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Lianhushan #1 Tunnel China 5.225 km (3.247 mi) [ew] 2016 2 G15 23 Ningbo-Dongguan Expressway: Hulusi Tunnel China 5.215 km (3.240 mi) 2024 2 Mangshi-Lianghe Expressway Chenghaihu #1 Tunnel China 5.205 km (3.234 mi) 2024 2 G42 16 Chengdu-Lijiang Expressway: Tongluoshan Tunnel China 5.197 km (3.229 mi)
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 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 tunnel, which will be 18 kilometers (11.1 miles) long, is one of Europe’s largest infrastructure projects, with a construction budget of over 7 billion euros ($7.1 billion).
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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
Here’s a new and unusual way to take in the London skyline: by zipping down a tunnel slide that claims to be the world’s tallest—and longest.
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 ...