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Map of the world's railways showing the different gauges in use. Breaks of gauge generally occur where lines of different track gauge meet.. With railways, a break of gauge occurs where a line of one track gauge (the distance between the rails, or between the wheels of trains designed to run on those rails) meets a line of a different gauge.
Reconstructed mixed-gauge, 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge / 7 ft 1 ⁄ 4 in (2,140 mm) track at Didcot Railway Museum, England On the GWR, there was an extended period between political intervention in 1846 that prevented major expansion of its 7 ft 1 ⁄ 4 in ( 2,140 mm ) broad gauge [ note 1 ] and the final gauge conversion to ...
Track gauge or rail gauge (also known as track gage in North America [8]) is the distance between the inner sides (gauge sides) of the heads of the two load bearing rails that make up a single railway line. Each country uses different gauges for different types of trains.
Several mine railways. Origine: from 1 ft 8 in preußische Zoll = 523,2 mm. [22] 533 mm: 21 in: England: Pleasure Beach Express: 550 mm 21 + 21 ⁄ 32 in: Denmark Mønsted Kalkgruber, in a former limestone quarry, railway is preserved. Narrow-gauge railways in Europe Narrow-gauge railways in Denmark. Germany: Mine railways in Mayen: 557 mm: 21 ...
Following the Civil War, trade between the South and North grew sufficiently large that the break of gauge became a major economic nuisance, impeding through shipments. Competitive pressures induced most North American railways to convert to standard gauge by 1880, but Southern railroads retained their distinct, 5 ft (1,524 mm) gauge.
Standard gauge railway lines made a return in 2014 on experimental railway line in Aceh. The railway tracks of Java and Sumatra use 1,067 mm (3 ft 6 in). Iran: Islamic Republic of Iran Railways: 12,998 km (8,077 mi) Iraq: Iraqi Republic Railways: 485 km (301 mi) Ireland Transport Infrastructure Ireland: Luas in Dublin: Israel
The minimum railway curve radius is the shortest allowable design radius for the centerline of railway tracks under a particular set of conditions. It has an important bearing on construction costs and operating costs and, in combination with superelevation (difference in elevation of the two rails) in the case of train tracks , determines the ...
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.