Ключевые слова: access, area, automated, automatic, barrier, block, border, car, caution, city, control, danger, driveway, electric, exterior, gate, gateway, grey, ground, hydraulic, iron, limited, lock, metal, modern, object, outdoor, outdoors, park, parking, pavement, pedestrian, pillar, post, protect, protection, retractable, road, safety, security, sidewalk, sign, steel, stop, street, traffic, transportation, urban, warning, zone,