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Track geometry involves standards, speed limits and other regulations in the areas of track gauge, alignment, elevation, curvature and track surface. [2] [failed verification] Standards are usually separately expressed for horizontal and vertical layouts although track geometry is three-dimensional.
Standard gauge is 4 ft 8 + 1 ⁄ 2 in (1,435 mm) gauge. It is the most widely-used gauge: about 60% of the world's railway mileage is standard gauge. It is the most widely-used gauge: about 60% of the world's railway mileage is standard gauge.
Broad gauge railways by size (29 C, 3 P) L. Lists of track gauges (17 P) M. ... Pages in category "Track gauges by size" The following 4 pages are in this category ...
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.
Cross-section of 4-rail dual-gauge track (standard and metre gauge/ narrow gauge) (click to enlarge) Cross-section of Australian dual-gauge track – 1600 mm (5 ft 3 in) and 1435 mm (4 ft 8 + 1 ⁄ 2 in) gauges (click to enlarge) Mixed gauge track at Sassari, Sardinia: 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge and 950 mm (3 ft 1 + 3 ⁄ 8 in)
The template formats a track gauge size into standard notation and adds the conversion into the imperial/metric (other) size Template parameters [Edit template data] Parameter Description Type Status Track gauge definition 1 Defined track gauge, in mm or ft in. Also can accept: ' '', m, gauge name String required Link top measurement units lk =on: adds link to the gauge defining article String ...
Track gauges are ordered by actual track gauge, not by title or unit name. Subcategories. ... Track gauges by size (8 C, 4 P) D. Dual gauge railways (1 C, 5 P)
Track geometry is three-dimensional geometry of track layouts and associated measurements used in design, construction and maintenance of railroad tracks. The subject is used in the context of standard, speed limits and other regulations in the areas of track gauge , alignment, elevation, curvature and track surface.