Conditions and pros and cons of setting traffic lights

The role of signal lights

Traffic light is the basic language of road traffic, composed of red light, green light, yellow light, through the separation of time and space to adjust the right of way of traffic flow in different directions, its role is to separate conflict traffic flow, reduce congestion and traffic accidents.

The setting of traffic lights shall comply with the requirements of road traffic safety and smooth flow and national standards, and shall be clear, eye-catching, accurate and intact, and its service objects shall include motor vehicle drivers, non-motor vehicles and pedestrians. Therefore, traffic lights are not for a few, but for the safe travel of all citizens.

At the same time, at intersections where non-motor vehicle signal lights and pedestrian crossing signal lights are not provided, non-motor vehicles and pedestrians shall pass according to the indication of motor vehicle signal lights.