Mount Erlang Tunnel
From Infogalactic: the planetary knowledge core
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 8,596 meters long and dug through Mount Erlang in Sichuan Province.[1]
It opened on December 8, 1999. Construction took 3 years and costed 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 occurred because of landslides, rain and foggy weather.[1]
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