Accredited official statistics
Road lengths in Great Britain: 2021
Road length statistics for publicly maintained roads in Great Britain for the year 2021.
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Statistics on publicly maintained roads in Great Britain for the year 2021.
In 2021, the total length of roads in Great Britain was estimated to be 247,800 miles.
There were 31,900 miles of major road in Great Britain in 2021, consisting of:
- 2,300 miles of motorway (99% trunk, 1% principal)
- 29,500 miles of ‘A’ road (18% trunk, 82% principal)
There were 216,000 miles of minor road in Great Britain in 2021, consisting of:
- 18,900 miles of ‘B’ road
- 197,100 miles of ‘C’ and ‘U’ roads
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Road length statistics
Email road.length@dft.gov.uk
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Updates to this page
Published 10 March 2022