Reliability of journeys on Highways Agency's motorway and 'A' road network: December 2011
| Publisher: | Department for Transport |
| Published date: | 9 February 2012 |
| Type: | Release |
| Series: | Congestion and reliability |

Summary
This statistical release presents information about the reliability of journeys on motorways and ‘A’ roads managed by the Highways Agency during December 2011.
Download the full release
Download the full release and all tables
- Reliability of journeys on Highways Agency’s motorway and ‘A’ road network: December 2011 and all XLS tables (ZIP – 49 KB)
- Reliability of journeys on Highways Agency’s motorway and ‘A’ road network: December 2011 CSV tables (ZIP – 1 KB)
Key points
- In the year ending December 2011, provisional data shows that 83.5 per cent of journeys on the Highways Agency managed network were ‘on time’. This is 0.9 percentage points higher than the year ending November 2011.
- Provisional data shows that 79.1 per cent of journeys on the Highways Agency network during December 2011 were ‘on time’, up 10.7 percentage points from December 2010.
- While the recent increases in reliability will be heavily influenced by the better weather experienced during November and December 2011 than 2010, the percentage of journeys ‘on time’ has generally been on an upward trend over the last 10 months.
Browse statistical tables related to this series
Technical information
Information on congestion and reliability statistics, including the pre-release access list, and related technical documentation are available at:
Contact us
- congestion.stats@dft.gsi.gov.uk
- Phone: 020 7944 4427










