Traffic light

Keywords:

accident, agreement, all, angle, attention, auto, caution, city, cloud, communication, concept, conceptual, control, crossing, crossroad, danger, drive, glowing, go, green, highway, hour, illuminated, intersection, law, light, permission, pole, risk, road, route, rush, safe, safety, sign, signal, sky, starting, stop, stoplight, street, traffic, transit, transport, transportation, warning, way, yes,