University of Twente Student Theses


The Influence of Traffic Density and Repeated Exposure to Roundabouts on Driver Behavior

Akgül, M.T.D. (2023) The Influence of Traffic Density and Repeated Exposure to Roundabouts on Driver Behavior.

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Abstract:Several studies have shown different findings on how driving behavior and performance change as drivers are exposed to various types of road complexity. This study examined how driver behavior and performance changed when exposed to two under-investigated types of road complexity; repeatedly having to negotiate roundabouts and being exposed to varying levels of traffic density. A within-subjects repeated measures design with 25 participants was employed in this study. Participants drove in a control (no roundabouts or traffic density) and an experimental condition (with repeated roundabouts and varying levels of traffic density). The results indicated that deviation from the instructed speed, braking instances and crashes all increased with more traffic density. Moreover, when repeatedly having to negotiate roundabouts, only velocity and steering variance showed an increase. These findings were unable to fully support the hypothesis that with prolonged or repeated exposure to traffic complexity/obstacles, driver performance would deteriorate. The results suggest that the different types of traffic complexity might cognitively impact drivers in different ways, herewith divergently influencing their performance while driving. Follow-up research based on this study’s design, limitations, and recommendations should be conducted to investigate the intricate relationship between prolonged/repeated exposure to specific traffic complexities and driver behavior and cognition further.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
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