This paper focuses on the trunk line transportation on holidays, where several issues such as traffic congestion on some expressways have not been improved in lack of analyses of individual behavior. The mode choice behavior between a trunk line railway and an automobile on holidays is analyzed by applying the disaggregate mode choice model with the consideration of personal subjective factors. The paper discusses some findings such as characteristics of choice behavior, which imply both some suitable service plans for environment friendly railways to grasp demands back from automobiles and proper methods of surveys and analyses.

Container Ports in Japan are playing very important roles in lives of the people and social economy, but relevant status in Asia region become relatively low recently under the circumstances of globalization and diversification of the people's interest This study aims to clear up the reasons of low status in Japanese ports and tries to pursuit a resolution in Japanese port policy and coastal shipping policy especially based on the port management point of view.

The aim of this paper is to analyze the relation between the tax advantage in OKINAWA district and the number of flight at NAHA airport. In 1997, there is the airport related big tax change （advantage）in OKINAWA district：landing fee, charge for flight information, and petroleum oil tax. We observe that the 1997's tax change certainly affected the increasing number of flight at NAHA airport, especially about routing HANEDA-NAHA.