What they mean What to do - if stationary What to do - if approaching
Traffic Lights for Drivers and Riders The green light means that you may move across the junction or crossing provided that it is safe to do so. Go if way is clear. Give way to pedestrians still on crossing. Cross carefully. Do not accelerate before the lights. Before you enter the junction,check right and left and right again. Give way to pedestrians who are still on crossing.
Traffic Lights for Drivers and Riders The amber light follows the green light. You must stop unless you are so close to the junction or crossing that to do so suddenly might cause an accident. Stay behind the 'Stop' line. Slow down and stop behind the 'Stop' line in the correct lane.
Traffic Lights for Drivers and Riders The red light follows the amber lights. You must stop behind the 'Stop' line. Stay behind the 'Stop' line. Slow down and stop behind the 'Stop' line in the correct lane.
Traffic Lights for Drivers and Riders The amber light comes on while the red light is still on. You must remain stationary but you may get ready to move across the junction or crossing when the green light shows, provided that it is safe to do so. Remain stationary but may prepare to move off. Slow down and do not move across the junction or crossing until lights have changed to green.