What does U-turn mean?

[SanGemma]

Car U-turn refers to the situation where the car changes its driving direction by 180° on roads where U-turns are permitted. Before making a U-turn, first turn on the left signal, slow down (to about five kilometers per hour) or even stop, pay attention to the road conditions, and closely monitor the traffic situation (especially for vehicles that are far away but moving at high speed). Stop and wait if necessary. Road U-turn skills: First turn on the turn signal and enter the turning lane. Before changing lanes, observe the situation in the lane you are entering, then change direction and slow down. At the stop line, reduce the speed to almost a complete stop, and after confirming safety, make a full U-turn. After completing the U-turn, stay near the central yellow line in the lane, then turn on the turn signal to enter your own lane.