Matters relating to the traffic lights:

1 traffic lights, including the red light and green light, yellow light, red light and green light means that prohibit the use, allowed to pass, the yellow light means a warning.

2, traffic signal lamp is divided into: indicating signal lamp of the motor vehicle and non motor vehicle signal lamp, pedestrian crosswalk signal lamp, direction indicator lamp (arrow lights), Lane lights, flashing warning lights, road and railway level crossing signal lamp.

3, traffic signal lamp is an important part of the traffic signal control, is the basic language of road traffic, is to strengthen the road traffic management, reduce the occurrence of traffic accidents, improve efficiency in the use of roads, improve the traffic conditions of an important tool.