Trial operations commence on Qingdao Metro Line 13 and Xi’an Metro Line 4; service begins on Jinan Rail Transit Line 1, China January 2, 2019 | Asia Pacific News Trial operations have commenced on Line 13 of Qingdao Metro. Line 13 spans 70 km from the intersection of Jialingjiang Road and Taihang Mountain Road to Dongjiakou railway station, covering 23 station... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password