Ключевые слова: alert, asphalt, automobile, background, boundary, business, car, caution, cone, construction, danger, empty, equipment, forbidden, industry, line, lot, mark, object, old, orange, outdoor, paint, park, place, plastic, red, repair, reserve, road, safety, security, sign, signal, site, space, stop, street, stripe, striped, symbol, traffic, transport, transportation, urban, vehicle, warning, white,