West Qinling Tunnel

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The West Qinling Tunnel (Chinese: 西秦岭隧道; pinyin: Xīqínlǐng Suìdào) is in the middle of the Lanzhou–Chongqing railway (Chinese: 兰渝铁路), crossing the Qinling. It is a 28236 metre dual-bore railway tunnel in Wudu District, Longnan City, Gansu, north-west China. It is the second longest railway tunnel in China, slightly shorter than the New Guanjiao Tunnel. The construction started in August 2008, and went on for a duration of about five months and five years using both Tunnel boring machines (TBM) and drill and blast methods.

West Qinling Tunnel
Operation
Opened	Dec 26, 2016
Technical
Track length	28,236 metres (92,638 ft)
No. of tracks	two single
Track gauge	1,435 mm (4 ft 8+1⁄2 in)

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