According to the development and reform commission of gannan Tibetan autonomous prefecture in gansu province, the national development and reform commission officially approved the feasibility study report of the xining - chengdu railway on January 10.

Xicheng railway is a national railway. Eight vertical and eight horizontal ” As an important part of the main longitudinal corridor of the high-speed railway, the lanzhou-guangzhou corridor is the main and fast corridor from the northwest to the southwest and south China. It is of great significance in promoting poverty alleviation and economic and social development in the areas along the route, and is a landmark project of the implementation of the western development strategy.

Xining, the capital of qinghai province, is connected to huangshengguan station of jian-lan railway in the north of the west cheng-lan railway.

The total length of the line is 836.45km, including 307.7km of jian-lan railway, 20.3km of xining to haishengguan high-speed railway, 502.45km of the connecting line between haishengdong and huangshengguan, and 14 new stations.

Railway level 1, double track, designed speed of 200km/h (some sections are reserved to speed up to 250km/h plane conditions), long-term planning annual transport capacity of passenger one-way 30 million/year, freight 5 million/year, mainly passenger transport, light cargo transport as a supplement.

After the completion of the project, the journey time from xining to chengdu is expected to be only about 5 hours.

The xicheng railway project is estimated to have a total investment of 81.49 billion yuan and a total construction period of 7.5 years. It is planned to start construction in 2020, including the section from cooperation to huangshengguan (construction period of 6 years) and xining to cooperation (construction period of 7.5 years).