13 December 2023
Data table for the percentage of data imputed for travel time statistics on the local 'A' road network, by month has been updated.
27 September 2023
Data table for the percentage of data imputed for travel time statistics on the local 'A' road network, by month updated with the latest data.
14 June 2023
The percentage of data imputed for travel time statistics on the local 'A' road network, by month' table has been updated to include data from April 2022 to March 2023.
9 March 2023
The 'Percentage of data imputed for travel time statistics on the local 'A' road network, by month' table has been updated to include data from January 2019 to December 2022
14 December 2022
The local A road imputation table has been updated to included data to September 2022.
8 September 2022
The 'Percentage of data imputed for travel time statistics on the local 'A' road network, by month' has been updated to include data to June 2022.
29 June 2022
A new HTML document discussing the impact of the coronavirus (COVID-19) pandemic on flow weighting has been added.
16 March 2022
A new background quality report has been produced to reflect the change in data suppliers and data processes.
2 March 2022
Percentage of data imputed for travel time statistics on the local 'A' road network, by month data table updated.
14 December 2021
New methodology added.
8 July 2021
SRN and local 'A' roads imputation tables updated for the year ending March 2021. Pre-release access document updated.
25 February 2021
SRN and local 'A' roads imputation tables updated for the year ending December 2020 and pre-release access document updated.
3 December 2020
SRN and local 'A' roads imputation tables updated for the year ending September 2020.
16 September 2020
Pre-release access page added, SRN and local 'A' roads imputation tables updated for the year ending June 2020.
18 June 2020
SRN and local 'A' roads imputation tables updated for the year ending March 2020.
5 March 2020
National Statistics designation page for road reliability and congestion added. Data tables for the Strategic Road Network and local 'A' roads updated for the 2019 travel time measures report.
19 September 2019
Updated imputation tables for 'Travel time measures for the Strategic Road Network and local ‘A’ roads: July 2018 to June 2019'.
13 June 2019
SRN and local 'A' roads imputation tables updated for the year ending March 2019.
28 February 2019
SRN and local 'A' roads imputation tables updated for the 2018 report.
13 December 2018
Local roads and SRN monthly data tables updated for the year ending September 2018.
20 September 2018
Local roads and Strategic Road Network monthly data tables updated for the year ending June 2018.
19 July 2018
Local roads and SRN monthly data tables updated.
28 February 2018
Local roads and SRN monthly data tables updated for the year ending December 2017.
30 November 2017
Local roads and SRN monthly data documents updated.
14 September 2017
Local roads and SRN monthly data documents updated.
18 May 2017
Local roads and SRN monthly data documents updated.
23 February 2017
SRN, Highways England and local speed data documents updated.
24 November 2016
Local roads and SRN monthly data documents updated.
25 August 2016
Local roads and SRN monthly data documents updated.
11 August 2016
First published.