Ключевые слова: bus, buy, card, city, device, dresden, dvb, electronic, hand, interior, journey, line, machine, modern, orange, parking, passenger, passport, pay, payment, people, public, rail, railway, reader, smart, station, streetcat, symbol, system, technology, ticket, traffic, train, tram, tramway, transport, transportation, travel, trip, urbane, validate, validating, validation, vehicle, vvo, white, yellow,