Guidance
Road length statistics information
Guide to road length statistics, source documents, accompanying notes, definitions and supporting technical documents.
Applies to England, Scotland and Wales
Documents
Details
Road length statistics guide explaining notes, definitions, sources plus support technical material.
Updates to this page
Published 10 March 2022
Last updated 12 February 2026
show all updates
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The methodology note has been updated to include information about Combined Authorities and Subnational Transport Bodies.
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Documents updated for the latest road lengths release.
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Methodology note, notes and definitions and pre-release access list updated for 2023 report.
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Methodology note and pre-release access list updated.
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First published.