Ключевые слова: access, accessibility, admittance, architecture, bar, barrier, close, closed, door, doorway, egress, enter, entrance, entry, exit, gate, leave, locked, machine, metal, metallic, metro, modern, noentry, opening, pass, passenger, rail, railway, safety, station, stile, subway, subwaystation, technology, ticket, transport, transportation, turnstile, underground, walk, way, wicket,