Penghui electronic with your understanding of the traffic signal lamp:

1, traffic lights, including red light, green light, yellow light, red light which means that the traffic, the green light to permit access, yellow light said.

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 is an important part of the traffic signal command, is the basic language of road traffic, is to strengthen the road traffic management, reduce the occurrence of traffic accidents, improve road use efficiency and improve the traffic conditions of an important tool.

The above information is provided by the traffic signal lamp factory