Ключевые слова: business, carriage, caution, change, concept, controller, cross, crossing, crossroad, danger, destination, developing, direction, electrical, equipment, freight, gravel, illuminated, industrial, infrastructure, intersection, junction, lamp, light, logistics, long, metal, permission, perspective, prohibition, public, rail, railing, railroad, rails, railway, rapid, red, regulation, road, roadway, rules, rust, safety, semaphore, signal, sleeper, speed, station, steel,