United States Department of Transportation
i
Empirically-based performance assessment & simulation of pedestrian behavior at unsignalized crossings.
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2014-09-01
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[PDF-5.09 MB]
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Abstract:The objective of this research was to provide an improved understanding of pedestrian-vehicle interaction
at mid-block pedestrian crossings and develop methods that can be used in traffic operational analysis and
microsimulation packages. Models describing driver yielding and pedestrian gap acceptance behavior were
developed from field data collected at 27 mid-block pedestrian crossings in three states (Alabama, Florida,
and North Carolina), encompassing two different types of land use: university campuses and downtown
areas. The project included an in-vehicle driver behavior study with 15 drivers. This part of the data
collection was performed in Florida and the results were used to develop nine simulation components
describing various aspects of pedestrian-vehicle interaction. Specific outcomes for this research include:
(a) a standalone model of pedestrian gap acceptance behavior at unsignalized crossings, (b) a driver yielding
behavioral model, (c) models describing vehicle dynamics and driver behavior in advance of the crosswalk,
(d) prototype algorithms incorporated and tested in a micro simulator, and (e) educational modules for
dissemination of the research results. Key deliverables include the prototype algorithms implemented in
simulation, a final report summarizing the research and findings, and educational modules on the research
results that can be incorporated into university curricula, or serve as material for standalone professional
development courses.
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