中文摘要：

在传统“四阶段法”不满足城际出行研究要求的情况下，借鉴出行活动分析理论对城镇群内城际出行行为进行研究。通过构建城际出行链理论模型，结合长江三角洲城镇群旅客城际出行调查数据，采用统计分析方法，探讨了城镇群内旅客城际出行全过程的时空变化规律，分析了各类客流在城际出行不同阶段的差异性。

英文摘要：

As the old ＂four-stage＂ method can＇t adapt to the research of intercity travel, this paper draw lessons from activity-based approach and focus on the intercity travel behavior in metropolitan. Then adopting statistics analysis tool, this study makes a further analysis of the rules and characteris- tic of travel activities in the Yangtze River Delta urban agglomeration based on the travel behavior sur- vey,puts forward the theoretical framework of intercity trip chain for the first time, and finds out the difference of travelers with various purpose in every stage of intercity trip.