Ключевые слова: access, ahead, alert, arrow, background, black, car, caution, circle, city, concept, concrete, control, design, direction, dirty, drive, entrance, forbidden, information, limit, no, not, object, old, outdoor, prohibition, public, red, right, road, round, rule, safety, shape, sign, space, street, symbol, traffic, transport, transportation, travel, turn, urban, vehicle, wall, warning, way, white,