2014•Transportation Research Board 93rd Annual MeetingTransportation Research BoardRequires access
Pedestrian Safety Under Permissive Left-Turn Signal
Yi Qi, Aohan Guo
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Abstract
At the intersections with permissive only signal control, pedestrians will move at the permissive phase with the parallel through vehicular movement and left-turn vehicles, the left-turn vehicles have to yield to both opposing vehicles and pedestrians at crosswalk. Under such complicated driving conditions, collision risks rise if left-turn vehicles make misjudgments and fail to yield to the pedestrians. In this research, the driving-simulation based experiments were conducted for identifying and assessing the impacts of the factors that contribute to the collision between left-turn vehicles and pedestrians during the permissive left-turn phase. The results of this study showed that the percentage of left-turn trucks and the pedestrian volume has significant impacts on the pedestrian safety under permissive left-turn signal control