076 | 3 | South East | Slight | 1 | 1 | 2 | July | Tuesday | 9 | 10 | 36 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 470970 | 168960 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00339 | 5 | M25 | Slight | 2 | 1 | 2 | July | Tuesday | 13 | 30 | 54 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519660 | 178130 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Give way sign/marks | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00327 | 5 | M25 | Slight | 3 | 1 | 3 | July | Wednesday | 18 | 30 | 74 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | M4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518400 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00398 | 5 | M25 | Slight | 2 | 1 | 4 | July | Thursday | 18 | 15 | 73 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517800 | 178280 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00340 | 5 | M25 | Slight | 2 | 1 | 5 | July | Friday | 15 | 55 | 63 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518610 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U025076 | 3 | South East | Slight | 10 | 4 | 5 | July | Friday | 18 | 18 | 73 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 451780 | 174130 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00333 | 5 | M25 | Slight | 2 | 1 | 8 | July | Monday | 9 | 20 | 37 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518700 | 178340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00332 | 5 | M25 | Slight | 3 | 1 | 8 | July | Monday | 14 | 30 | 58 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | M4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518400 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 54MB00476 | 3 | South East | Slight | 1 | 1 | 9 | July | Tuesday | 17 | 43 | 70 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423600 | 180200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00337 | 5 | M25 | Slight | 2 | 2 | 10 | July | Wednesday | 20 | 25 | 81 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507490 | 177030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00665 | 5 | M25 | Slight | 2 | 1 | 12 | July | Friday | 7 | 30 | 30 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | A408 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507750 | 176940 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 40 | T, Y or staggered junction | Junction | Give way sign/marks | A | 408 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R059076 | 3 | South East | Slight | 2 | 1 | 12 | July | Friday | 9 | 30 | 38 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489000 | 178650 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Unknown or Unavailable | Unknown | Unknown or Unavailable | None | None |
| 1996 | 01TC00343 | 5 | M25 | Slight | 3 | 3 | 13 | July | Saturday | 13 | 10 | 52 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507380 | 178600 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00347 | 5 | M25 | Slight | 2 | 1 | 15 | July | Monday | 7 | 35 | 30 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518660 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R073076 | 3 | South East | Slight | 2 | 1 | 16 | July | Tuesday | 10 | 51 | 43 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464410 | 172480 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00350 | 5 | M25 | Slight | 2 | 1 | 17 | July | Wednesday | 9 | 50 | 39 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507380 | 178600 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Slip road | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R097076 | 3 | South East | Fatal | 1 | 1 | 17 | July | Wednesday | 20 | 30 | 82 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483990 | 174020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00485 | 5 | M25 | Slight | 3 | 1 | 18 | July | Thursday | 7 | 55 | 31 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517440 | 178110 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R076076 | 3 | South East | Slight | 3 | 1 | 18 | July | Thursday | 8 | 50 | 35 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495400 | 179370 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R090076 | 3 | South East | Slight | 1 | 2 | 19 | July | Friday | 13 | 36 | 54 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487860 | 178000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00516 | 3 | South East | Slight | 1 | 1 | 20 | July | Saturday | 8 | 18 | 33 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 426000 | 179400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U082076 | 3 | South East | Slight | 1 | 1 | 20 | July | Saturday | 10 | 30 | 42 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 436580 | 172560 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N105076 | 3 | South East | Slight | 2 | 1 | 21 | July | Sunday | 16 | 20 | 65 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 492990 | 180060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00361 | 5 | M25 | Slight | 3 | 1 | 21 | July | Sunday | 19 | 0 | 76 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518290 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U088076 | 3 | South East | Slight | 4 | 1 | 21 | July | Sunday | 19 | 13 | 76 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 436820 | 172500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00358 | 5 | M25 | Serious | 2 | 2 | 21 | July | Sunday | 21 | 40 | 86 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507380 | 178600 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U089076 | 3 | South East | Slight | 1 | 1 | 22 | July | Monday | 9 | 30 | 38 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447490 | 172850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R101076 | 3 | South East | Slight | 3 | 1 | 22 | July | Monday | 13 | 10 | 52 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 477860 | 170100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01ID00078 | 5 | M25 | Slight | 1 | 1 | 23 | July | Tuesday | 5 | 30 | 22 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507550 | 176880 | M | 4 | Single carriageway - single track | Single-carriageway | 30 | T, Y or staggered junction | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Other | Other | Wet or damp | None | None |
| 1996 | 43R123076 | 3 | South East | Slight | 1 | 2 | 23 | July | Tuesday | 14 | 38 | 58 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486800 | 177280 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R129076 | 5 | M25 | Slight | 2 | 1 | 25 | July | Thursday | 17 | 25 | 69 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503090 | 178040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00546 | 3 | South East | Slight | 2 | 1 | 26 | July | Friday | 17 | 35 | 70 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 429000 | 177500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01ID00081 | 5 | M25 | Slight | 1 | 1 | 27 | July | Saturday | 13 | 25 | 53 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507560 | 176910 | M | 4 | Single carriageway - 4+ lanes | Single-carriageway | 30 | Multiple junction | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00372 | 5 | M25 | Slight | 1 | 3 | 29 | July | Monday | 11 | 52 | 47 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518780 | 178390 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00596 | 3 | South East | Slight | 1 | 1 | 29 | July | Monday | 17 | 29 | 69 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unclassified0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 419700 | 180900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00378 | 5 | M25 | Slight | 1 | 1 | 30 | July | Tuesday | 22 | 30 | 90 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unclassified0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512260 | 177800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | T, Y or staggered junction | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U003086 | 3 | South East | Slight | 1 | 1 | 2 | August | Friday | 1 | 35 | 6 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 440240 | 172270 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00383 | 5 | M25 | Slight | 3 | 1 | 3 | August | Saturday | 17 | 53 | 71 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 177090 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N012086 | 5 | M25 | Serious | 2 | 1 | 4 | August | Sunday | 9 | 5 | 36 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 504670 | 178180 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R018086 | 3 | South East | Serious | 1 | 3 | 5 | August | Monday | 3 | 23 | 13 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489890 | 178630 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R019086 | 3 | South East | Slight | 2 | 1 | 5 | August | Monday | 8 | 35 | 34 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 491080 | 179280 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U008086 | 3 | South East | Serious | 1 | 1 | 6 | August | Tuesday | 16 | 25 | 65 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 441210 | 172540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine and high winds | Fine | Dry | None | None |
