Passenger service commences on Chongqing–Guiyang HSR, China January 25, 2018 | Asia Pacific News China Railway High-speed (CRH) has commenced passenger services on the Chongqing-Guiyang high-speed rail (HSR) system in China. The line spans 347 km and covers 12 stations. It required an investment ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password