Planning Layout Method & Practical Research For Comprehensive Transportation Secondary Hub

Modern comprehensive transport system is the basis and protection of economic development.With the rapid development of our country's economy, transportation industry has come into the period of comprehensive framework of comprehensive progress and construction & improvement of comprehensive transportation system in our country has become an urgent need for economic development. As the transportation network's combination system of diverse transportation mode, comprehensive transportation hub is the important part of comprehensive transportation system, and it also plays an important role in comprehensive transportation and the city's development.Many reseaches have been done for the main hubs in domestic by now, but less concern for the secondary hubs. This paper analyzes comprehensive transportation secondary hub by using the method of system analysis. Firstly, it discusses system characteristic, composing, function and basic characteristic of system. Secondly, it studies the harmonious relation of various transportation manner and next following aspects: the layout of comprehensive transportation secondary hub and comprehensive transportation network, main hub, city. On the basis of this, this paper studies the methods how to select the position scheme of the comprehensive transportation secondary hub, compares the advantages & disadvantages between different methods, and chooses the comprehensive index sorting method and grey clustering method to analysis in example.Finally, in accordance with the above discusses, this paper makes an practical research to the layout planning for comprehensive transportation secondary hubs under Chengdu main hub and reaches the research purpose to combine theoretical research with actual situation.