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The sharpest curves tend to be on the narrowest of narrow gauge railways, where almost all the equipment is proportionately smaller. [4] But standard gauge can also have tight curves, if rolling stocks are built for it, which however removes the standardisation benefit of standard gauge. Tramways can have below 100-foot (30 m) curve radius.
A narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge narrower than 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge. Most narrow-gauge railways are between 600 mm ( 1 ft 11 + 5 ⁄ 8 in ) and 1,067 mm ( 3 ft 6 in ).
On Kauai, two narrow-gauge railroads still operate. The 3 foot railroad, the Kauai Plantation Railway operates on a 3-mile loop through the Kilohana Estate and Plantation. The second narrow-gauge railroad on Kauai is a 30-inch railway, the Grove Farm Sugar Plantation Museum. They operate many different locomotives, from steam to diesel, on a ...
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.
Measuring rail gauge. During the early days of rail, there was considerable variation in the gauge used by different systems, and in the UK during the railway building boom of the 1840s Brunel's broad gauge of 7 ft 1 ⁄ 4 in (2,140 mm) was in competition with what was referred to at the time as the 'narrow' gauge of 1,435 mm (4 ft 8 + 1 ⁄ 2 in).
Track gauge conversion is the changing of one railway track gauge (the distance between the running rails) to another. In general, requirements depend on whether the conversion is from a wider gauge to a narrower gauge or vice versa, on how the rail vehicles can be modified to accommodate a track gauge conversion, and on whether the gauge conversion is manual or automated.
Many narrow-gauge railways were built in the United States with track gauge 3 ft (914 mm). The most extensive and well known systems were the 3 ft (914 mm) gauge lines through the Rocky Mountain states of Colorado and New Mexico. Today a few lines survive as heritage railways and tourist attractions.
The usually or normally limited structure gauge, and tight curves, on tram tracks will also prevent trains from using tram tracks. In North America the groove would have to be a minimum of 2 + 1 ⁄ 8 in (54 mm) wide and by extension, the maximum distance between the inside faces of the guard flanges of the grooved rails can be no more than 52 ...