Passenger services begin on Dalian Metro Line 2 extension and Kunming-Dali HSR, China June 27, 2018 | Asia Pacific News Passenger services have commenced on the 3.1-km underground extension of Dalian Metro Line 2 from the Airport to Xinzhaizi. The extension covers one station. With the opening of the extension, Line 2 ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password