What should you do?
Slow down and keep well back from the vehicle in front to avoid flying stones damaging windscreens and paintwork.
How to recognise it
Orange diamond with a vehicle throwing up a spray of small stones behind it.
Common confusion
It refers to loose stones from surfacing, not rocks falling from a cliff.
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.
