
The Mount Erlang Tunnel is a road tunnel along Sichuan-Tibet Highway (
China National Highway 318), which connects China's
Sichuan Province and Tibet Autonomous Region. The tunnel is 4,176 meters long and was dug through
Mount Erlang
Mount Erlang () is a mountain in Sichuan province, China.
Located 50 kilometers west of Tianquan County, Sichuan, at an altitude of 3437 meters, and 172 kilometers away from Chengdu, it is the watershed of Qingyi River and Dadu River, which i ...
in
Sichuan Province.
It opened on December 8, 1999. Construction took three years and cost 470 million yuan (56.6 million US dollars).
It was built to reduce time and replaces one of the most dangerous parts of the highway, which had frequent accidents because of landslides, rain and foggy weather.
New Tunnel
Erlangshan extra-long tunnel under the same mountain was completed in 2018. It is a part of the Yakang Expressway and has a total length of 13 433 metres, making it the 11th longest road tunnel in the world as of 2021.
[ ] The tunnel passes through several seismic fault zones and its deeperts parts are 1 500 metres underground.
At its western end, the tunnel links up with the
Xingkang Bridge
The Xingkang Bridge or Luding Yaye Expressway Bridge as is a suspension bridge in Luding County, Sichuan, China that opened in 2018. The high deck is one of the highest in world. The bridge forms part of the G4218 Ya'an–Kargilik Expressway ...
.
References
See also
*
China National Highway 318
*
List of longest road tunnels
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Transport in Sichuan
Road tunnels in China
Buildings and structures in Sichuan
Tunnels completed in 2001