What should you do?
Use the distance to plan when to slow down and change lanes.
How to recognise it
White rectangular plate with a black border showing a distance, for example 200 m.
Common confusion
It shows the distance to the hazard, while the length plate shows how long the hazard lasts.
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.
