Ключевые слова: accessible, automated, buttons, cards, clean, coins, color, commute, design, device, dispensing, display, efficient, electronic, equipment, functional, hub, icons, illuminated, independent, instructions, interface, intuitive, keypad, language, machine, modern, numeric, options, panel, passenger, payment, process, public, scheme, simple, slots, station, symbols, system, technology, terminal, ticket, transaction, transportation, travel, universal, user, vending, white,