Ключевые слова: business, carriage, caution, cloud, conceptual, controller, crossing, danger, departure, electric, electrical, equipment, evening, illuminated, industrial, industry, infrastructure, journey, junction, light, line, metal, nature, on, public, rail, railing, railroad, railway, red, road, semaphore, sign, signal, sky, speed, station, steel, stop, stoplight, sunset, track, traffic, train, transport, transportation, urban, wagon, waiting, warning,