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Gaoyuzui Tunnel China 6.416 km (3.987 mi) 2024 2 Xixiang-Qikou Expressway Yayang Tunnel China 6.381 km (3.965 mi) 2026 2 Cangnan-Taishun Expressway Mawan Tunnel China 6.280 km (3.902 mi) 2024 2 Mawan Cross-sea Corridor Jiuling Tunnel China 6.264 km (3.892 mi) 2026 2
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 ...
The Lærdal Tunnel is the first in the world to be equipped with an air treatment plant, located in a 100-metre (330 ft)-wide cavern about 9.5 kilometres (5.9 mi) northwest of Aurlandsvangen. Air from the tunnel is drawn into the plant by two large fans, particulates (dust and soot) are removed by an electrostatic filter , and nitrogen dioxide ...
World’s longest road and rail tunnel is being built under the Baltic Sea. ... Besides the benefits to passenger trains and cars, the tunnel will have a positive impact on freight trucks and ...
Longest conventional railway tunnel. It is also the world's longest transit tunnel by geodetic distance; 55.782 km (34.661 mi) between the two portals. Total 151.84 km (94.35 mi) of broken out tunnels through solid rocks. [6] [7] Part of the NRLA. Metro Beijing Subway Line 10: Beijing, China
The tunnel is part of the Ryfast project. It is 14.4 kilometres (8.9 mi) long [2] and is currently the world's longest subsea road tunnel, and the deepest tunnel of any kind. Both records are expected to be surpassed by Rogfast, which is projected to open in 2033.
The Arlberg Road Tunnel (German: Arlberg Straßentunnel), with a length of 13.976 kilometres (8.684 mi), is Austria's longest road tunnel. When it was inaugurated, it was the longest road tunnel in the world. It carries the S16 Arlberg Schnellstraße (German for "Arlberg Highway") under the Arlberg massif from Tyrol to Vorarlberg.
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.