Department For Transport
On the Strategic Road Network (SRN) up to June 2020, the average delay is estimated to be 8.6 seconds per vehicle per mile compared to speed limits, an 8.5% decrease compared to the year up to June 2019.
The average speed is estimated to be 59.6 mph, 1.0% up on the year ending June 2019.
In the year to June 2020, 59.7% of additional time was needed compared to speed limits, on average, on individual road sections of the SRN to ensure on time arrival. This is down 7.1 percentage points compared to the year ending June 2019, so on average a much lower proportion of additional time is required.
On local A roads up to June 2020, the average delay is estimated to be 37.6 seconds per vehicle per mile compared to free flow. This is a decrease of 13.0% on the year ending June 2019.
The average speed is estimated to be 26.3 mph. This is an increase of 3.5% on the year ending June 2019.
Please note that figures for the SRN and local A roads are not directly comparable.
Further analysis on the impact of the coronavirus (COVID-19) pandemic on the road network across the delay and speed statistics can be found in the HTML report.
Road congestion and travel times
SRN and local 'A' roads travel time measures 020 7944 3095