Using the road
Road junctions
Junctions controlled by traffic lights
175
You MUST stop behind the white 'Stop' line across your side of the road unless the light is green. If the amber light appears you may go on only if you have already crossed the stop line or are so close to it that to stop might cause a collision.
Laws RTA 1988 sect 36 & TSRGD regs 10 & 36