Road lengths in Great Britain: 2025
Road length estimates for Great Britain as of April 2025.
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Our statistical practice is regulated by the Office for Statistics Regulation (OSR). OSR sets the standards of trustworthiness, quality and value in the Code of Practice for Statistics that all producers of official statistics should adhere to. You are welcome to contact us directly by emailing road.length@dft.gov.uk with any comments about how we meet these standards.
Statistics on publicly maintained roads in Great Britain for the year 2025.
In 2025, the total length of roads in Great Britain was estimated to be 247,200 miles.
There were 32,000 miles of major road in Great Britain in 2025, consisting of:
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2,300 miles of motorway (98.9% centrally managed, 1.1% locally managed)
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29,700 miles of ‘A’ road (18.4% centrally managed, 81.6% locally managed)
There were 215,200 miles of minor road in Great Britain in 2025, consisting of:
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18,900 miles of ‘B’ road
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196,300 miles of ‘C and U’ road
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Road length statistics
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