What should you do?
Slow down and keep away from the edge where the surface level changes.
How to recognise it
Orange diamond with a car tilting where the road surface drops away.
Common confusion
It is not the quay or river sign; the problem here is a temporary level difference at the works.
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.
