Ключевые слова: blue, closeup, control, cross, crossing, crossing railway barriers, crossroad, crossroads, danger, direction, electric, industrial, information sign, light, outdoor, pole, quebec, rail, rail transportation, railroad, railroad crossing, railway, red, red light, road, safe, safety, security, semaphore, sign, signal, sky, stop, stop light, street, street sign, symbol, symbol picture, track, traffic, traffic light, traffic sign, train, transport, transportation, travel, urban, warning, warning sign, way,