The article introduces the Wuzongxian Road of expressway by rationally guiding the urban spatial layout and urban traffic structure, appropriately increasing the road supply, focusing on alleviating the congestion of interchange nodes, improving the density and connectivity of the secondary road network, and tapping the road potential to promote the sustainable development of traffic in the stock development stage . In this way, it may avoid the traditional way of constructing and reconstructing roads or interchanges simplily adopted, while the blocking points shifting or more blocking points appearing.