Ключевые слова: ban, barrier, blue, blurred, coal, cross, crossing, danger, dangerous, fast, high speed, industry, landmark, light, line, measures, mining industry, mortal, movement, moving, pass, rail, railroad, railway, red, safety, security, sign, signal, sky, stop, street, technology, track, train, transit, transport, transportation, travel, vehicle, waiting, warning, warning lights,