2019 Volume 5 Issue 2 Pages A_33-A_39
This study paid attention on the fact that many drivers who go to a wrong direction when driving on a expressway tend to make an illegal reverse running before an IC tollgate to which the drivers get off the expressway. To grasp the reasons for this behavior, this study aims at classifying the behavior patterns of the drivers who went to a wrong destination. Firstly, cluster analysis whose variables were the evaluation values on loss consciousness on fee and time due to taking the wrong directions, and the evaluation values of driving behaviors estimated from the answers on safe driving self-diagnosis at driver license renewal was conducted so as to classify the answerers into four groups. Then, the risks perceived by the drivers of each group before the tollgate were considered. As a result, it was found that drivers with different driving behavior perceived different kinds of risks before the tolls.