남동 임해 공업 지역의 주요 지역 간 접근성을 향상시키기 위해 건립되었으며, 남해안을 따라 조성되어 아름다운 해안 관광지와 연계되기도 한다.
It was erected to improve accessibility between major areas in the Southeastern Maritime Industrial Region, and was created along the southern coast of Korea to link with beautiful coastal tourist destinations.