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Alpine Tunnel is a 1,772 ft (540 m) narrow gauge railroad tunnel located east of Pitkin, Colorado, on the former Denver, South Park and Pacific Railroad route from Denver to Gunnison. At an elevation of 11,523 feet (3,512 m), it was the first tunnel constructed across the Continental Divide in Colorado and was the highest railroad tunnel in ...
The Ceneri Base Tunnel was opened on 3 September 2020 and became fully operational in December 2020 and is an important feeder for the Gotthard Base Tunnel. [4] A decision to fully complete the second tube of the Lötschberg Base Tunnel was made in early-2024, with an estimated cost of CHF 1.7 billion [ 5 ] and construction expected to extend ...
Gotthard Road Tunnel (road tunnel, 16.9 km) Ceneri Base Tunnel (railway tunnel, 15.4 km) Furka Base Tunnel (narrow gauge railway tunnel with car transportation, 15.4 km) Gotthard Railway Tunnel (railway tunnel, 15.0 km) Lötschberg Tunnel (railway tunnel, 14.6 km) Zimmerberg Base Tunnel (railway tunnel, 9.4 km) Seelisberg Tunnel (road tunnel, 9 ...
The Mont Blanc tunnel, used by more than 1.7 million vehicles last year, will close on Sept. 4 for 15 weeks, raising concern over its impact on Italy's economy, including tourism and exports.
Alpine Tunnel: 11,523 feet (3,512 m) Alpine Tunnel, first tunnel over Continental Divide in Colorado, highest railroad tunnel and at 1,772 ft (540 m) longest narrow-gauge tunnel in North America. Tunnel abandoned since 1910, impassable, unpaved road on approaches, reconstructed telegraph office with station platform near southern (wester
Passed through the Hagerman Tunnel, replaced in 1893 by the Busk-Ivanhoe Tunnel. Reverted to original route between 1897 and 1899 Alpine Tunnel: Colorado: 11,612 ft (3,539 m) Denver, South Park and Pacific Railroad: Colorado and Southern Railway: 1881–1910 Narrow gauge Marshall Pass: Colorado: 10,856 ft (3,309 m) Denver and Rio Grande Railroad
A total of 1,316 people were involved in the construction of the Albula Tunnel. Overall, there were 16 fatal accidents involving workers. At 03:00 hours on 29 May 1902, the breakthrough of the two tunnel leads was achieved, at a point 3,030.5 m (9,943 ft) from the north portal, and 2,835 m (9,301 ft), from the south portal.
At 57.5 kilometres (35.7 mi), that tunnel will be the longest rail tunnel in the world, ahead of the 57.1 km (35.5 mi) Gotthard Base Tunnel. The estimated total cost of the line in 2016 was €25 billion of which €8 billion was for the international section, [ 5 ] with the latter updated to €11 billion in 2024. [ 6 ]