An average delay of nine seconds per mile on the strategic road network (SRN) was a 1.3 per cent increase on the figures for the year up to the end of March 2016.
Average speed on the SRN - the motorways and ‘A’ roads managed by Highways England - also fell. Between July 2015 and June 2016, the average speed was 59.2mph, a 0.2 per cent decrease on the previous figures.
The reliability of travel times on the SRN also fell, with 68 per cent more time needed to ensure on time arrival - a 2 per cent increase on the previous quarter.
The average delay on local ‘A’ roads in England in the year ending June 2016 saw a year-on-year increase of 3.8 per cent to 45.2 seconds per vehicle per mile, with average speed consequently down 1.5 per cent on the year ending June 2015.