Ключевые слова: allow, background, blue, bus, car, change, colorful, concept, control, cross, crossroad, crosswalk, danger, dark, direction, drive, driving, dusk, evening, go, green, information, intersection, lamp, light, man, night, no, object, office, pedestrian, pointing, ready, road, roadsign, rossroads, safety, semaphore, sign, signal, stoplight, street, streetlight, symbol, traffic, trafficlight, transport, transportation, urban, walk,