Towards Sustainable Transport : Developing Indicator & Analysis Framework, and their Assessment

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This research project explores roads toward sustainable transport, with particular emphasis on developing indicators such as social costs and models which will be able to assess related transport policies. Several arguments are substantiated by empirical evidence from our analyses. Especially, interesting is the study regarding the social costs of the roadway transport in Japanese cities. The results indicate that(1) as the scale of the city increases, the social costs of the auto grow with accelerating speed ;(2) new roads do not contribute to a decrease in social costs, but public transport contributes slightly ;(3) automobile use is significantly underpriced, resulting in over-consumption and inefficient use of resources