| 1996 | 43R095086 | 5 | M25 | Slight | 2 | 2 | 7 | August | Wednesday | 13 | 12 | 52 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 504250 | 178360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R037086 | 3 | South East | Slight | 2 | 1 | 8 | August | Thursday | 10 | 30 | 42 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465110 | 171460 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00396 | 5 | M25 | Slight | 3 | 1 | 9 | August | Friday | 5 | 0 | 20 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507460 | 177840 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 40 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00402 | 5 | M25 | Slight | 2 | 1 | 10 | August | Saturday | 8 | 35 | 34 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 177120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R033086 | 3 | South East | Slight | 1 | 1 | 10 | August | Saturday | 9 | 8 | 36 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467420 | 169870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R080086 | 5 | M25 | Slight | 2 | 1 | 10 | August | Saturday | 12 | 5 | 48 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502790 | 178170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U026086 | 3 | South East | Slight | 3 | 2 | 10 | August | Saturday | 12 | 50 | 51 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 457420 | 173830 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U031086 | 3 | South East | Slight | 1 | 3 | 11 | August | Sunday | 6 | 15 | 25 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 454580 | 174010 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U086086 | 3 | South East | Slight | 2 | 1 | 11 | August | Sunday | 9 | 30 | 38 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 438820 | 172130 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R040086 | 3 | South East | Slight | 1 | 1 | 12 | August | Monday | 0 | 55 | 3 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467560 | 169750 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R047086 | 3 | South East | Slight | 2 | 1 | 14 | August | Wednesday | 9 | 5 | 36 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489470 | 178580 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R067086 | 3 | South East | Slight | 1 | 1 | 15 | August | Thursday | 3 | 35 | 14 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480600 | 171490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00666 | 3 | South East | Slight | 1 | 1 | 16 | August | Friday | 11 | 0 | 44 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 425200 | 179700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00421 | 5 | M25 | Serious | 3 | 1 | 17 | August | Saturday | 5 | 30 | 22 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 177000 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00416 | 5 | M25 | Slight | 2 | 1 | 17 | August | Saturday | 7 | 10 | 28 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507440 | 178470 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00417 | 5 | M25 | Slight | 3 | 1 | 17 | August | Saturday | 12 | 52 | 51 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unclassified0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518190 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Uncontrolled | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00408 | 5 | M25 | Slight | 2 | 2 | 18 | August | Sunday | 17 | 55 | 71 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507260 | 178480 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U060086 | 3 | South East | Slight | 2 | 1 | 19 | August | Monday | 3 | 50 | 15 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 459830 | 173820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U066086 | 3 | South East | Slight | 2 | 2 | 19 | August | Monday | 14 | 4 | 56 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 435050 | 173350 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1996 | 01TC00427 | 5 | M25 | Slight | 3 | 1 | 21 | August | Wednesday | 8 | 0 | 32 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507410 | 178600 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00420 | 5 | M25 | Serious | 2 | 1 | 21 | August | Wednesday | 12 | 45 | 51 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518750 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 01TC00428 | 5 | M25 | Slight | 3 | 2 | 22 | August | Thursday | 7 | 30 | 30 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507410 | 178600 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00422 | 5 | M25 | Serious | 1 | 1 | 23 | August | Friday | 2 | 35 | 10 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 514090 | 178440 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R098086 | 5 | M25 | Slight | 2 | 2 | 23 | August | Friday | 12 | 15 | 49 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502970 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R105086 | 3 | South East | Slight | 8 | 1 | 24 | August | Saturday | 12 | 0 | 48 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496520 | 179030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U091086 | 3 | South East | Slight | 4 | 1 | 24 | August | Saturday | 16 | 54 | 67 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 452790 | 174040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U078086 | 3 | South East | Slight | 3 | 2 | 24 | August | Saturday | 16 | 55 | 67 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434360 | 173940 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R106086 | 3 | South East | Slight | 1 | 1 | 24 | August | Saturday | 20 | 52 | 83 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Bracknell Forest | Berkshire | 484880 | 174690 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R107086 | 3 | South East | Serious | 1 | 2 | 25 | August | Sunday | 10 | 6 | 40 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497980 | 178880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00432 | 5 | M25 | Slight | 2 | 1 | 26 | August | Monday | 6 | 30 | 26 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507430 | 178770 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | A | 408 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R111086 | 3 | South East | Slight | 1 | 2 | 26 | August | Monday | 6 | 35 | 26 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465610 | 171150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U083086 | 3 | South East | Slight | 1 | 1 | 26 | August | Monday | 8 | 20 | 33 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 439120 | 172150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R121086 | 3 | South East | Slight | 2 | 2 | 27 | August | Tuesday | 16 | 15 | 65 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480010 | 171170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00415 | 5 | M25 | Slight | 2 | 1 | 28 | August | Wednesday | 8 | 50 | 35 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518740 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00813 | 5 | M25 | Slight | 1 | 1 | 30 | August | Friday | 10 | 30 | 42 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505380 | 178370 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R138086 | 3 | South East | Slight | 2 | 2 | 31 | August | Saturday | 9 | 20 | 37 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467000 | 170000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00435 | 5 | M25 | Slight | 2 | 2 | 31 | August | Saturday | 17 | 40 | 70 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507500 | 177050 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R133086 | 3 | South East | Slight | 2 | 1 | 31 | August | Saturday | 18 | 10 | 72 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 466300 | 170540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00443 | 5 | M25 | Slight | 2 | 1 | 2 | September | Monday | 18 | 10 | 72 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507180 | 178530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00439 | 5 | M25 | Slight | 2 | 2 | 3 | September | Tuesday | 2 | 0 | 8 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507790 | 178530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R010096 | 3 | South East | Slight | 2 | 1 | 3 | September | Tuesday | 7 | 20 | 29 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495590 | 179330 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 54MA00696 | 3 | South East | Slight | 1 | 1 | 3 | September | Tuesday | 21 | 4 | 84 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 424000 | 179800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00436 | 5 | M25 | Slight | 1 | 1 | 3 | September | Tuesday | 22 | 5 | 88 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507790 | 178530 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U009096 | 3 | South East | Slight | 2 | 2 | 4 | September | Wednesday | 4 | 15 | 17 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 443740 | 173110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00446 | 5 | M25 | Slight | 2 | 1 | 6 | September | Friday | 7 | 0 | 28 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519020 | 178490 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00447 | 5 | M25 | Slight | 4 | 4 | 6 | September | Friday | 8 | 35 | 34 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519020 | 178490 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00452 | 5 | M25 | Slight | 2 | 2 | 6 | September | Friday | 10 | 53 | 43 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505130 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00448 | 5 | M25 | Slight | 3 | 1 | 6 | September | Friday | 16 | 20 | 65 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519020 | 178490 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N038096 | 3 | South East | Slight | 2 | 2 | 6 | September | Friday | 21 | 5 | 84 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 492030 | 179800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R039096 | 3 | South East | Slight | 1 | 1 | 8 | September | Sunday | 10 | 52 | 43 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464500 | 172300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R027096 | 3 | South East | Slight | 3 | 1 | 8 | September | Sunday | 18 | 0 | 72 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495880 | 179250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine and high winds | Fine | Dry | None | None |
