The Guanzhong Urban Agglomeration Highway Network Planning Study

With the publish of "guanzhong metropolitan coordinating region constructionprogramming"(2008) and "the guanzhong-tianshui economic zone development plan"(2009),the guanzhong metropolitan coordinating region has developed into the core of the economiczone of shaanxi province, the development of guanzhong metropolitan coordinating regionplayde an about irreplaceable important role in Shannxi and the northwest region’s economicand social growth. At present, the metropolitan coordinating region has been in mature,Yangtze river delta metropolitan coordinating region has been at the first place of the world,but in our country, the planning of the metropolitan coordinating region area only about theindustry area, not for regional transportation network planning.The traffic network seperatedthe city, and impedes the development of metropolitan coordinating region economy effect, isnot conducive to the city and countryside integration development. And the development ofmetropolitan coordinating region need a economic and reasonable rapid transit system todistribute the stream of people, goods.The system also present the principle ofpeople-oriented.This article through the collection the theory of metropolitan coordinating region indomestic and foreign and typical metropolitan coordinating region spatial layout, using thebasic theory of urban traffic network, analysis the guanzhong metropolitan coordinatingregion of urban structure and traffic development needs in the future. Depends on the basis ofcurrent situation of the guanzhong metropolitan coordinating region’s development of socialeconomy, analyzing the characteristics of the metropolitan coordinating region spatialstructure and industrial structure, to predict future years economic and social development.Finally, to define expressway system in this paper, analysis the problems existing in theexpressway and which factors affecting rapid reasonable road network scale. Then predictingthe reasonable expressway scale. Node important degree method combined region locationmethod is used in the expressway network layout, choose corresponding index to evaluate theexpress network, and puts related suggestions on the implementation of construction scheduleand construction.