抄録
Drivability is one of important factor for evaluation of level of services on roads network. So that "Drivability Map"was produced by Ministry of Land, Infrastructure and Transportation Government of Japan in 2006. This paper aims to investigate drivers' evaluation of "Drivability Map" based on results of questionnaire survey conducted in 2006. Validity of drivability ranks which is used in "Drivability Map" is also confirmed through driving experiment. Furthermore present roads network in Japan is evaluated from viewpoint of drivability, and several problems are presented. Differences of density of roads network between Japan and the United Kingdom are investigated from perspective of drivability.
