Ключевые слова: art, auto, automobile, automotive, background, black, button, city, color, colorful, contour, design, engine, front, icon, illustration, isolated, line, linear, lineart, locomotive, metro, modern, neon, outline, passenger, public, rail, railroad, railway, road, set, sign, silhouette, speed, station, subway, symbol, track, train, transport, transportation, travel, underground, vehicle, view,