Abstract
In this study, the security performance that becomes driver's management criteria in the expressway is defined. Next, the factor that leads to the security performance decrease has been extracted. And, it is tried to evaluate the degree of the satisfaction rating by arranging information felt that the driver is necessary, and showing the regulatory information, the cause, and the place, etc. in the security performance matrix with two or more evaluation axes. The security performance matrix applied to the performance design system. Finally, the questionnaire of the satisfaction rating is executed to the driver, and the effectiveness of the security performance matrix is confirmed.
