What should you do?
Move out of the left lane in good time into one of the two remaining lanes.
How to recognise it
Orange diamond with one blocked bar on the left and two upward arrows on the right.
Common confusion
Not the same as the offside version; here the closed lane is next to the kerb.
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.
