An Analysis on Relations between Transportation and Activities Based on One Day’s Travel Time

摘要

In Japan, the travel time especially the commuting time in the metropolitan areas, for example, thernTokyo metropolitan area, is so long that it becomes a social problem the government faces to. Inrnorder to make an appropriate policy, it is necessary to understand the current situation. For it, thernanalysis may be made from many different aspects, authors made an investigation from thernviewpoint of the travel activity analysis in this study.rnConcretely, this study analyzed the difference of one day’s travel time and then the relationrnbetween transportation and activities among the metropolitan areas or prefectures in Japan. Thernstudy is based on the ideas of the "time budget" from the "travel activity analysis."rnThe data of the travel time used in the study are the data collected by NHK every 5 years, so therntime serial analysis can be carried out. The time serial data are used to investigate the change ofrntravel time (one day’s travel time). Further, the cross-section data are used to make the regressionrnanalysis between the one day’s travel time and the other social, economic and transportation factorsrnin the unit of prefecture. Moreover, the Factor Analysis approach is applied for understanding therncharacteristics of each prefecture (metropolitan area).