Ключевые слова: alert, asphalt, attention, barricade, barrier, boundary, build, building site, caution, closed, concrete, cone, construction, danger, forbidden, highway, indication, industrial, industry, lane, maintenance, marker, marking, object, obstacle, orange, pavement, plastic, protection, red, repair, risk ahead, road, roadway, roadwork, safety, security, sign, signal, single, site, street, striped, surface, symbol, traffic, trafficcones, transportation, under, warning,