Ключевые слова: alert, asphalt, attention, background, barricade, building, car, caution, city, closed, construct, construction, control, danger, direction, equipment, improvement, maintenance, message, nobody, pavement, progress, protection, reconstruction, red, repairing, road, roadside, roadsign, roadwork, roadworks, safety, sign, signage, signal, signs, site, street, symbol, traffic, triangle, urban, warning, way, work, worker, working, works, yellow, zone,