Ключевые слова: black, button, cargo, city, delivery, design, electric, engine, flat, icon, illustration, isolated, locomotive, machine, metro, modern, movement, navigation, parking, passenger, pictogram, public, rail, railroad, railway, road, set, shape, sign, simple, speed, station, subway, symbol, track, traffic, train, tram, transit, transport, transportation, travel, trolley, trolleybus, underground, urban, vector, vehicle, wagon, white background,