Ключевые слова: alert, background, barricade, barrier, block, boundary, car, caution, closed, control, dangerous, detail, equipment, fence, fencing, forbidden, line, nature, no, object, old, parking, perimeter, point, protection, ramp, red, regulation, restricted, road, road sign, roadblock, safety, security, sign, single, stop, street, stripe, striped, symbol, system, territory, traffic, transport, transportation, trespassing, warning, white, zone,