The panorama of traffic signal signs

The most common traffic signal sign is the traffic light at the intersection. Traffic lights are internationally unified traffic lights.

When the red light is on, it is forbidden to go straight or turn left, and vehicles are allowed to turn right, which will not hinder pedestrians and vehicles. Green light, allowing vehicles to go straight or turn; When the yellow light is on, stop at the intersection stop line or crosswalk line; When the yellow light flashes, warn the vehicle to pay attention to safety.

The origin of traffic lights can be traced back to1England in the early 9th century. 1868, the British mechanical teacher dehart designed the red and green traffic lights. A policeman with a long pole changed the color of the light by pulling the belt.

19 14 years, traffic lights have evolved from gas to electricity, not far from modern traffic lights. In addition to the lighting itself, Americans have also perfected the signal control system. The earliest traffic lights in China appeared in the British Concession.

Attached laws and regulations:

According to Article 26 of the Road Traffic Safety Law of the People's Republic of China, traffic lights consist of red light, green light and yellow light. Red light means no traffic, green light means permission, and yellow light means warning.

Article 38 stipulates that when the green light is on, vehicles are allowed to pass, but turning vehicles shall not hinder the passing vehicles and pedestrians; When the yellow light is on, vehicles that have crossed the parking line can continue to pass.