In People's Daily life at home and abroad, the common traffic lights are made up of three colors: red yellow green, the representation of meaning is the same. Traffic lights is to adjust plane intersection or road, vehicle traffic flow, improve road traffic order, ensuring the traffic safety of road traffic safety facilities. We only understand the language - yellow and green traffic after three languages, to safety on the road trip.

 

"Red light stop, green line" even elementary school students clear knowledge of traffic, says the traffic lights indicate demand for vehicles and pedestrians, but this is only "red yellow green" alternating signal is very few.

 

The red light said. A green light means go. Yellow light according to the actual situation and decide.

 

All at a red light when the red light is indicated by the driveway or sidewalk vehicles and pedestrians, have to stop and wait for the green light out the passage again, after a green light means go.

 

Green light, all in the green light indicates the vehicles and pedestrians, the driveway or sidewalk can pass, should immediately stop when stay green light out. Yellow light is a warning signal, for the yellow light mean, some drivers is vague.

 

Yellow lights, all in the driveway or sidewalk indicated by the yellow light vehicles and pedestrians, have to stop and wait for yellow light into red or green, but when the yellow lights already across the stop line of vehicles and pedestrians, can continue to pass.

 

Traffic police in particular, for without the traffic light at the intersection, arrow when the red light right turning vehicles can still pass, many drivers still don't understand, influence of intersection traffic efficiency.

 

Traffic language must grab from baby, only for children education right knowledge of road traffic signal lamp. They don't in "the road" the many potential risk factors what places unimaginable accident.