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Dual-gauge track can consist of three rails, sharing one "common" rail; or four rails, with the rails of the narrower gauge lying between those of the broader gauge. In the three-rail configuration, wear and tear of the common rail is greater than with the two other outer rails.
Railways with a track gauge between 500 mm (19 + 3 ⁄ 4 in) and 4 ft 8 + 1 ⁄ 2 in (1,435 mm) standard gauge. Diamond crossing dual gauge double line narrow-gauge and standard-gauge. Narrow gauge track.
On the Western standard gauge line from Melbourne towards Adelaide, dual gauge track can be found between the Geelong Harbour and Gheringhap, as well as along the Newport-Sunshine freight line in Melbourne. In Brisbane, standard and narrow (1067 mm) dual gauge gauntlet track is located on platform 2 of Roma Street station.
In rail transport, track gauge is the distance between the two rails of a railway track. ... Cross-section of 4-rail dual-gauge track ...
As of 2017, about 60% of the world's railways use a gauge of 1,435 mm (4 ft 8 + 1 ⁄ 2 in), known as standard or international gauge [43] [44] Gauges wider than standard gauge are called broad gauge; narrower, narrow gauge. Some stretches of track are dual gauge, with three (or sometimes four) parallel rails in place of the usual two, to allow ...
The track centres can be as closely spaced and as cheap as possible, but maintenance must be done on the side. Signals for bi-directional working cannot be mounted between the tracks, so they must be mounted on the 'wrong' side of the line or on expensive signal bridges. For standard gauge tracks the distance may be 4 metres (13 ft) or less.
The gauge was known as "Texas gauge" while required by Texas law until 1875, [4] and used by the New Orleans, Opelousas and Great Western Railroad (NOO&GW) until 1872, and by the Texas and New Orleans Railroad until 1876. The New England railways were similarly standard-gauged in the 1870s.
Track gauges are ordered by actual track gauge, not by title or unit name. Subcategories. ... Dual gauge railways (1 C, 5 P) Pages in category "Track gauges"
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