Abstract
At the Tohoku Earthquake occurred on March 11,2011，it is announced that commuters unable to get home reaches at least about 116,000 people in the Tokyo Metropolitan area. A necessity of alternative transportation which complement land transport at the time of the disaster is recognized again. In this study, we examined the design of system for placing the disaster prevention jetties regarding the use of the time of disaster from the operator and the user perspective. As a result, it is emerged that the government who is an operator of the disaster prevention jetties has not been set a specific plan for operation at present. In addition, it is emerged that the users have not been recognized the existence and the function of the disaster prevention jetties.
