Change of Commuter Modal Choice and its Relation to Urban Form

Abstract

Though many kinds of countermeasures are executed to shift modes from private car to public transport, increasing private cars cause cerious traffic problems. This research aims to show the trend of commuter mode choice changes in 131 cities in Japan, and find factors that cause these changes. As the results, moterization of each city varied very wide, and that related to the urban form of each city. It is also detected that countermeasures without considering urban form must not effective.