Ключевые слова: accident, asphalt, attention, barricade, barrier, border, boundary, careful, caution, city, closed, color, construction, control, danger, edge, line, nobody, object, orange, outdoor, plastic, portable, prevent, protection, protective, red, repair, risk, road, row, safety, security, sign, signal, site, stop, street, strip, stripe, striped, structure, symbol, traffic, transportation, urban, warning, white, work, zone,