The Research On Several Problems Of City Transportation Planning Of The Highway Main-Hub

To counter the tendency of the development of the marketization, specialization, information-orientation, and modernization of highway transportation, this paper systematically and comprehensively addresses the problems of city main-hub planning, and particularly the problems of hub planning, passenger traffic, freight traffic, and traffic information planning, etc. The main aspects can be seen as the following:1. On the basis of forecast of the four indexes, through the modeling of traffic hinge station' s address-choice, according to the synthetical analysis of the distribution of economy, industry and population, city planning and traffic structure, etc in Chengdu, the planning of the main-hub of Chengdu is established and the module function and the structure of the highway hub systems are analyzed.2. The individuality of passenger traffic is analyzed. According to the trend of diversifying development, the demands of market, the planning of different means of passenger traffic, such as transport of tour, highway, country, is set up; its model of management and market development are also discussed.3. Based on the analysis of modern logistics development in Western area, the concept of building the western logistics system and the basic principles of the development of logistics information in Chengdu are put forward.4. The importance of main hub information construction is discussed in this paper. Taking the planning and building of the Chengdu Information Harbor as an example, the function, technology support and management model of the main hub information system are analyzed, and some indexes and methods of transportation planning system are given.