Longest Sea Bridge Open - The World's longest sea bridge, spanning 36.48 km across the mouth of the Jiaozhou Bay in eastern Shandong Province, opened to traffic on June 30, 2011, four years after construction started. The 14.8-billion Juan bridge connects urban quingdao with the city's less devel oped district of Huangdao.
The bridge shortens the route between huangdao and urban Qingdao by 30 km, cutting the travel time down from over 40 minutes to around 20 minutes.
Till now, the Hangzhou Bay Bridge across the bay of Hangzhou, in eastern Zhejiang province was con sidered the world's longest sea-bridge. Qingdao officials have also announced the completion of a 9.47 km-long undersea tunnel that runs parallel to the bridge.