China News Network write on the 11th, the Xiling Tunnel of Xishi High-speed Railway has completed. It is a control project and longest tunnel in project. It goes under Qinling Mountains. Tunnel has two tubes. Left tube is 18083 meter long and right tube 18032 meter long. Total lenght of Xishi High Speed Railway is 20036 meter.

Design speed for trains is 350 kilometers per hour.

Project owner Shaanxi Company of the Xi'an-Chengdu Passenger Line and constructor is China Railway Seventh Bureau.

https://m.chinanews.com/wap/detail/cht/zw/10398083.shtml