Ключевые слова: accident, asphalt, background, barricade, barrier, block, boundary, broken, caution, city, closed, collapse, construction, control, crash, damage, danger, destruction, fence, forbidden, highway, hurricane, industry, line, object, orange, plastic, prevent, protection, red, repair, risk, road, row, safety, security, sign, site, stop, street, structure, symbol, traffic, transport, transportation, urban, warning, white, wind, work,