| 1996 | 54MA00726 | 3 | South East | Slight | 1 | 1 | 9 | September | Monday | 7 | 45 | 31 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 426100 | 179300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01ID00102 | 5 | M25 | Slight | 1 | 1 | 10 | September | Tuesday | 1 | 6 | 4 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507600 | 176890 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R046096 | 3 | South East | Slight | 3 | 1 | 10 | September | Tuesday | 23 | 30 | 94 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Bracknell Forest | Berkshire | 485010 | 174820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U036096 | 3 | South East | Slight | 2 | 1 | 11 | September | Wednesday | 14 | 45 | 59 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464350 | 172550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | Roadworks | None |
| 1996 | 01TC00460 | 5 | M25 | Slight | 2 | 1 | 11 | September | Wednesday | 19 | 10 | 76 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510880 | 178120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R081096 | 3 | South East | Slight | 3 | 2 | 12 | September | Thursday | 11 | 15 | 45 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479950 | 171100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01XH00898 | 5 | M25 | Slight | 2 | 1 | 12 | September | Thursday | 14 | 30 | 58 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507500 | 178770 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | A | 408 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00475 | 5 | M25 | Slight | 2 | 1 | 13 | September | Friday | 8 | 30 | 34 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510390 | 178240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Multiple junction | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N072096 | 3 | South East | Serious | 1 | 1 | 13 | September | Friday | 14 | 45 | 59 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | M4 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493570 | 180000 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00465 | 5 | M25 | Slight | 3 | 2 | 13 | September | Friday | 21 | 5 | 84 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507460 | 177890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00471 | 5 | M25 | Slight | 2 | 1 | 14 | September | Saturday | 8 | 2 | 32 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 178500 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R056096 | 3 | South East | Slight | 2 | 4 | 15 | September | Sunday | 1 | 58 | 7 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 472190 | 168590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R058096 | 3 | South East | Slight | 2 | 1 | 16 | September | Monday | 8 | 30 | 34 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500380 | 177590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U045096 | 3 | South East | Slight | 3 | 1 | 16 | September | Monday | 16 | 2 | 64 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447300 | 172880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1996 | 01TC00477 | 5 | M25 | Slight | 3 | 4 | 17 | September | Tuesday | 9 | 30 | 38 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506840 | 178540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Unknown or Unavailable | Unknown | Dry | None | None |
| 1996 | 54MA00756 | 3 | South East | Slight | 2 | 2 | 19 | September | Thursday | 9 | 0 | 36 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 419600 | 180900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R096096 | 3 | South East | Slight | 2 | 1 | 19 | September | Thursday | 10 | 25 | 41 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 477370 | 170120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00478 | 5 | M25 | Slight | 3 | 1 | 20 | September | Friday | 8 | 45 | 35 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506990 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R105096 | 3 | South East | Slight | 2 | 1 | 20 | September | Friday | 11 | 15 | 45 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | Unknown or Unavailable0 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 478560 | 171100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00482 | 5 | M25 | Serious | 2 | 1 | 21 | September | Saturday | 11 | 28 | 45 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510400 | 178280 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 40 | Slip road | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R147096 | 3 | South East | Slight | 2 | 2 | 23 | September | Monday | 12 | 37 | 50 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480090 | 171240 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00507 | 5 | M25 | Slight | 2 | 1 | 24 | September | Tuesday | 8 | 10 | 32 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518710 | 178340 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00484 | 5 | M25 | Slight | 4 | 2 | 24 | September | Tuesday | 16 | 20 | 65 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505110 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R101096 | 3 | South East | Slight | 1 | 1 | 25 | September | Wednesday | 3 | 25 | 13 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467500 | 169760 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R113096 | 3 | South East | Slight | 2 | 2 | 25 | September | Wednesday | 19 | 0 | 76 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 499430 | 177400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | Road surface defective | None |
| 1996 | 43R152096 | 3 | South East | Slight | 2 | 1 | 26 | September | Thursday | 8 | 50 | 35 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464850 | 171690 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Unknown or Unavailable | Unknown | Unknown or Unavailable | None | None |
| 1996 | 43R117096 | 3 | South East | Slight | 4 | 1 | 26 | September | Thursday | 17 | 30 | 70 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471050 | 168940 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00487 | 5 | M25 | Slight | 3 | 1 | 27 | September | Friday | 11 | 20 | 45 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R127096 | 5 | M25 | Slight | 2 | 2 | 27 | September | Friday | 15 | 40 | 62 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 500940 | 177860 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R128096 | 3 | South East | Slight | 2 | 1 | 28 | September | Saturday | 10 | 40 | 42 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483980 | 174020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00816 | 3 | South East | Serious | 2 | 3 | 29 | September | Sunday | 3 | 25 | 13 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 422200 | 180900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fog or mist | Fog or mist | Dry | None | None |
| 1996 | 43U096096 | 3 | South East | Slight | 2 | 1 | 29 | September | Sunday | 11 | 45 | 47 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 437240 | 172360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00496 | 5 | M25 | Slight | 2 | 1 | 30 | September | Monday | 19 | 10 | 76 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507510 | 177040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00499 | 5 | M25 | Slight | 3 | 2 | 2 | October | Wednesday | 7 | 48 | 31 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518150 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R012106 | 3 | South East | Slight | 2 | 1 | 2 | October | Wednesday | 18 | 5 | 72 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496720 | 179040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N024106 | 3 | South East | Slight | 2 | 1 | 3 | October | Thursday | 17 | 48 | 71 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 491800 | 179750 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00511 | 5 | M25 | Slight | 2 | 2 | 3 | October | Thursday | 20 | 5 | 80 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507390 | 178600 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R031106 | 3 | South East | Slight | 4 | 1 | 4 | October | Friday | 15 | 54 | 63 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480940 | 171730 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R030106 | 3 | South East | Slight | 4 | 1 | 4 | October | Friday | 15 | 55 | 63 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480600 | 171510 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R019106 | 3 | South East | Slight | 4 | 2 | 4 | October | Friday | 16 | 30 | 66 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 478650 | 170120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00505 | 5 | M25 | Slight | 2 | 1 | 4 | October | Friday | 17 | 35 | 70 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 516190 | 178530 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R022106 | 3 | South East | Fatal | 1 | 1 | 5 | October | Saturday | 9 | 50 | 39 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 482210 | 172700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43W068106 | 3 | South East | Slight | 3 | 3 | 6 | October | Sunday | 21 | 0 | 84 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471800 | 168590 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R041106 | 3 | South East | Slight | 5 | 1 | 7 | October | Monday | 8 | 30 | 34 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 477270 | 170090 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U026106 | 3 | South East | Serious | 2 | 2 | 8 | October | Tuesday | 5 | 15 | 21 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 458010 | 173820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Involvement with previous accident |
