What should you do?
Expect ambulances and vehicles turning in and out, and drive quietly and carefully nearby.
How to recognise it
A blue rectangle with a white H and 100m beneath it.
Common confusion
The H means hospital; it is easy to confuse with the P lay-by sign at a glance.
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.
