FOI release
Bridge headrooms - M25
Updated 15 August 2019
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| Structure Key | Structure No. | Structure Name | Route | Markerpost | A/B carriageway (A = clockwise, B = anti-clockwise) | Structure Type | Headrooms (H/S is Hard Shoulder) - Heights in metres | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Clockwise Carriageway | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Anti-Clockwise Carriageway | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Other | H/S | Slip 1 | Slip 2 | Slip 3 | H/S | Lane 1 | Lane 2 | Lane 3 | Lane 4 | Lane 5 | Lane 6 | Other | H/S | Slip 1 | Slip 2 | H/S | Lane 1 | Lane 2 | Lane 3 | Lane 4 | Lane 5 | Lane 6 | Not set | Not set | Not set | Not set |
| M25 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Junction 10 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | 10/M25//72.20/S/ | Sign Gantry 1B | M25 | 72.2 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /A3//38.70/A/ | Wisley I/C East | M25 | 12.7 | Both | Bridge | Not set | Not set | Not set | Not set | Not set | 5.42 | 5.46 | - | 5.45 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | 5.38 | 5.45 | - | 5.52 | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /A3//38.60// | Wisley I/C A3 | M25 | 12.7 | Both | Bridge | Not set | Not set | Not set | Not set | Not set | 11.62 | 11.56 | - | 11.52 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | 11.19 | 11.27 | - | 11.37 | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /A3//38.70/C/ | Wisley I/C West | M25 | 12.8 | Both | Bridge | Not set | Not set | Not set | Not set | Not set | 5.73 | 5.69 | - | 5.67 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | 5.43 | 5.51 | - | 5.64 | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//72.70/S/ | Gantry M25 72.7 | M25 | 72.7 | B | Portal Gantry | N/A | N/A | N/A | N/A | Not set | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Jct 10 - Jct 11 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//73.10// | Clearmont F/B Fp | M25 | 73.3 | Both | Footbridge | N/A | N/A | 5.46 | N/A | Not set | N/A | 5.47 | 5.49 | 5.53 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.67 | 5.65 | 5.64 | 5.62 | 5.63 | N/A | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//73.40/S/ | Gantry M25/73.4 | M25 | 73.4 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//73.70//1 | Buxton Wood F/B Fp7 | M25 | 73.8 | Both | Footbridge | N/A | N/A | N/A | N/A | Not set | 5.06 | 5.27 | 5.44 | 5.59 | 5.70 | N/A | N/A | N/A | 5.17 | 5.32 | N/A | N/A | 5.46 | 5.56 | 5.64 | N/A | N/A | N/A | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//74.10/S/ | Gantry M25/74.1 | M25 | 74.2 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//74.80/S/ | Gantry M25/74.8 | M25 | 74.9 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | 5.93 | 6.05 | 6.18 | - | 6.43 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | 6.63 | 6.53 | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//75.00// | Murray'S Lane | M25 | 75.1 | Both | Bridge | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//75.60/S/ | Gantry M25/75.6 | M25 | 75.7 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//75.80// | Parvis Road A245 | M25 | 75.9 | Both | Bridge | N/A | N/A | N/A | N/A | Not set | - | - | - | - | - | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.33 | 5.33 | 5.33 | 5.31 | N/A | N/A | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//76.40/S/ | Gantry M25/76.4 | M25 | 76.5 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//77.60/S/ | Gantry M25/77.6 | M25 | 77.7 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//78.50/S/ | Gantry M25/78.5 | M25 | 78.5 | Both | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//79.00// | Liberty Lane Footbridge | M25 | 79.1 | Both | Footbridge | N/A | N/A | N/A | N/A | Not set | 5.48 | 5.66 | 5.87 | 6.02 | 5.85 | N/A | N/A | N/A | N/A | N/A | N/A | 5.70 | 5.89 | 6.02 | 6.09 | 5.87 | N/A | N/A | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//79.30/S/ | Gantry M25/79.3 | M25 | 79.3 | A | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//79.30//1 | Church Road B3121 | M25 | 79.4 | Both | Bridge | N/A | N/A | N/A | N/A | Not set | - | 5.30 | 5.29 | 5.31 | 5.32 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.33 | 5.30 | 5.28 | 5.26 | N/A | N/A | Not set | Not set | Not set | Not set |
| Not set | Not set | /M25//79.40/S/ | Gantry M25/79.4 | M25 | 79.4 | B | Portal Gantry | N/A | N/A | N/A | N/A | Not set | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Junction 11 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | 11/M25//79.80/S/ | Gantry M25/79.8 | M25 | 79.9 | A | Portal Gantry | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Not set | Not set | Not set | Not set |
| Not set | Not set | 11/M25//80.10// | Chertsey I/C South | M25 | 80.1 | Both | Bridge | Not set | Not set | Not set | Not set | Not set | 5.91 | 5.83 | 5.75 | 5.67 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | 5.30 | 5.38 | 5.47 | 5.58 | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | 11/M25//80.20// | Chertsey I/C North | M25 | 80.3 | Both | Bridge | Not set | Not set | Not set | Not set | Not set | 5.97 | 5.88 | 5.77 | 5.59 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | 5.64 | 5.74 | 5.84 | 5.95 | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | 11/M25//80.50// | Green Lane | M25 | 80.5 | Both | Bridge | Not set | Not set | 5.40 | 5.44 | Not set | 5.63 | 5.66 | 5.65 | 5.41 | Not set | Not set | Not set | Not set | Not set | 5.16 | 5.22 | 5.41 | 5.49 | 5.53 | 5.58 | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | 11/M25//80.60/S/ | Gantry 80.6/S | M25 | 80.6 | B | Portal Gantry | N/A | N/A | N/A | N/A | Not set | N/A | N/A | N/A | N/A | N/A | N/A | N/A | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |