September 5, 2008 (, August sixth days of the Lunar New Year), "Yangtze River first tunnel lane through.


2008 on September 5, 2009, in Shanghai Changxing Island to accept well, through the tunnel builders shield on celebrating. Date with the large diameter shield smooth entry into the Shanghai Changxing Island receives well, the world's largest diameter shield tunnel - Shanghai Yangtze River Tunnel Project through lane. Known as "the first tunnel of the Yangtze River Yangtze River Tunnel is about 8.9 kilometers long tunnel inside diameter of 13.7 meters, the tunnel outside diameter of 15.43 meters, is the world's largest diameter shield tunnel. The deepest burial depth of 55 meters.
2004 December 28, 2010, started as a large state transportation projects Shanghai Yangtze River Tunnel Project, borne by the shares of Shanghai Tunnel tunnel construction projects. [L $ dj��.����T]
this very large tunnel is located in the northeast of Shanghai connect the Shanghai land and Changxing Island, tunnel length of about 8.9 km, divided into upper and lower layers, the upper layer of double-barreled way six-lane highway, the lower the Shanghai Rail Transit Line 9 space to cope with the development plan of Shanghai Chongming, Changxing, Hengsha the "Mishima linkage". (History TodayOnHistory.com)