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On time reliability data table: April 2010 to March 2015
Updated 11 June 2015
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| Department for Transport statistics | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Road Congestion Statistics | Not set | Latest statistical release for Reliability statistics | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Table CGN0104 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| NOTE: We are planning to change the methodology used for calculating the reliability statistics for Highways Agency (now Highways England) roads. As a result, this table will not contain any new statistics after the March 2015 data. Reliability statistics using this new methodology are expected to be published in new tables from August 2015. | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Percentage of journeys¹ on Highways Agency roads that are 'on time' ²: monthly and annual averages from 2010/11 | 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 | percentage of journeys 'on time' | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Month | Year ending | Monthly | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| April 2010 | .. | 83.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| May 2010 | .. | 83.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| June 2010 | .. | 82.2 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| July 2010 | .. | 80.8 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| August 2010 | .. | 79.0 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| September 2010 | .. | 79.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| October 2010 | .. | 78.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| November 2010 | .. | 74.8 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| December 2010 | .. | 67.0 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| January 2011 | .. | 77.8 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| February 2011 | .. | 78.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| March 2011 | 79.2 | 83.9 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| April 2011 3 | 79.3 | 85.0 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| May 2011 | 79.4 | 84.1 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| June 2011 | 79.4 | 82.3 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| July 2011 | 79.5 | 81.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| August 2011 | 79.7 | 81.2 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| September 2011 | 79.9 | 81.9 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| October 2011 | 80.0 | 80.5 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| November 2011 | 80.4 | 78.9 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| December 2011 | 81.1 | 76.1 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| January 2012 | 81.3 | 80.8 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| February 2012 | 81.5 | 81.0 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| March 2012 | 81.5 | 83.9 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| April 2012 3 | 81.1 | 80.1 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| May 2012 | 81.0 | 82.9 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| June 2012 | 80.7 | 79.4 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| July 2012 | 80.5 | 78.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| August 2012 | 80.2 | 78.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| September 2012 | 79.8 | 77.4 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| October 2012 | 79.5 | 76.4 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| November 2012 | 79.0 | 73.3 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| December 2012 4 | 78.6 | 70.1 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| January 2013 | 78.0 | 73.5 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| February 2013 | 77.6 | 76.0 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| March 2013 | 77.1 | 77.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| April 2013 3 | 77.2 | 81.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| May 2013 | 77.0 | 80.2 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| June 2013 | 77.2 | 81.2 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| July 2013 | 77.3 | 80.2 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| August 2013 | 77.3 | 78.5 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| September 2013 | 77.4 | 78.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| October 2013 | 77.4 | 75.8 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| November 2013 | 77.5 | 74.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| December 2013 | 77.8 | 74.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| January 2014 | 78.0 | 75.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| February 2014 | 78.0 | 76.1 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| March 2014 | 78.1 | 78.8 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| April 2014 3 | 78.0 | 80.8 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| May 2014 | 78.1 | 81.0 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| June 2014 | 78.2 | 82.4 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| July 2014 | 78.2 | 80.0 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| August 2014 | 78.1 | 77.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| September 2014 | 78.3 | 81.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| October 2014 | 78.4 | 76.7 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| November 2014 | 78.5 | 75.3 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| December 2014 | 78.6 | 76.2 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| January 2015 | 78.7 | 76.6 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| February 2015 | 78.6 | 76.1 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| March 2015 | 78.7 | 79.9 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Key | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| p = provisional | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Source: Highways Agency Traffic Information System (HATRIS) Database | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Notes | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| 1. 'Journeys' are defined as travel between adjacent junctions on the network. | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| 2. An 'on time journey' is defined as one completed within a set reference time, drawn from historic data on that section of road. | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| 3. Reference times are updated for the April data each year. Further information on the impact of updating reference times can be found in the latest statistical release. | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| 4. Data to December 2012 were revised in March 2013 as a result of the implementation of planned methodology changes | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Last updated: 11 June 2015 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Next update: Reliability statistics using the new method are expected to be published in new tables from August 2015. | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Telephone: 020 7944 4427 | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Email: congestion.stats@dft.gsi.gov.uk | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |