Ключевые слова: ahead, alert, arrow, attention, background, black, car, carefully, caution, curve, curvy, danger, dangerous, direction, drive, driving, hazard, highway, icon, illustration, isolated, limit, line, metal, nobody, outdoors, risk, road, roadway, safety, sign, slow, speed, street, symbol, traffic, transport, transportation, travel, turn, vehicle, warning, way, white, winding, yellow, yield,