The present, we are left various problem and subjects when we go ahead with city planning of welfare.For example, there are many factors of stairs, slopes and so on. Their problems prevent user of a wheel chair from running comfortably in the city. Especially, on the sidewalk, This study states one of important problems, that is a direction of a slope. For a front wheel is free wheel, some user usually take with acts of revising line. We think wheel chair users are burdened with this action seriously. The purpose in this study.I make clear the relevance to the moving speed.the locus and difficulty by experiment with the wheelchair and that investigate judging from the state of the speed or the locus is possible or not.
