Nanjing Metro inaugurates new lines and extensions June 1, 2010 | Asia Pacific News Nanjing Metro has inaugurated a second line and a 25 km southern extension of Line 1 on May 28, 2010, increasing the network’s route length from 22 km to 85 km and the number of stations from 16... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password