Abstract:In view of the overall design of Gannan Avenue Expressway (Ganxian Section), its laying form is demonstrated, and the overall layout, and the flat, vertical and horizontal designs of its entrances and exits are analyzed in detail. Based on the current land use and planning land use, according to local conditions, the section is laid by the form of "elevated road + ground side road", "ground main road + two-side ground side road". Under the condition of meeting the traffic functions, the overall investment is reduced, the value of land on both sides is improved, and the expressway is integrated into the surrounding environment.