train, rail transport, rail transportation, rail travel, rail, transportation, transportation vehicle, railroad, railroad cars, railroad station, public transport, public transportation, travel, electric, electricity, cable, power line, power lines, transport, railroad car, railroad stations, mode of travel, mode of transport, mode of transportation, outdoor, signal, train car, train cars, vehicle, city, passenger, metropolis, barrier, conductor, car, urban area, motor vehicle, sign, person, outside, district, urban center, railing, wheeled vehicle, traveler, railway