In order to further improve the development level of land transportation in Lingang Special Area and serve the goals of industrial cooperation, transportation interconnection, ecological cooperation and cultural integration of the Special Area, the current situation and existing road network planning under the overall framework of comprehensive transportation are evaluated. The traffic development trend in combination with the new urban development orientation and space pattern is studied and judged. Based on this, the planning target and main strategy of the backbone road network are put forward. The backbone road network for three levels of the external, new special area and main urban area is built. The scale of important channels, the composition of passenger and freight functions, and the construction type are further studied, which provide the basis for the development of important regions and the implementation of the major projects in order to clear the short-term and long-term development directions, and provide the important support for the compilation of the "14 th Five-Year" Plan and the next level planning of the Special Area.