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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 G59 12 Fangxian-Wufeng Expressway: Helinyakou Tunnel China 6.260 km (3.9 mi) 2024 2
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 ...
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 first section of a record-breaking tunnel that will link Denmark and Germany by descending up to 40 meters beneath the Baltic Sea, has been completed. World’s longest road and rail tunnel is ...
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.
The longest underwater road tunnel in the world Arlberg: Austria (Vorarlberg - Tyrol) 13.972 km (8.7 mi) 1978 1 S16/E60 "World's longest tunnel" 1979 - 1980: Xishan Tunnel: China 13.654 km (8.5 mi) 2012 [25] 2 S56 Shanxi Taiyuan-Gujiao Expressway Left tube：13.654 m, right tube：13.570 m New Erlangshan Tunnel [26] China