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Road Traffic

Volume 470: debated on Friday 25 January 2008

To ask the Secretary of State for Transport what the average delay was on England’s motorways and trunk roads, expressed in minutes per 10 miles, in respect of (a) all journeys and (b) the slowest 10 per cent. of journeys in each year since 1997. (180959)

[holding answer 22 January 2008]: The average delay on England’s motorways and trunk roads, expressed in minutes per 10 miles in respect of all journeys and the worst 10 per cent. of journeys in each year since 2004-05 is shown in the following table. The earliest available data are for the period August 2004 to July 2005 and the latest for November 2006 to October 2007. Data before 2004-05 are not held centrally on this basis.

Average delay on England’s motorways and trunk roads for all journeys and worst 10 per cent. respectively, for each year since 2004-05 (minutes per 10 miles)

Average delay (minutes per 10 miles)

All journeys

Worst 10 per cent.

August 2004 to July 2005

1.16

3.78

August 2005 to July 2006

1.24

3.78

August 2006 to July 2007

1.32

4.18

November 2006 to October2007

1.29

4.08

Source:

Information derived from the Highways Agency Traffic Information Systems database

These figures represent average daytime delays (6 am to 8 pm) on the 91 routes currently used for monitoring performance on the strategic road network.

Delay is the difference between observed journey time and a reference journey time (the time that could theoretically be achieved when the traffic is free flowing).