城市轨道交通发展的阶段性研究

Study of Stage Character Development on Urban Rail Transportation

城市轨道交通的发展具有阶段性特征，自诞生至今已经历了生成期、成长期、成熟期３个阶段。通过对城市轨道交通发展历史和现状的分析，总结了各阶段的主要特征，并从可持续发展的角度展望了城市轨道交通的发展趋势。

This thesis mainly studies the stage character during different developing periods of respective stages on urban rail transportation. Up to date, the urban rail transportation has passed three periods: the Forming Period, the Growing Period and the Mature Period. On the basis of studying the history and present situation of urban rail transportation, the thesis concludes the main characteristics of different periods of respective stages. Finally, the thesis looks ahead the developing tendency of urban rail transportation from the view of the sustainable development.