Sichuan Tibet Railway is one of the 5 railways that goes to Tibet Lhasa. There are 26 bridges and 7 tunnels in Sichuan province are being built in the beginning of 2017. It goes through Pujiang, Yaan, Kangding, Litang, Dzongong, Nyingtri, Tsetang and arrive at Lhasa, its length is about 1629 km, and its design speed is 160 km per hour, it takes about 16 hours or so to reach Lhasa from Chengdu.
Sichuan Tibet railway includes three parts, of which are Chengdu to Kangding; Kangding to Nyingtri and Nyingtri to Lhasa. it is planned to be completed in 2025