Statistical data set

Average speed, delay and reliability of travel times (CGN)

Data on the average speed, delay and reliability of travel times on the Strategic Road Network (SRN) and local 'A' roads, produced by Department for Transport.

Average speed, delay and reliability of travel times on SRN (CGN04)

CGN0401: Average speed on the Strategic Road Network in England: monthly (ODS, 7.18KB)

CGN0402: Average delay on the Strategic Road Network in England: monthly (ODS, 7.52KB)

CGN0403: Reliability of travel times on the Strategic Road Network in England: monthly (ODS, 7.77KB)

Average speed and delay on local ‘A’ roads (CGN05)

CGN0501: Average speed on local ‘A’ roads: monthly and annual averages (ODS, 23.6KB)

CGN0502: Average delay on local ‘A’ roads: monthly and annual averages (ODS, 26.2KB)

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Road congestion and travel times

Published 19 July 2018
Last updated 20 September 2018 + show all updates
  1. Data tables updated for the year ending June 2018.
  2. First published.