A city crossing with a semaphore. Green light in semaphore, light, semaphore, city, traffic, safety, stop, sign, red, signal, cross, road, transportation, street, urban, drive, warning, car, lamp, control, transport, danger, crossroad, speed, way, intersection, concept, symbol, highway, illuminated, regulate, path, crossing, route, object, equipment, direction, pedestrian, crosswalk, electronic, caution, led, wait, blur, architecture, stopped, abstract, junction, communication, town, waiting