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  2. Wrights tunnel - Wikipedia

    en.wikipedia.org/wiki/Wrights_Tunnel

    The tunnel was repaired thereafter and widened to make way for standard gauge trains, which would begin using the tunnel in 1909. The western portal was also replaced due to the earthquake and a brick ceiling was installed for the first three hundred feet of the tunnel to prevent collapse from the sandstone present there. The brick ceiling is ...

  3. Lötschberg railway - Wikipedia

    en.wikipedia.org/wiki/Lötschberg_railway

    For the construction of the Lötschberg line and the main tunnel two special railways had to be constructed to bring material from Frutigen or the junction at Naters near Brig to the portals of the Lötschberg tunnel. The gauge of the railways was 750 mm (2 ft 5 + 1 ⁄ 2 in), the maximum gradient was 60 per thousand (6%) and the minimum curve ...

  4. Alto tunnel - Wikipedia

    en.wikipedia.org/wiki/Alto_tunnel

    The tunnel has a concrete portal barrel with a length of 30.9 feet (9.4 m) located at the north portal. The tunnel was dug through rock of the Franciscan group, consisting mainly of sandstone, conglomerates, and shales. As it stands, the southern part of the tunnel is in a significantly worse state than the northern part.

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  6. Bruchsal Rollenberg junction - Wikipedia

    en.wikipedia.org/wiki/Bruchsal_Rollenberg_junction

    Inside the tunnel the third track runs a short distance before connecting to the other tracks. This northwest portal of the Rollenberg Tunnel is the only railway tunnel portal in Germany with three tracks. With a cross section of 210 square metres, [5] it is also has one of the largest cross-sections of tunnel portals on German high-speed lines.

  7. Portadown, Dungannon and Omagh Junction Railway - Wikipedia

    en.wikipedia.org/wiki/Portadown,_Dungannon_and...

    Building of the PD&O line started from Portadown in 1855 and reached Dungannon in 1858. [1] This first section of line opened with temporary termini at both Portadown and Dungannon. [2] At Dungannon the delay was in order to build a half-mile tunnel because Viscount Northland objected to smoky locomotives traversing his land.

  8. Orenstein & Koppel - Wikipedia

    en.wikipedia.org/wiki/Orenstein_&_Koppel

    O&K 11350/1927 (Type 0-6-6-0, Kitson-Meyer design) for Puente Alto-El Volcán Railway. After Orenstein & Koppel (O&K) had delivered the prototype of a Kitson-Meyer locomotive for the 600 mm (1 ft 11 + 5 ⁄ 8 in) gauge to the Chilean military railway in 1927, an order for three locomotives followed in 1937. In 1939, the locomotives with the ...

  9. Weschnitz Valley Railway - Wikipedia

    en.wikipedia.org/wiki/Weschnitz_Valley_Railway

    Tunnel portals on the Weschnitz Valley Railway Photographs of the Überwald and Weschnitz Valley Railways This German rail transport related article is a stub .

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