Sichuan-tibet railway started construction at the end of 20 14 and is expected to be fully open to traffic in 2026. By then, the traffic distance between Sichuan and Tibet will be greatly shortened, from more than 40 hours in the past to about 13 hours after opening. The Sichuan-Tibet line is a dual-purpose passenger dedicated line due to terrain and other reasons, with a design speed of 160-200 km/h, but it will not.

At the end of 20 14, construction started at both ends of Linla section and Cheng Kang section, among which Chengya Railway, which is relatively well built, is expected to be completed on 20 18, and the most important Sangzhuling tunnel of Linla Railway was officially opened on 2017, with a mileage of1320km.

Extended data;

The construction of sichuan-tibet railway is of great significance, that is, it can develop rich tourism resources along the route and promote the development of Shangri-La ecological zone, including the development of western Sichuan, which is one of the most important provinces in the western region. The radiation area of sichuan-tibet railway in Sichuan Province is 280,000 square kilometers, benefiting 3 million people.

There are abundant natural resources and various mineral resources along the Sichuan-Tibet line. However, due to traffic restrictions, the development has not formed a scale. The construction of sichuan-tibet railway will greatly benefit the economic development of the region, improve the investment environment and make the region get rid of poverty and become rich.

Moreover, southern Tibet has always been the most important strategic area of the motherland, including the Sichuan-Tibet Highway, which is an important national defense trunk line. However, the highway transportation capacity is poor and there are many restrictions. Sichuan-tibet railway is more conducive to the motherland's management and protection of southern Tibet, killing the ambitions of some countries.

Reference source; Baidu Encyclopedia-sichuan-tibet railway