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Qinling-Zhongnanshan Highway Tunnel
Source:CREC Date:2018年11月28日

?Started in 2002 and opened to traffic in 2007, Qinling-Zhongnanshan Highway Tunnel is the world's longest double-hole highway tunnel with a total length of 18.4 kilometers. CREC independently built about 49% of the tunnel.

Qinling-Zhongnanshan Highway Tunnel

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