In England and Wales, what’s the national speed limit on a single carriageway road for a rigid lorry with a maximum authorised mass of more than 7.5 tonnes?

Explanation: In England and Wales, vehicles exceeding 7.5 tonnes maximum authorised mass are restricted to a maximum of 50 mph on single carriageway roads. In Scotland, this speed limit is 40 mph.

Category: Vehicle Weights and Dimensions

References: Highway Code: Page 40, Highway Code: Rule 124