Excavation of the First Tunnel on the Xining – Chengdu Railway

From Chengdu-Lanzhou Railway Co., Ltd.，09:18, November 9，Located in Baozuo Township, Ruoergai County, Aba Prefecture, Sichuan Province, the construction site of Hongyuan No.2 Tunnel Exit of Xicheng Railway is a busy scene.，Workers are working on the tunnel exit guide wall.、Construction of pipe shed，It marks that the first tunnel of Xicheng Railway has entered the substantive construction stage.。 

 The newly-built Xining to Chengdu Railway is a medium and long-term high-speed railway network.“Eight vertical and eight horizontal”Zhong Lan（West）Components of the Wide high-speed railway Channel，Located in Qinghai、Gansu、Border area of three provinces in Sichuan。The total length of the line is 832.9km，The project utilizes the Chengdu-Lanzhou Railway 307 under construction..7km，Using Lanxin high-speed railway 26.3km，Length of the main line of the newly-built Haidongxi-Huangshengguan Section 498.9km，Among them, the newly built length in Sichuan Province is 172.6km,The design speed is 200 kilometers per hour，The construction period is 5 years.。（Zhang Yaoyan）

Source：Released in Sichuan

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