Travel time measures for the Strategic Road Network and local ‘A’ roads: April 2022 to March 2023
Congestion on the Strategic Road Network (motorways and ‘A’ roads managed by Highways England), and on locally managed ‘A’ roads for the year ending March 2023.
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On the Strategic Road Network (SRN) for the year ending March 2023, the average delay is estimated to be 9.5 seconds per vehicle per mile (spvpm), compared to free flow, an 8.0% increase on year ending March 2022.
The average speed is estimated to be 57.9 mph for the year ending March 2023, down 1.2% from March 2022.
On local ‘A’ roads for the year ending March 2023, the average delay is estimated to be 45.9 seconds per vehicle per mile (spvpm) compared to free flow. This is down 0.4% on year ending March 2022.
The average speed is estimated to be 23.6 mph for the year ending March 2023, down 0.8% on year ending March 2022.
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Road congestion and travel times
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