Tanggula Station is the railway station with the highest altitude in the world. It is an existing station and an important tourist station of the Qinghai-Tibet Railway. Its passing capacity directly affects the passenger and freight capacity of the Qinghai-Tibet Railway. In 2016, the capacity expansion and reconstruction project of the Gera section of the Qinghai-Tibet Railway was officially launched. The builders once again set foot on this snow-covered plateau and rejuvenated the Qinghai-Tibet Railway through the capacity expansion and reconstruction of the station.

It is not easy to expand the station capacity in the snow-covered plateau with an altitude of more than 5,000 meters. Alpine hypoxia, permafrost, and fragile ecology. In addition to facing the three major global problems of building plateau railways, the builders also have to solve high-density construction and simultaneous construction. Operation, long-distance organization, multi-dimensional coordination, and security prevention and control problems under the superposition of various limitations.

In August 2018, the capacity expansion and reconstruction project of the Gera section of the Qinghai-Tibet Railway was completed, the total number of stations increased from 45 to 58, 5 pairs of trains were added, and the transportation capacity was increased by 80%. The train capacity of the railway.Editor/Ma Xue