Ключевые слова: auto, automobile, avenue, background, black, board, bump, careful, caution, city, color, communication, concept, control, danger, direction, distance, drive, highway, hump, icon, image, information, isolated, law, metal, outdoors, plot, pole, red, road, road humps, route, safe, safety, sign, sky, speed, street, symbol, traffic, transport, transportation, travel, triangle, urban, vertical, warning, white, yards,