What's the difference between an arrow and a round head light in a traffic light?
Is the kind of light look at the T-junction, round a bit simple, right is not restricted, but in some places is the arrow lights will notice an arrow pointing at the direction of the arrow lights, because sometimes the right is red, this time can not go.
Simple, that is, round head lights, when turning, do not affect traffic in the premise of red light control, arrow lights must go in accordance with the color,
the arrow light green, traffic direction that direction is which way.
It is the arrow light, if the light is green, it can go to red, stop, and turn right round lamp is not restricted, and as long as the light is in the direction to go, but if it turns to other vehicles and pedestrians straight.
