What should you do?
Expect heavy goods vehicles turning in and out near the estate entrance.
How to recognise it
A black silhouette of a factory roof with a sawtooth profile and a chimney.
Common confusion
Do not mistake it for a warning sign; it only points the way to an industrial estate.
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.
