National statistics

Road lengths in Great Britain: 2021

Road length statistics for publicly maintained roads in Great Britain for the year 2021.

• From: Department for Transport
• Published: 10 March 2022

Documents

Road lengths in Great Britain: 2021

Road lengths in Great Britain: 2021 data tables

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Details

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

Contact us

Road length statistics

Email road.length@dft.gov.uk

Media enquiries 0300 7777 878

Published 10 March 2022