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Short tunnel (<250m) By 2012, there are 10,022 road tunnels and 8,052.7 km in total length in mainland China, including 441 super-long tunnels with 1,984.8 km in total length and 1,944 long tunnels with 3,304.4 km in total length. [2] This page lists the road tunnels longer than 5 km (3 mi) in mainland China. [3]
Dapingshan Tunnel China 7.305 km (4.539 mi) 2026 2 Cangnan-Taishun Expressway Huoshan Tunnel China 7.197 km (4.472 mi) 2024 2 G42 16 Chengdu-Lijiang Expressway: Gewa Tunnel China 7.148 km (4.442 mi) 2027 2 G76 11 Duyun-Shangri-la Expressway: Dahuashan Tunnel China 7.130 km (4.430 mi) 2027 2
Jinjiazhuang Tunnel (Chinese: 金家庄隧道) or Jinjiazhuang Spiral Tunnel (Chinese: 金家庄螺旋隧道), is the world's longest highway spiral tunnel. [ 1 ] [ 2 ] The spiral has a curve radius of 860 metres (2,820 ft) and the elevation difference between the tunnel entrance and exit is 112 metres (367 ft).
Zhongnanshan Tunnel, or Qinling Zhongnanshan Tunnel (Chinese: 秦岭终南山公路隧道) in Shaanxi province, China, is the longest two-tube road tunnel in China. [1] It is also the fourth longest road tunnel overall in the world, after the Lærdal Tunnel in Norway , the Yamate Tunnel in Japan [ 1 ] and WestConnex in Australia.
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
Longest road tunnel in Turkey Hydroelectric Jisha Hydroelectric Power Station Water Tunnel Yunnan, China 14,467 m (8.989 mi) 2007 Road Twin tube Ryfylke Tunnel: Stavanger–Strand, Norway 14,400 m (8.948 mi) 2019 Longest underwater road tunnel in the world Water supply #6 Tunnel, Yellow River Diversion to Shanxi South Line Shanxi, China
Cheung Tsing Tunnel (cross-mountain) (road) Cross-Harbour Tunnel (underwater) (road) Eagle's Nest Tunnel (cross-mountain) (road) Eastern Harbour Crossing / Tseung Kwan O line (road and metro) Kai Tak Tunnel (beneath site of former Hong Kong International Airport) (road) Lion Rock Tunnel (cross-mountain) (road and water pipe)
[6] [7] The bridge and tunnel were planned together as the Jiaozhou Bay Connection Project. [8] The contiguous length of the tunnel road is about 7.8 km (4.8 mi), part of which is underground and part under the sea. [9] The sub-sea portion is 3.95 km (2.45 mi). [9] The deepest point of the crown of the tube to sea level is 74 meters. [9]