Test runs begin on Xi’an-Chengdu HSR, China November 22, 2017 | Asia Pacific News Test runs have begun on the 643-km long Xi’an-Chengdu high-speed rail (HSR) line in China. Revenue service is expected to start in 2018. A fleet of 10 trains will be deployed for daily se... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password