Statistics on the strategic road network incorporating reliability of journeys on Highways Agency roads in England.
For individual months between April and September 2015:
- the average speed on the Strategic Road Network (SRN) ranged from 58.8mph to 60.6mph
- the average delay on the SRN in England ranged between 7.9 and 9.4 seconds per vehicle per mile
- the reliability of travel times on the SRN in England ranged from 58% to 69% additional time needed on average on individual road sections to ensure on time arrival
Road congestion and travel times
SRN travel time measures 020 7944 4427
Local congestion and speeds 020 7944 6579