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Fuzzy Sets to Describe Driver Behavior in the Dilemma Zone of High-Speed Signalized Intersections

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dc.creator Hurwitz, David S.
dc.creator Wang, Haizhong
dc.creator Knodler, Michael A., Jr.
dc.creator Ni, Daiheng
dc.creator Moore, Derek
dc.date.accessioned 2012-03-08T23:04:11Z
dc.date.available 2012-03-08T23:04:11Z
dc.date.issued 2012-03
dc.identifier.citation Hurwitz, D. S., Wang, H., Knodler, Jr., M. A., Ni, D., & Moore, D. (2012, March). Fuzzy sets to describe driver behavior in the dilemma zone of high-speed signalized intersections. Transportation Research Part F: Traffic Psychology and Behaviour, 15(2), 132-143. doi:10.1016/j.trf.2011.11.003 en_US
dc.identifier.uri http://hdl.handle.net/1957/28205
dc.description This is the authors' peer-reviewed accepted manuscript, which is copyrighted by Elsevier. The final version of record can be found here: http://www.journals.elsevier.com/transportation-research-part-f-traffic-psychology-and-behaviour/ en_US
dc.description NEWS COVERAGE: A news release based on this journal publication, which is written for a lay audience and has been approved by an author of the study, is available online: http://bit.ly/zAK6l9 en_US
dc.description.abstract The Type II dilemma zone describes a segment of road on the approach to a signalized intersection where, if occupied by a motorist presented with the circular yellow indication, is likely to result in a motorist having difficulty deciding to stop at the stop line or proceed through the intersection. This phenomenon results in increased frequency of three failure conditions: rear-end collision at the stop line (excessive deceleration rates), the more severe right-angle crashes in the intersections, and left-turn head-on collisions (both resulting from incorrect estimates of clearance time). A more effective boundary definition for Type II dilemma zones could contribute to the safe design of signalized intersections. The prevailing approaches to dilemma zone delineation include the consideration of the vehicle’s travel time to the stop line or the driver’s likelihood of stopping at a particular distance from the stop line. The imprecision of the driver’s perception of speed and distance suggest that fuzzy logic may contribute to the identification of the Type II dilemma zone boundaries. A fuzzy logic (FL) model was constructed and validated from driver’s empirically observed behavior at high-speed signalized intersections. The research resulted in an increased understanding of the phenomenon which, when applied to the timing of signals and the placement of vehicle detection, can improve the overall safety of signalized intersections. en_US
dc.description.sponsorship The initial data collection for this research initiative was funded by the Vermont Agency of Transportation (VTrans). en_US
dc.language.iso en_US en_US
dc.publisher Elsevier en_US
dc.relation.ispartofseries Transportation Research Part F: Traffic Psychology and Behaviour en_US
dc.relation.ispartofseries Vol. 15 no. 2 en_US
dc.subject Dilemma zone en_US
dc.subject Signalized intersections en_US
dc.subject Safety en_US
dc.subject Driver behavior en_US
dc.title Fuzzy Sets to Describe Driver Behavior in the Dilemma Zone of High-Speed Signalized Intersections en_US
dc.type Article en_US


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