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  2. Minimum railway curve radius - Wikipedia

    en.wikipedia.org/wiki/Minimum_railway_curve_radius

    For a line with a maximum speed of 60 km/h (37 mph), buffer-and-chain couplers increase the minimum radius to around 150 m (164 yd; 492 ft). As narrow-gauge railways , tramways , and rapid transit systems normally do not interchange with mainline railways, instances of these types of railway in Europe often use bufferless central couplers and ...

  3. List of high-speed railway lines - Wikipedia

    en.wikipedia.org/wiki/List_of_high-speed_railway...

    This article provides a list of operational and under construction (or approved) high-speed rail networks, listed by country or region. While the International Union of Railways defines high-speed rail as public transport by rail at speeds of at least 200 km/h (124 mph) for upgraded tracks and 250 km/h (155 mph) or faster for new tracks, this article lists all the systems and lines that ...

  4. High-speed rail - Wikipedia

    en.wikipedia.org/wiki/High-speed_rail

    Despite the fact that speed itself was not a factor in the cause of the accident, one of the major changes was to further lower the maximum speeds in high-speed and higher-speed railways in China, the remaining 350 km/h (217 mph) becoming 300 km/h (185 mph), 250 km/h (155 mph) becoming 200, and 200 km/h (124 mph) becoming 160.

  5. Rail speed limits in the United States - Wikipedia

    en.wikipedia.org/wiki/Rail_speed_limits_in_the...

    Federal regulators set train speed limits based on the signaling systems in use. [1] Passenger trains were limited to 59 mph (95 km/h) and freight trains to 49 mph (79 km/h) on tracks without block signals, known as "dark territory." Trains without an automatic cab signal, train stop, or train control system were not allowed to exceed 79 mph ...

  6. Narrow-gauge railway - Wikipedia

    en.wikipedia.org/wiki/Narrow-gauge_railway

    For example, if a curve with standard-gauge rail can allow speed up to 145 km/h (90 mph), the same curve with narrow-gauge rail can only allow speed up to 130 km/h (81 mph). [12] In Japan and Queensland, recent permanent-way improvements have allowed trains on 3 ft 6 in (1,067 mm) gauge tracks to exceed 160 km/h (99 mph).

  7. Standard-gauge railway - Wikipedia

    en.wikipedia.org/wiki/Standard-gauge_railway

    Mombasa-Nairobi Standard Gauge Railway: 485 km (301 mi) Inaugurated 31 May 2017. An extension from Nairobi to Naivasha is under construction. A further extension east to the Ugandan border is planned. Kosovo: Trainkos: 437 km (272 mi) [47] Laos: Boten–Vientiane railway: 414 km (257 mi), Formally opened on 3 December 2021. Latvia: Rail Baltica

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  9. Double junction - Wikipedia

    en.wikipedia.org/wiki/Double_junction

    Double junction, or level junction (left hand running). A double junction is a railway junction where a double-track railway splits into two double track lines. Usually, one line is the main line and carries traffic through the junction at normal speed, while the other track is a branch line that carries traffic through the junction at reduced speed.