The construction of a tunnel along a section of the China-Myanmar international railway is underway in southwest China's Yunnan Province, Xinhua reported quoting local railway authorities.
The Dalin (Dali-Lincang) railway project department of the Railway No. 10 Engineering Group Co., Ltd said that, so far, more than 3,700 meters of the tunnel has been excavated.
The Dali-Lincang Railway, with a length of 202 km and a designed speed of 160 km per hour, is a key section of the China-Myanmar international railway. It is scheduled to be completed and open to traffic in 2021.
Construction on the 10.6 km Hongdoushan Tunnel started in May 2016.