Work begins on a high-speed passenger dedicated railway line in southwest China March 25, 2010 | Asia Pacific News China has begun the construction of a high-speed railway line connecting Chongqing and Chengdu. The 308 km rail link in southwest China is being built for a speed of 350 km/hr and is expected to reduc... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password