| 1996 | 43R062106 | 5 | M25 | Slight | 2 | 2 | 10 | October | Thursday | 1 | 45 | 7 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501800 | 178150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00517 | 5 | M25 | Slight | 2 | 1 | 10 | October | Thursday | 8 | 27 | 33 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518710 | 178340 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U035106 | 3 | South East | Slight | 3 | 1 | 10 | October | Thursday | 15 | 25 | 61 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 454970 | 173890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U036106 | 3 | South East | Slight | 1 | 1 | 11 | October | Friday | 9 | 40 | 38 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447100 | 172880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N084106 | 3 | South East | Slight | 1 | 1 | 13 | October | Sunday | 3 | 30 | 14 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 491540 | 179640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00525 | 5 | M25 | Slight | 2 | 1 | 14 | October | Monday | 7 | 12 | 28 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507410 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00519 | 5 | M25 | Slight | 2 | 1 | 14 | October | Monday | 7 | 35 | 30 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518710 | 178340 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U048106 | 3 | South East | Slight | 2 | 2 | 14 | October | Monday | 19 | 52 | 79 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447700 | 172840 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00530 | 5 | M25 | Serious | 3 | 2 | 16 | October | Wednesday | 16 | 38 | 66 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507770 | 178520 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R123106 | 5 | M25 | Slight | 2 | 2 | 16 | October | Wednesday | 18 | 10 | 72 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501500 | 178050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00528 | 5 | M25 | Serious | 1 | 3 | 16 | October | Wednesday | 22 | 10 | 88 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507410 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U090106 | 3 | South East | Slight | 2 | 1 | 18 | October | Friday | 9 | 30 | 38 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 438320 | 172160 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00540 | 5 | M25 | Slight | 1 | 1 | 18 | October | Friday | 19 | 5 | 76 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | M4 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 511720 | 177820 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U070106 | 3 | South East | Slight | 6 | 2 | 18 | October | Friday | 19 | 57 | 79 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 441820 | 172590 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Snowing and high winds | Snowing | Wet or damp | None | None |
| 1996 | 43U074106 | 3 | South East | Slight | 2 | 1 | 19 | October | Saturday | 23 | 30 | 94 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 450910 | 174290 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Other | Other | Wet or damp | Roadworks | None |
| 1996 | 01TC00538 | 5 | M25 | Slight | 3 | 2 | 20 | October | Sunday | 12 | 24 | 49 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507560 | 177020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MB00836 | 3 | South East | Slight | 2 | 4 | 20 | October | Sunday | 16 | 45 | 67 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 420500 | 180800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R126106 | 3 | South East | Slight | 4 | 3 | 21 | October | Monday | 6 | 55 | 27 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485620 | 175700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00549 | 5 | M25 | Slight | 2 | 1 | 21 | October | Monday | 8 | 30 | 34 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512430 | 177810 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R142106 | 3 | South East | Slight | 2 | 1 | 24 | October | Thursday | 8 | 40 | 34 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500220 | 177490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00545 | 5 | M25 | Slight | 2 | 1 | 24 | October | Thursday | 16 | 10 | 64 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512430 | 177810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U097106 | 3 | South East | Slight | 1 | 2 | 25 | October | Friday | 10 | 12 | 40 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453880 | 174060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R156106 | 5 | M25 | Slight | 2 | 1 | 25 | October | Friday | 19 | 40 | 78 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 500950 | 177840 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R149106 | 3 | South East | Fatal | 1 | 1 | 26 | October | Saturday | 3 | 35 | 14 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483140 | 173300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U099106 | 3 | South East | Slight | 2 | 1 | 26 | October | Saturday | 13 | 40 | 54 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 433600 | 174600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine and high winds | Fine | Dry | None | None |
| 1996 | 43R159106 | 3 | South East | Slight | 1 | 1 | 27 | October | Sunday | 12 | 10 | 48 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495970 | 179160 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R192106 | 5 | M25 | Slight | 2 | 1 | 28 | October | Monday | 9 | 15 | 37 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503490 | 178200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U108106 | 3 | South East | Slight | 2 | 1 | 28 | October | Monday | 10 | 20 | 41 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434990 | 173350 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00554 | 5 | M25 | Slight | 2 | 1 | 28 | October | Monday | 12 | 30 | 50 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507410 | 178610 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U109106 | 3 | South East | Slight | 2 | 1 | 28 | October | Monday | 13 | 15 | 53 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453880 | 174070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine and high winds | Fine | Dry | None | None |
| 1996 | 01TC00558 | 5 | M25 | Slight | 3 | 1 | 28 | October | Monday | 13 | 30 | 54 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507410 | 178610 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00555 | 5 | M25 | Slight | 1 | 1 | 28 | October | Monday | 14 | 25 | 57 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509580 | 178300 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00550 | 5 | M25 | Slight | 2 | 1 | 29 | October | Tuesday | 11 | 19 | 45 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518760 | 178370 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R190106 | 5 | M25 | Slight | 6 | 4 | 31 | October | Thursday | 15 | 48 | 63 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502790 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43R001116 | 3 | South East | Fatal | 6 | 1 | 2 | November | Saturday | 3 | 30 | 14 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485540 | 175520 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U002116 | 3 | South East | Slight | 1 | 4 | 3 | November | Sunday | 5 | 6 | 20 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 442220 | 172650 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U008116 | 3 | South East | Serious | 1 | 1 | 4 | November | Monday | 14 | 38 | 58 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 440240 | 172270 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U013116 | 3 | South East | Slight | 2 | 2 | 4 | November | Monday | 16 | 55 | 67 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 438110 | 172180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00575 | 5 | M25 | Slight | 2 | 1 | 4 | November | Monday | 18 | 30 | 74 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507720 | 178560 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R022116 | 3 | South East | Slight | 1 | 1 | 5 | November | Tuesday | 8 | 10 | 32 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465280 | 171330 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U020116 | 3 | South East | Slight | 2 | 1 | 5 | November | Tuesday | 16 | 5 | 64 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 439010 | 172150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R025116 | 3 | South East | Slight | 2 | 1 | 6 | November | Wednesday | 8 | 15 | 33 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498360 | 178230 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00574 | 5 | M25 | Slight | 4 | 1 | 6 | November | Wednesday | 11 | 35 | 46 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518660 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R040116 | 3 | South East | Slight | 4 | 1 | 6 | November | Wednesday | 17 | 40 | 70 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495970 | 179190 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R029116 | 3 | South East | Slight | 2 | 1 | 6 | November | Wednesday | 18 | 23 | 73 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467200 | 169910 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine and high winds | Fine | Dry | None | None |
