Guidance

Road length statistics information

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

From:
Department for Transport
Published
10 March 2022
Last updated
20 February 2025 — See all updates

Applies to England, Scotland and Wales

Documents

Road lengths in Great Britain statistics: Notes and definitions

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Road lengths in Great Britain statistics: Methodology and quality note

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Road length statistics: pre-release access

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Details

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

Updates to this page

Published 10 March 2022
Last updated 20 February 2025 + show all updates

  1. Documents updated for the latest road lengths release.

  2. Methodology note, notes and definitions and pre-release access list updated for 2023 report.

  3. Methodology note and pre-release access list updated.

  4. First published.

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