Ключевые слова: asphalt, attention, auto, background, barrier, bright, car, caution, color, cone, cones, construct, construction, control, danger, day, direction, driving, emergency, equipment, industrial, industry, learn, line, object, orange, outdoor, outdoors, parking, plastic, red, repair, road, safety, security, sign, signal, skill, stop, street, surface, symbol, traffic, transport, transportation, warning, way, work,