Ключевые слова: accident, alert, attention, barricade, barrier, block, caution, cement, circle road sign, circle sign, city, civil, closed, constructing, construction, constructional, constructive, danger, detour, development, fence, forbid, forbidden, highway, industrial, industry, nobody, obstacle, repair, road, road sign, roadblock, roadwork, round, safety, security, sign, site, stop, street, striped, symbol, traffic, transportation, urban, warning, white, work,