Ключевые слова: alert, asphalt, attention, background, beware, black, blur, broke, caution, closeup, concept, construction, damaged, danger, grunge, icon, industrial, industry, isolated, men, metal, notice, old, progress, reconstruction, red, roadsign, roadwork, rusty, safety, security, sign, signal, site, south africa, stop, street, symbol, traffic, transportation, triangle, under, urban, warning, way, weathered, white, work, worker, yellow,