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  2. Loading gauge - Wikipedia

    en.wikipedia.org/wiki/Loading_gauge

    Figures in are previous Cape gauge rolling stock limits (Railway Construction Rules 1900) Green: Shinkansen vehicle limits; Trains on the Shinkansen network operate on 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge track and have a loading gauge of 3,400 mm (11 ft 2 in) maximum width and 4,500 mm (14 ft 9 in) maximum height. [46]

  3. OO gauge - Wikipedia

    en.wikipedia.org/wiki/OO_gauge

    OO gauge or OO scale (also, 00 gauge and 00 scale) is the most popular standard gauge model railway standard in the United Kingdom, [1] outside of which it is virtually unknown. OO gauge is one of several 4 mm-scale standards (4 mm to 1 ft (304.8 mm), or 1:76.2), and the only one to be marketed by major manufacturers.

  4. Great Northern Z-1 - Wikipedia

    en.wikipedia.org/wiki/Great_Northern_Z-1

    The Westbound climb is longer and more varied in gradient, with 50 miles between Wenatchee and the tunnel portal, at a maximum of 2.2%. The rated speed of the locomotives was such that they could use their full power when climbing any gradient more than 0.7% [ 5 ]

  5. Break of gauge - Wikipedia

    en.wikipedia.org/wiki/Break_of_gauge

    Placement of rails when it is necessary for track to be triple-gauge – in this case, 1,600 mm (5 ft 3 in), 1,435 mm (4 ft 8 + 1 ⁄ 2 in) and 1,067 mm (3 ft 6 in), as at Gladstone and Peterborough in South Australia The former break-of-gauge platform for on the Sydney–Melbourne mainline at Albury station: standard gauge on the left; broad ...

  6. Structure gauge - Wikipedia

    en.wikipedia.org/wiki/Structure_gauge

    In narrow curves, long cars like this 26.4 meter long express train car protrude further into the gauge than on a straight track. (180° curve near Königstein im Taunus ) A structure gauge , also called the minimum structure outline , is a diagram or physical structure that sets limits to the extent that bridges, tunnels and other ...

  7. Track spacing - Wikipedia

    en.wikipedia.org/wiki/Track_spacing

    Track centres are usually wider on high-speed lines, as pressure waves knock each other as high-speed trains pass. The minimum track spacing can be derived from the loading gauge. The European Berne Gauge has a width of 3,150 mm (10 ft 4 in). The minimal distance to structures on the side of the track is half of it but that is doubled again for ...

  8. List of longest railway tunnels - Wikipedia

    en.wikipedia.org/.../List_of_longest_railway_tunnels

    Shanghai-Chongqing-Chengdu High Speed Railway: Kaole Tunnel China 14.659 km (9.109 mi) 2027 Lanzhou-Hezuo Railway: Tongbaiyuan No1 Tunnel China 14.616 km (9.1 mi) 2028 Yan'an-Yulin-Ordos High Speed Railway: Hiyoshi Tunnel [71] Japan 14.532 km (9.0 mi) 2027 Chūō Shinkansen Linjiashan Tunnel China

  9. OO9 - Wikipedia

    en.wikipedia.org/wiki/OO9

    OO9, often also denoted as 009 or 00-9 and commonly pronounced as Double-Oh Nine, is a model railway scale and gauge combination of 4 mm scale and 9 mm (0.354 in) gauge tracks, which models a prototype track gauge of 2 ft 3 in (686 mm).