Guidance

Road condition statistics information

Guide to road condition statistics, source documents, accompanying notes, definitions and supporting technical documents.

• From: Department for Transport
• Published: 29 August 2013
• Last updated: 21 January 2026
  Show all updates

  1. 21 January 2026

     Guidance updated for Road conditions in England to March 2025.

  2. 17 December 2024

     The basic guide and quality assessment document and notes and definitions updated.

  3. 23 November 2023

     Notes and definitions updated and the quality assessment guide added.

  4. 10 November 2021

     Road conditions notes and definitions, guide and technical note updated for the March 2020 to 2021 report.

  5. 23 January 2020

     Road length notes and definitions and methodology documents updated for the 2019 report.

  6. 17 December 2019

     Guidance to maintenance expenditure for Table RDC0310 added to the information page.

  7. 3 October 2019

     Road condition guide and technical note updated for the Road conditions in England to March 2019 report.

  8. 14 May 2019

     Road length notes, definitions and methodology documents updated for the 2018 annual release.

  9. 31 January 2019

     Road conditions notes and definitions and guide documents updated for 2018 release.

  10. 5 July 2018

      Notes and definitions and methodology documents updated for the road length statistics 2017 release.

  11. 18 January 2018

      Guidance documents updated for the 2017 road conditions report.

  12. 27 April 2017

      Road length guidance documents updated.

  13. 23 March 2017

      Guidance documents updated for the 2016 road conditions report.

  14. 19 May 2016

      Road length notes and methodology documents updated.

  15. 24 March 2016

      Road condition guidance documents updated for 2015.

  16. 5 March 2015

      Road conditions documents updated.

  17. 29 August 2013

      First published.

Applies to England

Documents

Road condition statistics - a basic guide and quality assessment

HTML

Road conditions: notes and definitions

HTML

Road condition statistics: Technical note

https://www.gov.uk/government/publications/road-condition-statistics-technical-note

Guidance to maintenance expenditure: Table RDC0310

HTML

Details

Road condition statistics guide explaining notes, definitions, sources plus support technical material.

For information on road lengths, please visit this web page.