| 1996 | 43R043116 | 3 | South East | Slight | 4 | 1 | 7 | November | Thursday | 9 | 55 | 39 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494620 | 179640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00916 | 3 | South East | Slight | 3 | 1 | 7 | November | Thursday | 12 | 14 | 48 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423200 | 180400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining and high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00580 | 5 | M25 | Slight | 2 | 1 | 8 | November | Friday | 7 | 40 | 30 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 517920 | 178290 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R060116 | 3 | South East | Slight | 2 | 1 | 12 | November | Tuesday | 8 | 10 | 32 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 484500 | 174330 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00602 | 5 | M25 | Slight | 2 | 1 | 13 | November | Wednesday | 13 | 45 | 55 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507090 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 30 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R077116 | 3 | South East | Slight | 5 | 6 | 13 | November | Wednesday | 17 | 30 | 70 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498230 | 178490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R072116 | 3 | South East | Slight | 1 | 1 | 14 | November | Thursday | 2 | 45 | 11 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 482960 | 173200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Frost or ice | None | None |
| 1996 | 01TC00598 | 5 | M25 | Slight | 3 | 2 | 14 | November | Thursday | 19 | 20 | 77 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 512390 | 177790 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 54MA00946 | 3 | South East | Slight | 3 | 1 | 15 | November | Friday | 8 | 50 | 35 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 428000 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R080116 | 3 | South East | Slight | 2 | 1 | 16 | November | Saturday | 19 | 5 | 76 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485990 | 176400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R093116 | 3 | South East | Slight | 2 | 2 | 17 | November | Sunday | 0 | 30 | 2 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497730 | 178950 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 01TC00592 | 5 | M25 | Slight | 4 | 1 | 17 | November | Sunday | 10 | 55 | 43 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510420 | 178290 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43N114116 | 5 | M25 | Slight | 1 | 1 | 17 | November | Sunday | 14 | 32 | 58 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | M4 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 504280 | 178520 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00613 | 5 | M25 | Slight | 3 | 1 | 18 | November | Monday | 14 | 10 | 56 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507440 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U067116 | 3 | South East | Slight | 2 | 1 | 18 | November | Monday | 17 | 55 | 71 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 434350 | 173940 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R100116 | 3 | South East | Slight | 3 | 2 | 19 | November | Tuesday | 18 | 15 | 73 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 466080 | 170770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1996 | 43U084116 | 3 | South East | Slight | 2 | 3 | 20 | November | Wednesday | 10 | 20 | 41 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 438230 | 172190 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00603 | 5 | M25 | Slight | 2 | 1 | 21 | November | Thursday | 8 | 30 | 34 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | A312 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510510 | 178170 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R110116 | 3 | South East | Slight | 2 | 1 | 21 | November | Thursday | 16 | 42 | 66 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494520 | 179670 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00609 | 5 | M25 | Slight | 2 | 1 | 21 | November | Thursday | 18 | 30 | 74 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505160 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R090116 | 3 | South East | Fatal | 5 | 1 | 22 | November | Friday | 9 | 3 | 36 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487390 | 177650 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U095116 | 3 | South East | Slight | 2 | 2 | 25 | November | Monday | 9 | 21 | 37 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 458010 | 173810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Other | Other | Wet or damp | None | None |
| 1996 | 43R129116 | 3 | South East | Slight | 1 | 2 | 25 | November | Monday | 14 | 30 | 58 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 465870 | 170970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00633 | 5 | M25 | Slight | 1 | 1 | 27 | November | Wednesday | 17 | 35 | 70 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508310 | 178440 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00623 | 5 | M25 | Slight | 3 | 3 | 28 | November | Thursday | 17 | 25 | 69 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507450 | 178370 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1996 | 43R147116 | 3 | South East | Slight | 5 | 2 | 29 | November | Friday | 18 | 15 | 73 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498150 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43R150116 | 5 | M25 | Slight | 2 | 2 | 29 | November | Friday | 19 | 16 | 77 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 501600 | 178090 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U130116 | 3 | South East | Slight | 2 | 1 | 30 | November | Saturday | 0 | 20 | 1 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 435820 | 172890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R154116 | 3 | South East | Slight | 2 | 1 | 30 | November | Saturday | 3 | 45 | 15 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497130 | 179050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R012126 | 3 | South East | Slight | 4 | 1 | 2 | December | Monday | 10 | 15 | 41 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495110 | 179490 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R005126 | 3 | South East | Slight | 2 | 2 | 2 | December | Monday | 16 | 0 | 64 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 468230 | 169540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00630 | 5 | M25 | Slight | 3 | 2 | 4 | December | Wednesday | 18 | 50 | 75 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507970 | 178510 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R025126 | 3 | South East | Slight | 2 | 1 | 5 | December | Thursday | 10 | 40 | 42 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498580 | 177890 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U024126 | 3 | South East | Slight | 3 | 1 | 5 | December | Thursday | 23 | 0 | 92 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 459130 | 173880 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1996 | 43R038126 | 5 | M25 | Slight | 1 | 1 | 6 | December | Friday | 16 | 30 | 66 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502290 | 178150 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00642 | 5 | M25 | Slight | 2 | 1 | 6 | December | Friday | 18 | 20 | 73 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 511990 | 177770 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00644 | 5 | M25 | Slight | 3 | 1 | 8 | December | Sunday | 10 | 20 | 41 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507450 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00643 | 5 | M25 | Serious | 1 | 1 | 8 | December | Sunday | 12 | 53 | 51 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506800 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43N062126 | 3 | South East | Slight | 4 | 2 | 11 | December | Wednesday | 11 | 25 | 45 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | M4 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493580 | 180000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R083126 | 3 | South East | Slight | 4 | 1 | 12 | December | Thursday | 7 | 49 | 31 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480710 | 171560 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00650 | 5 | M25 | Slight | 2 | 2 | 12 | December | Thursday | 19 | 0 | 76 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505000 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00648 | 5 | M25 | Slight | 2 | 1 | 12 | December | Thursday | 23 | 55 | 95 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unclassified0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518190 | 178310 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R073126 | 3 | South East | Fatal | 1 | 4 | 15 | December | Sunday | 6 | 45 | 27 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497720 | 178950 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 01TC00657 | 5 | M25 | Slight | 3 | 1 | 17 | December | Tuesday | 7 | 20 | 29 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518760 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00681 | 5 | M25 | Slight | 2 | 1 | 18 | December | Wednesday | 17 | 40 | 70 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519320 | 178380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43U081126 | 3 | South East | Slight | 2 | 3 | 19 | December | Thursday | 12 | 55 | 51 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 459590 | 173850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U073126 | 3 | South East | Slight | 2 | 2 | 19 | December | Thursday | 16 | 30 | 66 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 440710 | 172440 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1996 | 43U084126 | 3 | South East | Slight | 1 | 1 | 20 | December | Friday | 18 | 30 | 74 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 458120 | 173810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R121126 | 3 | South East | Slight | 2 | 2 | 21 | December | Saturday | 14 | 35 | 58 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497970 | 178780 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00669 | 5 | M25 | Serious | 2 | 2 | 21 | December | Saturday | 18 | 0 | 72 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unclassified0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505440 | 178340 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Uncontrolled | Unclassified | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R132126 | 3 | South East | Slight | 2 | 1 | 23 | December | Monday | 12 | 16 | 49 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481710 | 172350 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R135126 | 3 | South East | Slight | 2 | 1 | 23 | December | Monday | 14 | 20 | 57 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483350 | 173500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 43R140126 | 3 | South East | Slight | 2 | 1 | 24 | December | Tuesday | 16 | 20 | 65 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 476820 | 170000 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00679 | 5 | M25 | Serious | 3 | 2 | 28 | December | Saturday | 10 | 15 | 41 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507460 | 178360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1996 | 01TC00675 | 5 | M25 | Slight | 3 | 1 | 28 | December | Saturday | 11 | 15 | 45 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507470 | 178430 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R001017 | 3 | South East | Slight | 1 | 2 | 1 | January | Wednesday | 14 | 45 | 59 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471050 | 168950 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U001017 | 3 | South East | Slight | 3 | 3 | 2 | January | Thursday | 20 | 0 | 80 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 456800 | 173750 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00004 | 5 | M25 | Serious | 3 | 2 | 5 | January | Sunday | 17 | 0 | 68 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505820 | 178390 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R022017 | 3 | South East | Slight | 2 | 2 | 6 | January | Monday | 10 | 25 | 41 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 473530 | 169120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R017017 | 3 | South East | Slight | 2 | 1 | 6 | January | Monday | 19 | 45 | 79 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485580 | 175600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 01TC00008 | 5 | M25 | Slight | 2 | 1 | 6 | January | Monday | 19 | 55 | 79 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507020 | 178550 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R029017 | 3 | South East | Slight | 1 | 3 | 7 | January | Tuesday | 21 | 38 | 86 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 486280 | 176800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 43R025017 | 3 | South East | Slight | 1 | 1 | 8 | January | Wednesday | 0 | 25 | 1 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | A329(M) | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 479540 | 170630 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Slip road | Junction | Uncontrolled | A(M) | 329 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MB00057 | 3 | South East | Slight | 4 | 1 | 8 | January | Wednesday | 18 | 58 | 75 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 425600 | 179500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | Other object in carriageway |
| 1997 | 01TC00017 | 5 | M25 | Serious | 1 | 1 | 12 | January | Sunday | 5 | 45 | 23 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507460 | 178390 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights unlit | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1997 | 43R045017 | 3 | South East | Slight | 4 | 1 | 13 | January | Monday | 6 | 55 | 27 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 480510 | 171470 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 01TC00018 | 5 | M25 | Slight | 2 | 1 | 14 | January | Tuesday | 8 | 45 | 35 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505830 | 178390 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R067017 | 3 | South East | Slight | 2 | 2 | 15 | January | Wednesday | 16 | 12 | 64 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 488500 | 178530 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1997 | 43R065017 | 5 | M25 | Slight | 2 | 1 | 15 | January | Wednesday | 17 | 53 | 71 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 503290 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1997 | 43U050017 | 3 | South East | Slight | 1 | 1 | 17 | January | Friday | 18 | 50 | 75 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447200 | 172870 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Other | Other | Wet or damp | None | None |
| 1997 | 54MB00077 | 3 | South East | Slight | 3 | 2 | 20 | January | Monday | 15 | 30 | 62 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 419500 | 180900 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R095017 | 3 | South East | Slight | 3 | 2 | 21 | January | Tuesday | 7 | 35 | 30 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 487860 | 178010 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00031 | 5 | M25 | Slight | 2 | 1 | 23 | January | Thursday | 11 | 0 | 44 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508990 | 178360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00032 | 5 | M25 | Slight | 2 | 1 | 23 | January | Thursday | 11 | 24 | 45 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508980 | 178370 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R110017 | 5 | M25 | Slight | 4 | 1 | 24 | January | Friday | 17 | 30 | 70 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502790 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Unknown or Unavailable | Unknown | Unknown or Unavailable | None | None |
| 1997 | 01TC00035 | 5 | M25 | Serious | 2 | 1 | 24 | January | Friday | 17 | 50 | 71 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506820 | 178520 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U075017 | 3 | South East | Slight | 1 | 1 | 24 | January | Friday | 23 | 55 | 95 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 435140 | 173260 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fog or mist | Fog or mist | Wet or damp | None | None |
| 1997 | 01TC00050 | 5 | M25 | Slight | 3 | 2 | 29 | January | Wednesday | 11 | 0 | 44 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507540 | 177120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R147017 | 3 | South East | Serious | 6 | 2 | 30 | January | Thursday | 6 | 35 | 26 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498390 | 178070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00060 | 5 | M25 | Serious | 2 | 1 | 30 | January | Thursday | 10 | 5 | 40 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505620 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U104017 | 3 | South East | Slight | 2 | 2 | 30 | January | Thursday | 17 | 48 | 71 | 00:00.0 | NULL | NULL | NULL | M4 | No Road Link Defined | M4 | M4 | NULL | NULL | No Road Link Defined | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 447660 | 173840 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R135017 | 3 | South East | Slight | 5 | 1 | 30 | January | Thursday | 18 | 30 | 74 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495580 | 179320 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R149017 | 3 | South East | Slight | 3 | 2 | 31 | January | Friday | 18 | 30 | 74 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497000 | 179050 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Unknown or Unavailable | Unknown | Unknown or Unavailable | None | None |
| 1997 | 01TC00058 | 5 | M25 | Slight | 2 | 1 | 1 | February | Saturday | 12 | 20 | 49 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 177000 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R005027 | 3 | South East | Slight | 2 | 1 | 1 | February | Saturday | 16 | 7 | 64 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481430 | 172070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01ID00015 | 5 | M25 | Serious | 1 | 1 | 1 | February | Saturday | 21 | 23 | 85 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | A4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507740 | 176950 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 30 | Roundabout | Junction | Auto traffic signal | A | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R006027 | 3 | South East | Slight | 1 | 1 | 2 | February | Sunday | 14 | 45 | 59 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496430 | 179070 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1997 | 43R007027 | 3 | South East | Slight | 2 | 1 | 2 | February | Sunday | 16 | 10 | 64 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 481950 | 172540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R012027 | 3 | South East | Slight | 3 | 2 | 3 | February | Monday | 7 | 55 | 31 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | M4 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471310 | 168760 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 01TC00052 | 5 | M25 | Serious | 1 | 1 | 3 | February | Monday | 12 | 10 | 48 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519500 | 178230 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00061 | 5 | M25 | Slight | 2 | 1 | 5 | February | Wednesday | 8 | 30 | 34 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518680 | 178320 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MB00157 | 3 | South East | Slight | 4 | 1 | 5 | February | Wednesday | 20 | 0 | 80 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 424500 | 179700 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | Involvement with previous accident |
