Model of Multimodal Composite Transportation Network

This paper analyzed the logic structure of composite transportation system which was composed of car network, bus network and urban rail network, and represented the logical relation between each modal-sub-network by building 3D model. By analyzing the constituent structure of composite network, choosing attributes and analyzing travel impedances, the composite traffic system network was established, and the traffic assignment law in the composite network was explained. Thus, a model is proposed to describe the multimodal composite transportation network. Finally, simulation process of transport planning was proposed and explained by taking Yang Hu Yuan Area planning in Changsha as an example based on TransCAD software. The results show the feasibility and efficiency of the proposed model.