Abstract：Research purposes: On the background of the contradiction between supply and demand of resources and environment problem becoming increasingly prominent，from the perspective of regional sustainable development of regional economy，this paper analyzes the necessity of building intercity rail transit to satisfy intercity demand of passengers between central cities．
Research conclusions: This paper analyzes the role of intercity rail transit in promoting the regional economy from three aspects: optimizing the layout of urban spatial structure，integrating the transport networks in city group and promoting industrial development，proposes the basic intension of the coordinated development between rail transit and regional economy from four aspects: coordination in technology，coordination in benefit and coordination in system，and also analyzes the role of Changsha － Zhuzhou － Xiangtan intercity railway in promoting the economic development in this area according to planning and construction of this railway． The analysis result shows the intercity rail transit is not only the key transportation way between cities，but also it can promote the sustainable development of the regional economy．
杨问春,吴小萍. 基于区域经济可持续发展的城际轨道交通研究[J]. 铁道工程学报, 2011, 28(3): 86-89.
YANG Wen － chun，WU Xiao － ping. Research on Intercity Rail Transit for Sustainable Development of Regional Economy. 铁道工程学报, 2011, 28(3): 86-89.
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2011, Vol. 28 
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