indicates that all stations should become hybrid stations in t,he middle of the transition. Finally, the models are applled to Ybkohama City iii Japan and the solutions ofthe models are examined,

In this paper, we evaluate the impacts of height restriction and relaxation by sky factor focusing on digestion floor area ratio and building height. By considering the various site shape and building shape, we clarify how these regulation affects the digestion floor area ratio and building height. The analyses enable us to grasp the situations which a relaxation by sky factor have large advantages. Main results of this paper are as follows: (i) a relaxation by sky factor is advantageous when the site has large frontage; (ii) by utilizing the setback regulation, it is possible to acquire enough floor are ratio when the site of depth becomes large.

Ih this paper, we propose a new spatial interaction model for trip-chaining

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In recent years, electric vehicles (EVs) have gained prominence because of its reduction in CO 2 emissions and its departure from dependence on oil. As an increasing number of EV models are becoming commercially available, their popularity is expected to grow. Ongoing efforts to improve EV performance have not addressed inadequacies in their driving range, which is approximately 160 km. This is an issue particularly on highways in cases of long-distance driving. Hence, this research focuses on the EV support infrastructure of charging facilities on highways and proposes a mathematical model to estimate the number of EVs arriving at the charging facilities. Moreover, the model is applied to Japanese highway networks and its validity is examined. We change the number of power-feed intervals and infrastructure facilities and evaluate the various parameters to estimate the required number of EV charging facilities.