Measuring pedestrian exposure and risk in high-risk areas : final report.
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2016-11-01
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Edition:Final report
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Abstract:For the past three years, UDOT has been studying characteristics of high- and low-risk intersections for pedestrians
and cyclists in an effort to better understand what creates a dangerous environment for non-motorized travelers.
This research has resulted in a number of significant findings which have been incorporated by UDOT in design
standards (i.e. creation of a mid-block crossing standard, increased signal times, etc.). While this work has been
exhaustive in looking at the natural and built-environment surrounding and including each intersection, it has failed
to capture the element of human behavior. Ultimately no matter how “safe” we design an intersection to be, we
cannot directly affect the decision making and behavior of the pedestrians and cyclists traveling on the roadway.
This research utilized video footage from 9 intersections identified as high-risk for pedestrian and cyclist crashes.
2,062 individual crossings by pedestrians were evaluated regarding the individual crossing behavior at each
intersection. These crossings were coded based on the demographics of the non-motorized traveler, crossing
behavior (time, distractions, illegal behavior, etc.), and any interaction or degree of conflict with vehicles. Findings
include that a small number of crossing result in a minor or serious conflict (2%). A significant number of conflicts
occur when a vehicle is turning right (48%) or stops in the crosswalk (17%). A pedestrian exhibiting no distractions
is approximately 45% less likely to experience a potential conflict, while a pedestrian walking alone is over 400%
more likely to experience a minor conflict with a vehicle. Three recommendations are provided for reducing
pedestrian-vehicle conflicts including: improving the visibility of crosswalks, employing innovative treatments at
crossings, and implementing exclusive pedestrian signal phasing.
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Main Document Checksum:urn:sha256:49818e1254ae8d722280cc6b2d0ed2b6768e54c8501e13f2bd908ca7d285f9fc
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