| 1997 | 01TC00074 | 5 | M25 | Slight | 2 | 2 | 5 | February | Wednesday | 21 | 30 | 86 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A312 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510390 | 178190 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Slip road | Junction | Give way sign/marks | A | 312 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U024027 | 3 | South East | Slight | 1 | 2 | 6 | February | Thursday | 19 | 40 | 78 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 445040 | 173250 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 43R031027 | 3 | South East | Slight | 3 | 1 | 7 | February | Friday | 18 | 10 | 72 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 492620 | 179970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 43R042027 | 3 | South East | Slight | 2 | 3 | 8 | February | Saturday | 10 | 58 | 43 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 485680 | 175800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00066 | 5 | M25 | Serious | 3 | 4 | 8 | February | Saturday | 17 | 45 | 71 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508240 | 178450 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MA00197 | 3 | South East | Slight | 3 | 2 | 10 | February | Monday | 10 | 20 | 41 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 425300 | 179600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining and high winds | Raining | Wet or damp | None | None |
| 1997 | 43R046027 | 3 | South East | Slight | 2 | 2 | 10 | February | Monday | 18 | 10 | 72 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 496250 | 179100 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 01TC00078 | 5 | M25 | Serious | 2 | 1 | 11 | February | Tuesday | 13 | 10 | 52 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | M4 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507520 | 178560 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MA00207 | 3 | South East | Slight | 1 | 1 | 11 | February | Tuesday | 14 | 0 | 56 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 426000 | 179400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining and high winds | Raining | Wet or damp | None | None |
| 1997 | 43R062027 | 3 | South East | Slight | 4 | 3 | 11 | February | Tuesday | 21 | 25 | 85 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483340 | 173300 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1997 | 01ID00019 | 5 | M25 | Slight | 2 | 1 | 12 | February | Wednesday | 6 | 20 | 25 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507560 | 176880 | M | 4 | Single carriageway - 2 lanes | Single-carriageway | 30 | T, Y or staggered junction | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1997 | 43R070027 | 3 | South East | Slight | 1 | 1 | 14 | February | Friday | 15 | 29 | 61 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 473520 | 169110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R071027 | 3 | South East | Slight | 1 | 1 | 15 | February | Saturday | 13 | 16 | 53 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | M4 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493610 | 179990 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R073027 | 5 | M25 | Slight | 2 | 1 | 16 | February | Sunday | 12 | 30 | 50 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502500 | 178160 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1997 | 43R075027 | 3 | South East | Slight | 2 | 2 | 17 | February | Monday | 15 | 55 | 63 | 00:00.0 | LM570 | M4 between M4 J8 and M4 J10 (LM570) | A | M4 | M4 J8 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J8 | M4 J10 | M4 J8 to M4 J10 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 483730 | 173860 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining and high winds | Raining | Wet or damp | None | None |
| 1997 | 43N097027 | 3 | South East | Slight | 2 | 1 | 18 | February | Tuesday | 16 | 50 | 67 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 493490 | 180010 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 43R085027 | 3 | South East | Slight | 2 | 1 | 19 | February | Wednesday | 8 | 37 | 34 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | M4 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 489150 | 178640 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MA00217 | 3 | South East | Slight | 1 | 1 | 19 | February | Wednesday | 19 | 30 | 78 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423000 | 180500 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Raining and high winds | Raining | Wet or damp | None | None |
| 1997 | 01TC00095 | 5 | M25 | Slight | 3 | 1 | 20 | February | Thursday | 8 | 0 | 32 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 518560 | 178290 | M | 4 | One way street | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Uncontrolled | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00096 | 5 | M25 | Slight | 3 | 1 | 20 | February | Thursday | 8 | 55 | 35 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508310 | 178440 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00101 | 5 | M25 | Serious | 3 | 1 | 21 | February | Friday | 7 | 30 | 30 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 509140 | 178350 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | Other object in carriageway |
| 1997 | 01TC00116 | 5 | M25 | Slight | 2 | 1 | 21 | February | Friday | 18 | 5 | 72 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 504930 | 178360 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00129 | 5 | M25 | Slight | 2 | 2 | 24 | February | Monday | 6 | 10 | 24 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | A4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 507540 | 177030 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Multiple junction | Junction | Auto traffic signal | A | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lighting unknown | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00110 | 5 | M25 | Slight | 3 | 2 | 24 | February | Monday | 7 | 55 | 31 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505070 | 178390 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00107 | 5 | M25 | Slight | 2 | 1 | 24 | February | Monday | 19 | 35 | 78 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 506980 | 178560 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 60 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining and high winds | Raining | Wet or damp | None | None |
| 1997 | 43R124027 | 3 | South East | Slight | 3 | 1 | 27 | February | Thursday | 13 | 50 | 55 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495960 | 179200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | Dislodged vehicle load in carriageway |
| 1997 | 43U109027 | 3 | South East | Slight | 3 | 2 | 27 | February | Thursday | 16 | 55 | 67 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 442810 | 172720 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U112027 | 3 | South East | Slight | 2 | 1 | 28 | February | Friday | 17 | 35 | 70 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453300 | 174040 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R012037 | 3 | South East | Slight | 3 | 3 | 2 | March | Sunday | 16 | 0 | 64 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500590 | 177580 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R023037 | 3 | South East | Slight | 1 | 1 | 4 | March | Tuesday | 8 | 40 | 34 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 495590 | 179330 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1997 | 43R021037 | 5 | M25 | Slight | 2 | 1 | 4 | March | Tuesday | 18 | 0 | 72 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 504050 | 178330 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 01TC00120 | 5 | M25 | Serious | 3 | 3 | 4 | March | Tuesday | 18 | 55 | 75 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507510 | 177600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Raining no high winds | Raining | Wet or damp | None | None |
| 1997 | 01TC00123 | 5 | M25 | Slight | 2 | 1 | 5 | March | Wednesday | 14 | 55 | 59 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177110 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00127 | 5 | M25 | Slight | 2 | 1 | 6 | March | Thursday | 6 | 50 | 27 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507610 | 178540 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Wet or damp | None | None |
