Statistics

Congestion on local authority managed 'A' roads: 2011/12

Information about congestion on local authority managed ‘A’ roads in England for September 2011 to July 2012.

Documents

Congestion on local authority managed 'A' roads 2011/12 release

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Congestion on local authority managed 'A' roads 2011/12 release and XLS tables

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Detail

This statistical release finalises the statistics for 2011/12 (September 2011 to July 2012). It also presents provisional congestion statistics for September 2012.

Main points

  • the average speed achieved during the weekday morning peak on locally managed ‘A’ roads in England between September 2011 and July 2012 was 25.3 mph - this is 0.8% faster than the average speed observed last year, and 2.6% faster than the average speed achieved during 2006/07
  • the largest speed increases relative to last year were observed in November 2011, December 2011 and January 2012, whereas April 2012 and July 2012 saw drops in average speed when compared to last year’s figures
  • provisionally, the average speed achieved over the morning peak during September 2012 was 25.1 mph, 1.2% slower than the previous September

Technical information

Information on road congestion and reliability statistics, including the pre-release access list and related technical documentation can be found here.

Road congestion and reliability statistics enquiries