today's headline Tai'an high-speed traffic police
this means "when the road without a street lamp at night, the car's far light will shine out the road." Color. In general, the road will appear gray, the place outside the road will be black, some potholed places will show a deeper color, and where there is water, it will be white. " In this way, the road condition can be roughly judged according to the color of the road. Do you understand?
remind: the owner of poor night vision, or as little as possible in the night drive; a friend who often drives the night car should pay attention to slowing down the speed and see the road. Because protecting your own safety is the most important thing.