The Shenyang-Haikou Expressway was originally a part of the "Tongsan Expressway", and now it is the Shenyang-Haikou route in the unified national expressway planning, and it is the only expressway that runs through the southeast coastal areas of China. The country code is G 15. (The former Tongsan Expressway, also known as National Highway 0 10, or National Highway 0 10 and G0 10, starts in Tongjiang City, Heilongjiang Province and ends in Sanya City, Hainan Province, with a total length of 5,700 kilometers). Passing through cities: Shenyang-Dalian-Yantai-Qingdao-Lianyungang-Shanghai-Ningbo-Taizhou-Wenzhou-Fuzhou-Putian-Quanzhou-Jinjiang-Xiamen-Zhangzhou-Shenzhen-Guangzhou-Zhanjiang-Hai 'an-Haikou Shenhai Expressway Quanzhou section: Shenyang-Dalian section has been opened, and Dalian Tuyang Expressway section was opened to traffic at the end of 2007.