Chongqing Rail Transit Line 15 Phase II approved, China June 11, 2021 | Asia Pacific News The Chongqing Development and Reform Commission has approved the feasibility report of Phase II of Line 15 of the Chongqing Rail Transit network. Phase II will span 32.8 km (30.5 km underground, 2.3 k... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password