Ключевые слова: activity, ahead, aim, asphalt, background, barricade, block, broken, building, car, caution, closed, construction, copy, danger, day, engineering, equimpment, fuel, highway, industry, lamp, limit, low speed, machine, markings, outdoors, reconstruction, red, repair, road, road work, roadworks, rush, safety, security, sign, space, street, summer, symbol, system, traffic, transport, transportation, travel, truck, urban, warning, works,