China approves construction of Ningxia HSR, begins trial runs on Hainan Island HSR November 23, 2015 | Asia Pacific News China's National Development and Reform Commission has approved construction of the 618-km high-speed rail (HSR) line linking Xi'an with Yinchuan in the western autonomous region of Ningxia. The line ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password