Ключевые слова: art, background, button, caution, clouds, color, composition, cross, crossing, crossings, crossroad, danger, flash, flat, forward, icon, intersection, locomotive, old, rail, railroad, railroad crossing, railway, red, road, roadsign, safety, sign, signage, signal, sky, steam, stop, style, symbol, track, traffic, train, transport, wagons, warning, way, white,