What should you do?
Reduce speed and be ready for workers, machinery or changes in the road surface.
How to recognise it
A road works plate with the word SLOW.
Common confusion
It is a plate added to a warning sign, not a speed limit; slow down to a safe speed for the conditions.
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.
