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Korean national highway 2 Shuiniujia Tunnel China 6.063 km (3.767 mi) 2024 2 G85 13 Pingliang-Mianyang Expressway: Hetaoping Tunne China 6.063 km (3.767 mi) 2025 2 G42 16 Chengdu-Lijiang Expressway: Caoziping Tunnel China 6.050 km (3.759 mi) 2028 2 G76 11 Duyun-Shangri-la Expressway Muli Branch Qilianshan #2 Tunnel
74 m 2; longest railway tunnel until 2016. Longest tunnel with an undersea section, running between Honshu and Hokkaido. Undersea section measures 23.3 kilometres (14.5 mi). Metro Beijing Subway Line 6: Beijing, China 53,400 m (33.181 mi) 2012–2018 Water supply Želivka Water Tunnel [8] Central Bohemian Region, Czech Republic 51,970 m (32.293 mi)
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 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 ...
HS2 Ltd said a pair of tunnel-boring machines have each made five miles of progress on their 10-mile journeys under the Chiltern Hills.
2 D.925 Ryfylke tunnel: Norway 14.3 km (8.9 mi) 2019 2 13: 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
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 in Norway from Lærdal to Aurland is the world's longest road tunnel, intended for cars and similar vehicles, at 24.5 km (15.2 mi). The Zhongnanshan Tunnel in People's Republic of China opened in January 2007 is the world's second longest highway tunnel and the longest mountain road tunnel in Asia, at 18 km (11 mi).