Ключевые слова: access, accessibility, america, automatic, boundary, check, checkpoint, city, closed, control, entrance, entry, exit, fence, gate, indoors, light, metro, new york, ny, nyc, open, pass, public, railway, row, security, sign, station, stationary, subway, subway platform, system, ticket, train, transport, transportation, travel, tunnel, turnstile, underground, united states, urban, usa,