Passenger service to commence on Kunming Rail Transit Line 5 in 2022, China June 15, 2022 | Asia Pacific News, News Passenger service on Kunming Rail Transit Line 5 is expected to commence in 2022. Construction work on the line is complete and continuous tests are being conducted on the line. Trial on the line sta... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password