The Xinmin–Tongliao high-speed railway is a high-speed railway in China. Opened on 29 December 2018, it is the first high-speed railway to cross into Inner Mongolia. Route The south-to-north line is long and has a design speed of . At its southern terminus are connections to the Beijing–Shenyang high-speed railway in both east and west directions. Stations References High-speed railway lines in China Railway lines opened in 2018