Tunnel · People's Republic of China
How much did the Zhongnanshan Tunnel cost to build?
The Qinling Zhongnanshan Highway Tunnel carries the Xi'an–Zhashui expressway under the Qinling Mountains in Shaanxi, China. It has two tubes, each 18.02 km long with two lanes in one direction and a design speed of 80 km/h, which made it the world's longest twin-tube road tunnel; driving through takes about 15 minutes. Full construction began in March 2002 and the tunnel opened on 20 January 2007.
Reported project cost
CNY 3.193 billion
Approximately $419.72 million
Cost basis: 2007
Cost evidence
Basis of the published figure
Project metrics
Key dimensions
- Total lengthXinhua News Agency
- 18.02 km
Project record