class="gem-c-govspeak govuk-govspeak gem-c-govspeak--direction-ltr govuk-!-margin-bottom-0">
CGN0404:
CGN0405:
CGN0503:
CGN0504:
Road congestion and travel times
Email congestion.stats@dft.gov.uk
Media enquiries 0300 7777 878
All tables have been updated to include data to September 2025.
Data for April to June 2024 have been added, and revisions have been made to the series following agreements with suppliers to improve consistency going forward.
Data up to March 2024 has been added to all tables.
Data tables have been updated to include data up to December 2023. Over 2023 the congestion statistics processing was transferred to a new software enabling greater precision and accuracy in calculations and imputation of the production of statistical values. This has led to minor revisions for the whole Local 'A' CGN05 time series.A historical methodological error when transferring processing to a new software at the sub-national geography level affected the SRN data. This accounts for the minor revisions in the CGN04 tables b-e.
The latest data for October 2023 through September 2023 have been added to the data tables.
Data tables updated for the latest release.
Data tables have been updated to include data up to March 2023.
The tables have been updated to include data from January 2019 to December 2022
Data tables updated for the travel time measures for SRN and local 'A' roads for October 2021 to September 2022.
The tables have been updated to include data up to June 2022.
Data tables updated for the travel time measures for SRN and local 'A' roads for April 2021 to March 2022.
Data tables updated for the 2021 travel time measures report.
New data tables created to reflect changes to the data provider.
Data tables updated for April 2020 to March 2021 travel time measures report.
Data tables updated for the 2020 travel time measures report.
Data tables updated for year ending September 2020 statistics release.
Data tables updated for year ending June 2020 sta