Jiaozhou Bay Subsea Tunnel, also known as Jiaozhou Qingdao Bay tunnel. Huangdao District, Qingdao City, south of Xuejiadao Office of the streets, north of Qingdao City Tuandao, wearing in Jiaozhou Bay, the mouth of the bay. The tunnel will end, personnel exchanges across the Jiaozhou Bay on the ferry era, realize the West Coast half hour circle.