United States Department of Transportation
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Pedestrian Traffic Signal Violations: Safety, Design, and Operational Implications
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2023-05-01
[PDF-3.55 MB]
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Edition:Final Report September 2020 to May 2023
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Abstract:The objective of this research project is to improve pedestrian safety at signalized intersections by focusing on pedestrian signal violations: measuring behaviors, associating characteristics and locations, and identifying potential mitigation strategies. In this project, we recorded videos and collected and analyzed observational data on pedestrian crossing behaviors, specifically: 5,589 pedestrian crossing events for 47 crosswalks at 39 signalized intersections in Utah. After linking these data with information about the location and traffic signal status, we performed descriptive and statistical analyses of the assembled data to identify people, conditions, and locations with greater and lesser rates of pedestrian spatial and temporal violation behaviors. The large majority of pedestrian crossing events did not exhibit a spatial or temporal violation behavior. Nearly all pedestrians (97–98%) crossed in or within a few feet of the crosswalk; only 2–3% of crossing events happened mid-block, more than a car length away from the crosswalk. A large majority (89%) of pedestrian crossing events occurred without any time spent in the intersection against a conflicting green movement. However, about 5–6% of the time, there were pedestrians in the crosswalk for at least 5 seconds while a conflicting protected vehicle movement had the green light. Bivariate and multivariate statistical analyses identified various factors (pedestrian, waiting, crossing, temporal, and weather information; as well as crossing, intersection, land use, built environment, and neighborhood sociodemographic characteristics) associated with these behaviors. Based on the study’s findings, we present several recommendations for treatments to improve intersection pedestrian safety and opportunities for future research.
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