Road signs and markings
Every traffic sign, road marking, light signal and vehicle marking the Highway Code lists. Each one is its own page, so you can link to a single sign.
100 signs and markings
in 10 groups
Leave motorway at next exitMotorway signals
Temporary maximum speed advisedMotorway signals
End of restrictionMotorway signals
Lane control signalsLane control signalsEvery one of these is named in the Highway Code
The rules that use them are on this site in full, in the Code’s own wording, and you do not need an account to read either.