Ключевые слова: 25, attention, auto, automobile, background, blue, car, caution, circle, city, closeup, color, control, copy, danger, day, design, drive, driving, green, guide, highway, information, law, leaves, light, limit, mandatory, maximum, metal, no, object, outdoors, pillar, post, prohibition, prohibitive, public, red, regulation, restriction, ride, road, round, route, rule, safe, safety, sign, signpost, sky, space, speed, stopping, street, sunlight, symbol, text, town, traffic, transport, transportation, travel, tree, trees, trip, vehicle, warning, way, white,