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  2. Track gauge - Wikipedia

    en.wikipedia.org/wiki/Track_gauge

    Some amount of tolerance is necessarily allowed from the nominal gauge to allow for wear, etc.; this tolerance is typically greater for track limited to slower speeds, and tighter for track where higher speeds are expected (as an example, in the US the gauge is allowed to vary between 4 ft 8 in (1,420 mm) to 4 ft 10 in (1,470 mm) for track ...

  3. List of track gauges - Wikipedia

    en.wikipedia.org/wiki/List_of_track_gauges

    See 3 + 1 ⁄ 2 in (89 mm) gauge ridable miniature railways. 121 mm 4 + 3 ⁄ 4 in: See 4 + 3 ⁄ 4 in (121 mm) gauge ridable miniature railways. 127 mm 5 in: See 5 in (127 mm) gauge ridable miniature railways. 145 mm 5 + 7 ⁄ 10 in and 5 + 45 ⁄ 64 in Denmark: Brandhøjbanen dk, at Hedeland veteran railway dk, Hedeland, Hedehusene, Høje ...

  4. Track gauge in the United States - Wikipedia

    en.wikipedia.org/wiki/Track_gauge_in_the_United...

    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.

  5. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    This gauge is represented by the EM Society (in full, Eighteen Millimetre Society). 00 track (16.5 mm) is the wrong gauge for 1:76 scale, but use of an 18.2 mm (0.717 in) gauge track is accepted as the most popular compromise towards scale dimensions without having to make significant modifications to ready-to-run models. Has a track gauge ...

  6. Track geometry - Wikipedia

    en.wikipedia.org/wiki/Track_geometry

    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.

  7. Standard-gauge railway - Wikipedia

    en.wikipedia.org/wiki/Standard-gauge_railway

    The American gauges converged, as the advantages of equipment interchange became increasingly apparent. Notably, all the 5 ft (1,524 mm) broad gauge track in the South was converted to "almost standard" gauge 4 ft 9 in (1,448 mm) over the course of two days beginning on 31 May 1886. [21] See Track gauge in the United States.

  8. Loading gauge - Wikipedia

    en.wikipedia.org/wiki/Loading_gauge

    A loading gauge is a diagram or physical structure that defines the maximum height and width dimensions in railway vehicles and their loads. Their purpose is to ensure that rail vehicles can pass safely through tunnels and under bridges, and keep clear of platforms, trackside buildings and structures. [ 1 ]

  9. Track gauge in North America - Wikipedia

    en.wikipedia.org/wiki/Track_gauge_in_North_America

    The first railroads in Canada in the 1830s were built to 1,435 mm (4 ft 8 + 1 ⁄ 2 in) and in 1847 the first 5 ft 6 in (1,676 mm) gauge line was built. After a Royal Commission, in 1851 the broad gauge, called the Provincial gauge, was adopted by the Province of Canada government as the standard gauge. However, in the 1870s, most Canadian ...