Ключевые слова: 20, 30, 40, 50, 70, background, black, car, circle, danger, drive, forbidden, highway, hour, icon, illustration, information, isolated, kilometers, km, limit, limitation, maximum, metal, miles, mph, nobody, number, per, pictogram, red, regulation, restriction, road, route, safety, set, sign, slow, speed, speed limit, street, symbol, traffic, transport, transportation, velocity, warning, white,