What should you do?
Adjust your speed to the new limit and watch for junctions, cyclists and pedestrians.
How to recognise it
A blue square with a white motorway symbol crossed by a red diagonal bar, with no distance plate.
Common confusion
Without a distance plate, this marks the actual end of the motorway.
Explanation written by the My Driving Test editorial team using the Department of Transport Traffic Signs Manual conventions and the RSA Rules of the Road.
