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Sela Tunnel is a road tunnel at 3,000 metres (9,800 ft) which ensures all-weather connectivity between Guwahati in Assam and Tawang in Arunachal Pradesh. This tunnel is the longest bi-lane tunnel in the world at 13,000 feet. Situated 400 metres below the Sela Pass, the Sela Tunnel offers a vital passage, especially during the winter season.
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
Daiyunshan Tunnel China 5.850 km (3.6 mi) [dj] 2017 2 G2517 Shaxian-Xiamen Expressway: Lianghekou Tunnel China 5.840 km (3.629 mi) 2010 1 Lianghekou Hydroelectricity Power Station Road Shixia Tunnel China 5.833 km (3.6 mi) [dk] 2018 2 S3801 Beijing-Chongli Expressway Jiangjunshi Tunnel China (Sichuan-Gansu)
The tunnel, whose official name is Fehmarnbelt Fixed Link, will also be the longest combined road and rail tunnel anywhere in the world. It will comprise two double-lane motorways – separated by ...
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 latest undertaking is expected to widen the current four-lane segments along nearly 10 miles of the I-64 corridor in Norfolk and Hampton, with new twin tunnels across the harbor.
It is constructed with one pilot tunnel and two main tunnels for eastbound and westbound traffic. The total length is 12.942 km (8.042 mi), making the Hsuehshan Tunnel the ninth longest road tunnel in the world (fifth at the time of opening) and sixth longest in East Asia. The tunnel opened in June 2006 to severe traffic jams. [3]
The tunnel, concealed with wooden panels and hidden access through a sewer, measured approximately 300 meters on the Mexican side, with dimensions of 1.80 meters in height and 1.20 meters in width.