The two-story loop between the National Road 1A and the North-South Railway with the main road from Chu Lai port to Da Nang - Quang Ngai highway; Port construction, port logistics and Tam Hiep Chu Lai - Truong Hai urban area; Chu Lai - Truong Hai Bus Automobile Factory; The car showroom of Truong Hai from Quang Binh to Quang Nam, ... Implementation: Geological Survey, Topographic Survey.