Guidance

Road condition statistics: Technical note

Guide to road condition statistics and technical information.

• From: Department for Transport
• Published: 17 December 2024
• Last updated: 21 January 2026 — See all updates

Applies to England

Documents

Section 1: introduction and reporting of road condition

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Section 2: measuring surface condition using automated visual methods

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Section 3: measuring surface condition using manual visual surveys

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Section 4: measuring skid resistance

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Section 5: measuring road structural condition

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Section 6: glossary of technical terms

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Details

Guide to road condition statistics and technical information.

Published 17 December 2024

Last updated 21 January 2026 + show all updates

1. 21 January 2026

   Technical note for Road conditions in England to March 2025 updated.

2. 17 December 2024

   First published.