What is the national speed limit for cars and motorcycles on a dual carriageway?

Explanation: Ensure that you know the speed limit for the road that you're on. The speed limit on a dual carriageway or motorway is 70 mph for cars and motorcycles, unless there are signs to indicate otherwise. The speed limits for different types of vehicles are listed in The Highway Code.

Category: Rules of the Road

References: Highway Code: Page 40