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The track gauge adopted by the mainline railways in Ireland is . This unusual track gauge is otherwise found only in Australia (where it was introduced by the Irish railway engineer F. W. Sheilds), in the states of Victoria, southern New South Wales (via some extensions of the Victorian rail network) and South Australia, as well as in Brazil. The Grand Duchy of Baden State Railway used this gauge between 1840 and 1855, as did the Canterbury Provincial Railways in New Zealand, until conversion to the gauge in the 1860s. The Launceston and Western Railway in Tasmania also used this gauge from 1871, until conversion to gauge in 1888. == Different gauges == Ireland's first railway, the Dublin and Kingstown, was built to (later known as standard gauge). The Ulster Railway (UR), taking the Irish Railway Commission's advice, used . The Dublin and Drogheda Railway was proposed to be built to gauge〔(Steaming into the Future )〕 on the grounds of lower costs. The two broader gauges were used nowhere else. Following complaints from the UR the Board of Trade investigated the matter, and in 1843 decreed the use of .〔(Railways in Craigavon )〕 This gauge was given legal status by the Regulating the Gauge of Railways Act 1846,〔(【引用サイトリンク】 title=Regulating the Gauge of Railways Act 1846 )〕 which specified 4 feet inches for Great Britain, 5 feet 3 inches for Ireland. In 1846 the UR was re-gauged at a cost of £19,000 and the Dublin and Kingstown Railway (10km) in 1857 for £38,000. The Hill of Howth Tramway and the Dublin and Blessington Steam Tramway adopted the gauge. Dublin's Luas tram system, opened in 2004, uses standard gauge . 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「Track gauge in Ireland」の詳細全文を読む スポンサード リンク
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