A Study on Evaluation of the Winter Road Traffic Service based on User Concerns

This study aims to clarify process of outcome index on winter road traffic service based on user concerns. Firstly, we carry out questionnaire survey on user concerns in order to grasp their actual condition of trip and daily activity cause influence to satisfaction of administrative road improvement in snowfall. Secondly, we clarify causal relationship between actual condition of users trip and activity and evaluation to administrative road improvement by Covariance Structure Analysis method. Finally, we clarify process of outcome index methodically reflecting user concerns to winter road traffic service by causal structure model.