What are the advantages and disadvantages of traffic lights going straight and then turning left and turning left and then going straight?

Go straight at the traffic lights and turn left: it can increase the reaction time, but it will affect the judgment of other vehicles.

Turn left first and then go straight: it will be convenient for other vehicles or pedestrians to judge, but the reaction time is shorter.

Under normal circumstances, when going straight, the green light will light up first, and then turn left. But the traffic police can adjust the order and time of traffic lights according to the actual situation. The flashing law of traffic lights at standard intersections: go straight first, then go straight back and jump yellow, turn left and jump yellow, then go straight at the red light and turn left at the green light. Then turn left and turn yellow and red. The driveway lights up once.

Extended data:

"Regulations for the Implementation of the Road Safety Law" Article 51 A motor vehicle shall pass through an intersection controlled by traffic lights in accordance with the following provisions:

1, at the intersection with guide lane, drive into the guide lane according to the required driving direction;

2. Prepare to enter the roundabout, and let the aspiring motor vehicles in the intersection go first;

3. When turning left, turn left at the center of the intersection. Turn on the turn signal when turning and turn on the low beam when driving at night;

4, in case of release signal, through in turn.