Ключевые слова: abstract, background, collection, concept, curve, direction, flat, freight, graphic, icon, industry, isolated, journey, ladder, line, locomotive, map, metal, metro, perspective, rail, railroad, railroad tracks, railway, road, route, set, silhouette, speed, station, steel, straight, subway, toy, track, traffic, train, traintrack, tram, transit, transport, transportation, travel, vehicle, view, wagon, wavy, way, white,