Chengdu–Guiyang High-Speed Railway

Chengdu-Guiyang high-speed railway is a major trunk high-speed railway between the provincial capitals of Chengdu, Sichuan and Guiyang, Guizhou via a small section traversing north east Yunnan province. It was selected for construction under the 11th Five Year Plan set by the Chinese Government. Construction started in 2010 and was expected to be completed by 2014. The northern section of this line between Chengdu and Leshan forms the southern part of the operational Chengdu–Mianyang–Leshan intercity railway.The 135 km Chengdu – Leshan section opened in 2014, the 141 km Leshan – Yibin opened in June 2019, while last 372 km Yibin - Guiyang section opened in December 2019. Almost 82% of the route is on 468 bridges or in 183 tunnels.

Source: Wikipedia