Ключевые слова: access, architecture, area, barriers, city, clean, commute, commuters, control, convenience, daily, design, efficiency, electronic, empty, entrance, environment, evening, futuristic, hours, hub, illumination, infrastructure, interior, late, life, lighting, metro, metropolitan, modern, modernity, navigation, pathways, platform, point, public, safety, security, space, station, subway, system, technology, ticketing, transit, transport, transportation, travel, turnstiles, urban, wait,