Collection

Road network size and condition

This series brings together all documents relating to road network size and condition statistics

See all statistics published by DfT

The Department for Transport produces a range of statistics relating to the Great Britain’s road network size and condition:

  • Road length statistics
  • Road condition statistics

Further information on each of these topics is given below:

Road length statistics

Road length statistics provide estimates of the length of all roads maintained at public expense in Great Britain, by road category and region.

Road condition statistics

Road condition statistics provides information on the condition of local authority road, motorways and trunk roads in England.

Contact us

Road condition statistics

Road length statistics

Technical information

Guide to road network size and condition statistics

National statistics

Road length statistics was assessed by the UK Statistics Authority and confirmed as National Statistics in February 2013.

Assessment report
Letter of confirmation

With the exception of the tables listed below, road condition statistics are National Statistics. These statistics were assessed by the UK Statistics Authority and confirmed as National Statistics in December 2010.

Assessment report
Letter of confirmation

The following tables are provided by other bodies are not designated as National Statistics:

  • RDC0130, RDC0131 (condition of unclassified roads) supplied by the Association of Directors of Environment, Planning and Transportation (ADEPT)
  • RDC0201, RDC0210 (trunk roads) Supplied by the Highways Agency

These tables are considered to be official statistics. The department’s view is that these statistics are robust and have been produced to a suitable standard. They are provided to give extra context.

Pre-release access list

The post holders given access to these statistics up to 24 hours prior to release are available in the pre-release access list.

Road network size and condition pre-release access list

Publications released during 2013

  1. Road lengths in Great Britain: 2012

    • 27 June 2013
    • Statistics - national statistics
  2. Road conditions in England: 2012

    • 28 February 2013
    • Statistics - national statistics

Publications released during 2012

  1. Road lengths statistics in Great Britain: 2011

    • 28 June 2012
    • Statistics - national statistics
  2. Road conditions in England: 2011

    • 31 May 2012
    • Statistics - national statistics

Publications released during 2011

  1. Road lengths 2010

    • 30 June 2011
    • Statistics - national statistics

Data tables associated with this series

  1. The condition of local authority managed roads (RDC01)

    • 10 November 2012
    • Statistical data set
  2. The condition of trunk roads (RDC02)

    • 10 November 2012
    • Statistical data set
  3. Road conditions: Contextual information (RDC03)

    • 10 November 2012
    • Statistical data set
  4. Road construction and taxation (RDE01)

    • 12 December 2013
    • Statistical data set
  5. Road lengths (miles) (RDL01)

    • 27 June 2013
    • Statistical data set
  6. Road lengths (kilometres) (RDL02)

    • 27 June 2013
    • Statistical data set

Help us improve GOV.UK

Please don't include any personal or financial information, for example your National Insurance or credit card numbers.