Nanjing Yangtze River Tunnel Nanjing, China 2009Nanjing Yangtze River Tunnel: General Characteristics • Length: 1,208m, Width: 10m, Deck width: 8m, Lanes: 2 • Construction type: steel box girder supported on steel pillars. A total of 102 boxes welded together. • Location: Km 961 of the Coapas-Ocozocoautla highway in the state of Chiapas, Mexico. • In service since Dec. 2003. • Construction type: Shield T unnel • Length: 3,837m, Tunnels: 2

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