Daniel B. Fambro Student Paper Award: Modeling Dynamic Dilemma Zones Using Observed Yellow-Onset Trajectories

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Daniel B. Fambro Student Paper Award: Modeling Dynamic Dilemma Zones Using Observed Yellow-Onset Trajectories Powered By Docstoc
					Daniel B. Fambro Student Paper Award: Modeling Dynamic Dilemma Zones Using Ob...
Zhixia Li
Institute of Transportation Enginee
				
DOCUMENT INFO
Description: The ITE 2009 Daniel B. Fambro Student Paper presents a novel approach of modeling and measuring the dynamic dilemma zones. It identifies the varying values of the contributing factors under different approach speeds by using the observed vehicle trajectory data. A case study was conducted at a high speed intersection in Fairfield, Ohio, USA. Time-based yellow-onset trajectories were obtained using video-capture-based techniques and were then used to calibrate the dynamic dilemma zone model. Two alternative sets of ground-truth data with focuses on different levels of driving aggressiveness were established for the model calibration. The calibrated dilemma zone models well reflect the real-world dynamic driving behaviors by having varying values of the contributing factors. [PUBLICATION ABSTRACT]
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