Ключевые слова: alert, arrow, black, blue, car, caution, change, concept, crossroad, curve, danger, different, direction, directional, drive, graphic, hazard, highway, icon, law, left, limit, message, people, road, roadsign, round, safety, sign, sky, speed, street, symbol, traffic, transport, transportation, travel, triangle, turn, vehicle, warning, way, yellow,