【摘要】 在系统回顾陕西公路交通发展演进历程与特点的基础上,对陕西公路交通发展的现状、存在问题及新形势下陕西公路交通发展的现实需求进行了分析。基于此,从实现公路网结构优化着手,建立了基于通行能力、运输效率和等级结构分析的多目标规划模型,并对今后陕西省公路网络的发展结构进行了测算,进而提出了实现陕西公路交通持续健康发展的优化策略和建设重点。更多还原

【Abstract】 Based on the systematic review of the development and characteristics of highway transport in Shaanxi Province,this paper analyzes the status quo,existing problems and demand of highway transport in the new situation of Shaanxi Province.And then,from the point of the realization of highway network structural optimization,a multi-objective programming model is established based on the analysis of highway traffic capacity,transport efficiency and hierarchical structure,and the future structure of the highway network in Shaanxi Province is also estimated.Finally,the paper puts forward some optimization strategies and construction priorities to achieve the Shaanxi′s sustainable and healthy development of highways in the future.更多还原