What should you do?
If leaving the motorway, be in the left lane and signal left, ready to enter the slip road.
How to recognise it
A blue rectangle with three white diagonal bars.
Common confusion
The number of bars counts down: three bars mean 300m, one bar means 100m.
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.
