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.
63 signs and markings
in 5 groups
RED means ‘Stop’. Wait behind the stop line on the carriagewayTraffic light signals
RED AND AMBER also means ‘Stop’. Do not pass through or start until GREEN showsTraffic light signals
GREEN means you may go on if the way is clear. Take special care if you intend to turn left or right and give way to pedestrians who are crossingTraffic light signals
AMBER means ‘Stop’ at the stop line. You may go on only if the AMBER appears after you have crossed the stop line or are so close to it that to pull up might cause an accidentTraffic light signals
A GREEN ARROW may be provided in addition to the full green signal if movement in a certain direction is allowed before or after the full green phase. If the way is clear you may go but only in the direction shown by the arrow. You may do this whatever other lights may be showing. White light signals may be provided for tramsTraffic light signals
Alternately flashing red lights mean YOU MUST STOPFlashing red lights
You MUST NOT proceed further in this laneMotorway signals
Change laneMotorway signals
Reduced visibility aheadMotorway signals
Lane ahead closedMotorway signals
Temporary maximum speed advised and information messageMotorway signals
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.