Abstract:Under the demands of sustainable development,such as energy conservation,emission reduction,environment protection and land conservation,to construct well-developed interregional and region-urban traffic passages is a significant proposition that determines the development level of urbanization.Firstly,this paper analyzes the development demand of traffic under the background of rapid urbanization.Then,it discusses the comprehensive and comparative advantage of high-speed railway,and points out that high-speed railway will provide more positive and more effective and sustainable solutions coping with the traffic problems in the process of urbanization in china.On this basis,the paper introduces China’s great scale trunk lines and regional high-speed railway network planning,as well as advanced technology and equipment capabilities of China.It provides new development ideas and models for accelerating the advancing of the process of urbanization.