What is the national speed limit for a car on a single carriageway?
The national speed limit for a car on a single carriageway is 60 mph, unless signs indicate a lower speed limit. A single carriageway is a road where there is no physical central reservation separating traffic travelling in opposite directions. The number of lanes does not determine whether a road is a single or dual carriageway.
Remember that 60 mph is a maximum, not a target. You should always drive at a speed that is safe for the road, traffic and weather conditions. Bends, junctions, pedestrians, cyclists, poor visibility or wet and icy roads may mean you need to travel considerably slower than the posted or national speed limit.
Quick Self-Test
You are driving a car on a single carriageway displaying the national speed limit sign. What is the maximum speed limit?
A) 40 mph
B) 50 mph
C) 60 mph
D) 70 mph