Ключевые слова: background, black, caution, city, color, control, crossing, crossroad, crosswalk, danger, direction, drive, forbidden, green, green light, guidance, image, lamp, light, photo, ready, red, regulate, road, safe, safety, shape, sign, signal, stop, stoplight, street, symbol, traffic, traffic lights, trafficlight, transport, transportation, urban, vertical, warning, way, white,