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Two foot and 600 mm gauge railways are narrow gauge railways with track gauges of and respectively. Railways with similar, less common track gauges such as and are grouped with 2 ft and 600 mm gauge railways. ==Overview== Many of these railways were industrial lines rather than common carriers, though there were exceptions such as the "Maine two footer" lines in New England (some are still operating), the Chicago Tunnel Company's network under the Chicago Loop, and the Chemins de Fer du Calvados in Normandy. There are also non-industrial railroads utilizing these gauges that are operating in the present day, such as the Festiniog Railway in Wales, the Cripple Creek and Victor Narrow Gauge Railroad in Colorado, and the Darjeeling Himalayan Railway in India; but then they rely on tourist traffic and most of them are revived or built by enthusiasts. Trench railways of World War I produced the greatest concentration of gauge railways observed to date. In preparation for World War II, The French Maginot Line and Alpine Line also used gauge railways as supply routes to the fixed border defences. Australia has over of gauge sugar cane railway networks in the coastal areas of Queensland, carrying more than 30 million tonnes of sugar cane a year. Besides stand-alone heritage railways, there are many examples of tourist gauge and gauge railways found in amusement parks and theme parks of various sizes worldwide. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2 ft and 600 mm gauge railways」の詳細全文を読む スポンサード リンク
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