 | |
| Overview | |
|---|---|
| Location | China Qinling Mountains |
| Status | Active |
| Route | G65 Baotou–Maoming Expressway |
| Start | Xi'an Chang'an District |
| End | Shangluo Town |
| Operation | |
| Work begun | March 2002 |
| Opened | 22 December 2007 |
| Technical | |
| Length | 18.040 km (11.210 mi) |
| No. of lanes | Two in each tunnel |
| Operating speed | Speed limit: 80 km/h (50 mph) |
| Highest elevation | 1026m |
| Lowest elevation | 896m |
| Width | 10.9m |
| Grade | 1.1% |
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. It is also the fourth longest road tunnel overall in the world, after the Lærdal Tunnel in Norway, the Yamate Tunnel in Japan 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. The cost to build the tunnel was 3.2 billion yuan (US$410 million). The maximum embedded depth of the tunnel is 1640 metres below surface level.
References
- ^ World's Second Longest Road Tunnel Opens in China, last accessed April 2013
- 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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