Travel time measures for the Strategic Road Network and local ‘A’ roads: April 2024 to March 2025
Congestion on the Strategic Road Network (motorways and ‘A’ roads managed by National Highways), and on locally managed ‘A’ roads for April 2024 to March 2025.
Applies to England
Documents
Details
Our statistical practice is regulated by the Office for Statistics Regulation (OSR). OSR sets the standards of trustworthiness, quality and value in the Code of Practice for Statistics that all producers of official statistics should adhere to. You are welcome to contact us directly by emailing congestion statistics with any comments about how we meet these standards.
On the Strategic Road Network (SRN) for the year ending March 2025, the average delay is estimated to be 11.8 seconds per vehicle per mile (spvpm), compared to free flow, an 11.3% increase on year ending March 2024.
The average speed is estimated to be 55.8 mph for the year ending March 2025, down 1.9% from March 2024.
On local ‘A’ roads for the year ending March 2025, the average delay is estimated to be 47.9 seconds per vehicle per mile (spvpm) compared to free flow. This is up 2.4% on year ending March 2024.
The average speed is estimated to be 23.1 mph for the year ending March 2025, down 1.3% on year ending March 2024.
Contact us
Road congestion and travel times
Email congestion.stats@dft.gov.uk
Media enquiries 0300 7777 878
To hear more about DfT statistical publications as they are released, follow us on X at DfTstats.