Traffic lights are not strange to us, because they are often seen in daily life, but some small common sense about it is still necessary to understand. Let's introduce the common sense of traffic lights and learn about them together. Let's have a look.
First, use
It is an important part of traffic signal command and the basic language of road traffic. It is an important thing to strengthen road traffic management, reduce traffic accidents, improve road use efficiency and improve traffic conditions.
Second, the variety
Traffic lights are divided into: motor vehicle signal lights, non-motor vehicle signal lights, pedestrian crossing signal lights, direction indicator lights (arrow signal lights), lane signal lights, flash warning lights, road and railway plane crossing signal lights.
Third, including which
Generally, it includes a red light, a green light, and a yellow light. The red light indicates that the passage is prohibited, the green light indicates permission to pass, and the yellow light indicates the warning.