We couldn’t find any practically useful data of social costs of air pollution available so far in Japan, especially estimated data related to the social costs of global warming in transport sector couldn’t be found. Taking this shortcoming into account, we adopted the contingent valuation method as one of methods for estimating the social cost, which could be defined as the amount that Japanese people would be willingness to pay for government policy measures to counter either the positive or negative effects on the Japanese environment and society, caused by rising air temperature from 1 to 2.5C resulting from double level of atmospheric CO₂. Several types of questionnaires were designed referring NOAA guidelines and they were used to survey 2059 people in Tokyo, Nagoya, Osaka, Sendai, Okayama, and Kumamoto. The survey showed that respondents would pay ¥7,394 - ¥9,527 per year to prevent global warming. This figure was used to determine the social cost per tone-carbon, which came to ¥7,468 - ¥9,622/tC.

As the result of development of railway network in metropolitan area, passengers have been able to choose several railway routes and their stations. This study is to propose a GIS based railway planning system on the basis of 100m-grid special data, which traces the above mentioned passenger's individual behavior as possible. In order to establish it, the system has disaggregate modeling scheme (main mode choice and railway station choice). The system results in (1) measuring not only line-haul condition but also access and egress, (2) forecasting much precise railway passenger demand in consideration of access to the station and (3) displaying graphic maps.

Almost all prefectures have developed advanced port/airport facilities such as container berth with large depth and long runway, and then port/airports have been promoted as a matter of course. Handling amount of local port/airports, however, has not been increased as developer's expectation, because management of them is not matured as large ports and many shippers are not interested in changing transportation route. In this study, six guidelines for port/airport promotion are indicated based on a survey of shippers' behavior and intention.

The sizes of container vessels are getting larger and larger in recent years. Previous studies evaluated this trend in terms of world fleets. This paper deals with this trend by the viewpoint of developing the container berths in Japan. In this paper, the data of container vessels that call at Japanese port are analyzed. Furthermore, the developing plan of container berths is examined by comparing with the trend of container vessels.