Solar Traffic sign are internationally uniform traffic lights

In a busy intersection, surrounded by all hung with red, yellow, green, three-color traffic lights, it is not silent "traffic police." Solar Traffic sign are internationally uniform traffic lights. Red stop signal, the green light is a common signal. Intersection, several directions to the car are brought together here, and some want to go straight, and some want to turn, in the end who should go first, which is commanded to obey battery traffic light. Red light, line, or turn left, under the circumstances do not hinder pedestrians and vehicles, allowing the vehicle to turn right; green light to allow the vehicle straight or turning; yellow light, stop at the intersection stop line or crosswalk lines or less, have continued to pass; Huang when light is flashing, warning vehicle safety.