description Zhongnanshan Tunnel Overview
The Zhongnanshan Tunnel is a pair of 18.04-kilometer highway tunnels located in Shaanxi Province, China. Opened in 2007, it carries traffic on the Xi'an–Hanzhong Expressway (G65) through the Qinling Mountains. At the time of its completion, it was recognized as the longest dual-tube highway tunnel in the world. The structure significantly reduces travel time between the cities of Xi'an and Hanzhong by bypassing mountainous surface roads.
help Zhongnanshan Tunnel FAQ
How long is the Zhongnanshan Tunnel?
The Zhongnanshan Tunnel stretches for a massive 18.04 kilometers, making it the longest road tunnel in China. This impressive engineering feat provides a crucial route through the mountainous terrain.
What highway is the Zhongnanshan Tunnel a part of?
The tunnel is a key component of the Xi'an–Hanzhong Expressway in Shaanxi Province. It was specifically built to allow highway traffic to efficiently cross the rugged Qinling Mountains.
When did the Zhongnanshan Tunnel open to traffic?
The Zhongnanshan Tunnel officially opened in the year 2007. Its completion drastically reduced travel times between the cities of Xi'an and Hanzhong.
Are there multiple tubes in the Zhongnanshan Tunnel?
Yes, the tunnel is a twin-tube structure, meaning there are separate parallel tunnels for each direction of traffic. This design is standard for major highway tunnels to improve safety and ventilation.
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