Study on QOS Evaluation and Restructuring of Road Space on Arterial Street Using Road Users Stress

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In this study, we conducted field surveys at shared use sidewalks and quantified the cyclist's stress caused by road structures and traffic situations by using Lorentz Plot, in order to discuss the evaluation for arterial road from the viewpoint of bicyclists. In addition, we clarified the factors of cyclist's stress on sidewalks and streets, separately. As the result, both the numbers of passing intersection and road width have an impact on the users' stress. And we defined the stress-level point which is regarded as a QOS index, estimated the object road sections by the development model and examined the effect of road structures improvement by sensitivity analyses. On the other hand, we collected the subjective assessment of bicyclists for the geometries and environments on both sidewalks and streets at arterial road through questionnaire and analyzed the relationship between users' evaluation and road situation by the multiple regression models.