Ключевые слова: barrier, caution, closed, countryside, cross, crossing, danger, dangerous, europe, gate, gateway, landscape, level crossing, light, line, outdoors, public transportation, rail, railroad, railroad crossing, railroad crossing barrier, rails, railway, railway barrier, red, road, route, safety, sign, signal, speed, speed train, stop, street, symbol, the city, track, tracks, traffic, train, transit, transport, transportation, travel, trip, urban, voyage, waiting, warning, warning signal,