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 18,040-metre (11.21 mi) long tunnel, crosses under the Zhongnan Mountain (Zhongnanshan). It opened on 20 January 2007, becoming part of the Xi'an-Ankang Highway between the Changan and Zhashui counties.[1] The cost to build the tunnel was 3.2 billion yuan (US$410 million).[1] The maximum embedded depth of the tunnel is 1640 metres below surface level.[1]

References

  1. Norway's Lærdal Tunnel (24.5 km (15.2 mi)), Australia's WestConnex (21.8 km (13.5 mi)), Japan's Yamate Tunnel (18.2 km (11.3 mi)), China's Zhongnanshan Tunnel 18 km (11 mi).

33°53′N 108°58′E / 33.883°N 108.967°E / 33.883; 108.967

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