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This list is intended to give an overview of the main Alpine tunnels. As the list is "country" oriented, cross-border tunnels are listed twice (e.g. the Mont Blanc tunnel is listed under France and under Italy.) See separate article for a list of the longest tunnels in the world.
As of 2016, the Gotthard Base Tunnel is the longest railway tunnel in the world. It is the third Swiss tunnel to bear this title, after the Gotthard Tunnel (15 km or 9.3 mi, 1882) and the Simplon Tunnel (19.8 km or 12.3 mi, 1905). [28] It is the third tunnel built under the Gotthard, after the Gotthard Tunnel and the Gotthard Road Tunnel.
Longest tunnel of the Central Yunnan Water Diversion Project [93] Railway Twin Tube Mont d'Ambin Base Tunnel: Cottian Alps, France/Italy 57,500 m (35.729 mi) 2032 [94] Part of the Lyon–Turin high-speed railway. Reconnaissance tunnels under construction since 2002; construction of main tunnel started in 2016. [95] Railway Twin Tube Brenner ...
The Gotthard Road Tunnel in Switzerland runs from Göschenen in the canton of Uri at its northern portal, to Airolo in Ticino to the south, and is 16.9 kilometres (10.5 mi) in length below the St Gotthard Pass, a major pass of the Alps. At time of construction, in 1980, it was the longest road tunnel in the world; it is currently the fifth ...
A second railway tunnel, the Gotthard Base Tunnel, was opened on 1 June 2016 after 17 years of construction; in comparison, it is considerably longer (57.1 km; namely the world's longest railway tunnel) and at an about 500 m lower elevation than the first Gotthard Tunnel, enabling trains to traverse the Central Alps on a flat and straight route ...
funicular railway, entirely in tunnel Furka Base Tunnel: 15.407: rail: Matterhorn Gotthard Bahn Furka–Oberalp line: with car transport Furka Summit Tunnel: 1.858: rail: Furka Cogwheel Steam Railway: superseded by the Furka Base Tunnel, now used by a heritage railway Giswil Tunnel: 2.066: road: A8 motorway: Girsberg Tunnel: 1.770: road: A7 ...
The 57.1-kilometre (35.5 mi) Gotthard Base Tunnel is the world's longest and deepest traffic tunnel, [17] [18] [19] as was the original 15-kilometre (9.3 mi) Gotthard Tunnel at its completion in 1881. It consists of two parallel single-track tunnels, connected by 178 cross-connections.
Chongming-Taicang Yangtse River Tunnel China (Jiangsu-Shanghai) 14.250 km (8.855 mi) 2028 Shanghai–Nanjing–Hefei high-speed railway: Xierluo Tunnel China 14.240 km (8.8 mi) 2030 Sichuan-Tibet railway: East Dabashan Tunnel China (Shaanxi - Chongqing) 14.172 km (8.806 mi) 2028 Chongqing-Xi'an High Speed Railway: Jinggangshan Tunnel