Ключевые слова: adjuster, allow, approaching, authorize, blue, caution, color, controller, crossing, danger, dangerous, dusk, enable, equipment, illuminated, industrial, industry, infrastructure, light, permit, rail, railroad, rails, railway, regulator, resolve, resolving, road, routing, semaphore, sign, signal, standard, station, traffic, traffic light, train, transport, transportation, travel, warn, way,