Statistical data set

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

Average speed, delay and reliability of travel times tables, produced by Department for Transport.

Table CGN0401

Average speed on the Strategic Road Network in England: monthly from April 2015 (ODS, 6.76KB)

Table CGN0402

Average delay on the Strategic Road Network in England: monthly from April 2015 (ODS, 6.91KB)

Table CGN0403

Reliability of travel times on the Strategic Road Network in England: monthly from April 2015 (ODS, 7.36KB)

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Road congestion and travel times

Published 17 December 2015
Last updated 30 November 2017 + show all updates
  1. Tables updated to include latest data for the year ending September 2017.
  2. Tables updated to include latest data for the year ending June 2017.
  3. Tables updated to include latest data for the year ending March 2017.
  4. Tables updated to include latest data for the year ending December 2016.
  5. Tables updated with the latest data for year ending September 2016.
  6. Tables updated to include latest data for the year ending June 2016.
  7. Tables updated to the latest figures for March 2016.
  8. Tables updated to include data for December 2015.
  9. Tables updated for release.
  10. First published.