Key Points of Design of Added Expressway Interchange in Urbanization Area
With the rapid development of urbanization,more and more urban expressways have assumed the function of urban traffic,and some expressways have serious congestion,which greatly affects the overall efficiency of highway network and urban operation.Con-sidering the factors such as land use planning,road network structure,transportation mode,transportation demand and construction con-ditions,the need to promote the rapid connection and conversion of existing highways and urban road network through new interworking is increasing day by day.Taking the interchange of Wangcheng economic development zone of Changsha as an example,this paper sys-tematically expounds the key points of added interworking design of expressways in urbanization areas from the aspects of planning demonstration,technical indicators,interchange forms,traffic dispersal.
urbanizationinterchangearterial roadkey points of design