| 1997 | 01TC00126 | 5 | M25 | Slight | 2 | 1 | 6 | March | Thursday | 8 | 20 | 33 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 510100 | 178250 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00128 | 5 | M25 | Slight | 3 | 2 | 6 | March | Thursday | 10 | 10 | 40 | 00:00.0 | LM557 | M4 between M4 J3 and M4 J2 (LM557) | B | M4 | M4 J3 to M4 J2 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J2 | M4 J3 to M4 J2 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 510700 | 178190 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MB00237 | 3 | South East | Slight | 3 | 1 | 6 | March | Thursday | 12 | 47 | 51 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 422400 | 180800 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R042037 | 3 | South East | Serious | 1 | 1 | 7 | March | Friday | 11 | 11 | 44 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 467020 | 170020 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R040037 | 5 | M25 | Slight | 3 | 2 | 7 | March | Friday | 14 | 20 | 57 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502780 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43N077037 | 3 | South East | Slight | 5 | 1 | 7 | March | Friday | 18 | 55 | 75 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 492120 | 179810 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R047037 | 3 | South East | Slight | 3 | 1 | 9 | March | Sunday | 10 | 42 | 42 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 500680 | 177740 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00135 | 5 | M25 | Slight | 3 | 1 | 9 | March | Sunday | 11 | 45 | 47 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | Unknown or Unavailable0 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 505480 | 178370 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U034037 | 3 | South East | Slight | 1 | 2 | 10 | March | Monday | 15 | 0 | 60 | 00:00.0 | LM536 | M4 between M4 J14 and M4 J13 (LM536) | B | M4 | M4 J14 to M4 J13 | M4 | Unknown or Unavailable0 | M4 J14 | M4 J13 | M4 J14 to M4 J13 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 443200 | 172860 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R067037 | 3 | South East | Serious | 3 | 1 | 12 | March | Wednesday | 15 | 1 | 60 | 00:00.0 | LM548 | M4 between M4 J11 and M4 J10 (LM548) | B | M4 | M4 J11 to M4 J10 | M4 | Unknown or Unavailable0 | M4 J11 | M4 J10 | M4 J11 to M4 J10 | Unknown | Thames Valley | Berkshire | Wokingham | Berkshire | 472560 | 168670 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00136 | 5 | M25 | Slight | 3 | 2 | 14 | March | Friday | 18 | 10 | 72 | 00:00.0 | LM560 | M4 between M4 J4 and M25 J15 (LM560) | A | M4 | M4 J4 to M25 J15 | M4 | M4 | M4 J4 | M25 J15 | M4 J4 to M25 J15 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507370 | 178600 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00140 | 5 | M25 | Slight | 2 | 1 | 17 | March | Monday | 9 | 25 | 37 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | A408 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507480 | 178820 | M | 4 | Roundabout | Dual-carriageway inc. rdbt & 1-way | 30 | Roundabout | Junction | Give way sign/marks | A | 408 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R086037 | 5 | M25 | Serious | 2 | 2 | 18 | March | Tuesday | 15 | 57 | 63 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 502780 | 178180 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00144 | 5 | M25 | Slight | 3 | 1 | 21 | March | Friday | 6 | 40 | 26 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508350 | 178430 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R104037 | 3 | South East | Slight | 6 | 1 | 21 | March | Friday | 15 | 30 | 62 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 491920 | 179770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00718 | 5 | M25 | Slight | 3 | 3 | 21 | March | Friday | 16 | 20 | 65 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | Unknown or Unavailable0 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177120 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U078037 | 3 | South East | Serious | 2 | 3 | 21 | March | Friday | 17 | 40 | 70 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 461730 | 173850 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00152 | 5 | M25 | Slight | 3 | 2 | 21 | March | Friday | 18 | 35 | 74 | 00:00.0 | LM562 | M4 between M4 J3 and M4 J4 (LM562) | A | M4 | M4 J3 to M4 J4 | M4 | Unknown or Unavailable0 | M4 J3 | M4 J4 | M4 J3 to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 508840 | 178380 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U073037 | 3 | South East | Slight | 2 | 2 | 21 | March | Friday | 19 | 35 | 78 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 449350 | 173410 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - no lighting | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R102037 | 3 | South East | Slight | 2 | 1 | 21 | March | Friday | 20 | 55 | 83 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 494530 | 179670 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43N107037 | 3 | South East | Slight | 1 | 1 | 22 | March | Saturday | 12 | 45 | 51 | 00:00.0 | LM568 | M4 between M4 J7 and M4 J8 (LM568) | A | M4 | M4 J7 to M4 J8 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J8 | M4 J7 to M4 J8 | Unknown | Thames Valley | Buckinghamshire | South Buckinghamshire | Buckinghamshire | 493350 | 179870 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00153 | 5 | M25 | Slight | 3 | 1 | 22 | March | Saturday | 17 | 35 | 70 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507530 | 177060 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Auto traffic signal | M | 4 | None within 50 metres | Footbridge or subway | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R108037 | 3 | South East | Slight | 2 | 3 | 22 | March | Saturday | 18 | 10 | 72 | 00:00.0 | LM532 | M4 between M4 J12 and M4 J11 (LM532) | B | M4 | M4 J12 to M4 J11 | M4 | Unknown or Unavailable0 | M4 J12 | M4 J11 | M4 J12 to M4 J11 | Unknown | Thames Valley | Berkshire | Reading | Berkshire | 471500 | 168690 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | Other object in carriageway |
| 1997 | 01TC00154 | 5 | M25 | Slight | 2 | 1 | 23 | March | Sunday | 8 | 20 | 33 | 00:00.0 | LM558 | M4 between M4 J4A and M4 J4 (LM558) | B | M4 | M4 J4A to M4 J4 | M4 | M4 | M4 J4A | M4 J4 | M4 J4A to M4 J4 | Unknown | Metropolitan Police | Greater London | Hillingdon | London Boroughs & City of London | 507450 | 178440 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 50 | Roundabout | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R111037 | 3 | South East | Slight | 2 | 1 | 24 | March | Monday | 14 | 30 | 58 | 00:00.0 | LM567 | M4 between M4 J7 and M4 J6 (LM567) | B | M4 | M4 J7 to M4 J6 | M4 | Unknown or Unavailable0 | M4 J7 | M4 J6 | M4 J7 to M4 J6 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 493680 | 179940 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MB00277 | 3 | South East | Slight | 2 | 1 | 24 | March | Monday | 20 | 25 | 81 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Kennet | Wiltshire | 425900 | 179400 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Darkness - lights unlit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R114037 | 5 | M25 | Slight | 2 | 2 | 25 | March | Tuesday | 11 | 42 | 46 | 00:00.0 | LM529 | M4 between M25 J15 and M4 J5 (LM529) | A | M4 | M25 J15 to M4 J5 | M4 | Unknown or Unavailable0 | M25 J15 | M4 J5 | M25 J15 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 504150 | 178360 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 54MA00297 | 3 | South East | Slight | 4 | 1 | 25 | March | Tuesday | 13 | 15 | 53 | 00:00.0 | LM538 | M4 between M4 J15 and M4 J14 (LM538) | B | M4 | M4 J15 to M4 J14 | M4 | Unknown or Unavailable0 | M4 J15 | M4 J14 | M4 J15 to M4 J14 | Unknown | Wiltshire | Wiltshire | Swindon | Wiltshire | 423600 | 180200 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 01TC00166 | 5 | M25 | Slight | 3 | 1 | 25 | March | Tuesday | 18 | 25 | 73 | 00:00.0 | LM555 | M4 between M4 J2 and M4 J1 (LM555) | B | M4 | M4 J2 to M4 J1 | M4 | Unknown or Unavailable0 | M4 J2 | M4 J1 | M4 J2 to M4 J1 | Unknown | Metropolitan Police | Greater London | Hounslow | London Boroughs & City of London | 519460 | 178270 | M | 4 | Dual carriageway - 2 lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43U079037 | 3 | South East | Slight | 3 | 1 | 26 | March | Wednesday | 8 | 30 | 34 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | Unknown or Unavailable0 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 453380 | 174030 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - no lighting | Daylight | Raining no high winds | Raining | Wet or damp | None | None |
| 1997 | 43R120037 | 3 | South East | Slight | 2 | 1 | 26 | March | Wednesday | 19 | 46 | 79 | 00:00.0 | LM534 | M4 between M4 J13 and M4 J12 (LM534) | B | M4 | M4 J13 to M4 J12 | M4 | M4 | M4 J13 | M4 J12 | M4 J13 to M4 J12 | Unknown | Thames Valley | Berkshire | West Berkshire | Berkshire | 464880 | 171770 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Slip road | Junction | Give way sign/marks | M | 4 | None within 50 metres | Unknown or Unavailable | Darkness - lights lit | Darkness | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R136037 | 3 | South East | Slight | 2 | 1 | 27 | March | Thursday | 6 | 30 | 26 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Slough | Berkshire | 497750 | 178970 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |
| 1997 | 43R133037 | 3 | South East | Slight | 2 | 1 | 27 | March | Thursday | 8 | 30 | 34 | 00:00.0 | LM565 | M4 between M4 J6 and M4 J5 (LM565) | B | M4 | M4 J6 to M4 J5 | M4 | Unknown or Unavailable0 | M4 J6 | M4 J5 | M4 J6 to M4 J5 | Unknown | Thames Valley | Berkshire | Windsor and Maidenhead | Berkshire | 498360 | 178230 | M | 4 | Dual carriageway - 3+ lanes | Dual-carriageway inc. rdbt & 1-way | 70 | Not at junction or within 20 metres | Not at junction or within 20 metres | Unknown or Unavailable | Unknown or Unavailable | 0 | None within 50 metres | Unknown or Unavailable | Daylight - lights present | Daylight | Fine no high winds | Fine | Dry | None | None |