Journal article
Pedestrian signalization and the risk of pedestrian-motor vehicle collisions in Lima, Peru
Accident analysis and prevention, v 70, pp 273-281
Sep 2014
PMID: 24821630
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
• We examine pedestrian-motor vehicle collisions and signalization in Lima, Peru.
• Some types of pedestrian signals were associated pedestrian collisions.
• Longer crossing times for pedestrians were associated with pedestrian collisions.
• Lack of signal effectiveness may be due to low compliance with signalization.
Safe walking environments are essential for protecting pedestrians and promoting physical activity. In Peru, pedestrians comprise over three-quarters of road fatality victims. Pedestrian signalization plays an important role managing pedestrian and vehicle traffic and may help improve pedestrian safety. We examined the relationship between pedestrian-motor vehicle collisions and the presence of visible traffic signals, pedestrian signals, and signal timing to determine whether these countermeasures improved pedestrian safety. A matched case-control design was used where the units of study were crossing locations. We randomly sampled 97 control-matched collisions (weighted N=1134) at intersections occurring from October, 2010 to January, 2011 in Lima. Each case-control pair was matched on proximity, street classification, and number of lanes. Sites were visited between February, 2011 and September, 2011. Each analysis accounted for sampling weight and matching and was adjusted for vehicle and pedestrian traffic flow, crossing width, and mean vehicle speed. Collisions were more common where a phased pedestrian signal (green or red-light signal) was present compared to no signalization (odds ratio [OR] 8.88, 95% Confidence Interval [CI] 1.32–59.6). A longer pedestrian-specific signal duration was associated with collision risk (OR 5.31, 95% CI 1.02–9.60 per 15-s interval). Collisions occurred more commonly in the presence of any signalization visible to pedestrians or pedestrian-specific signalization, though these associations were not statistically significant. Signalization efforts were not associated with lower risk for pedestrians; rather, they were associated with an increased risk of pedestrian-vehicle collisions.
Metrics
Details
- Title
- Pedestrian signalization and the risk of pedestrian-motor vehicle collisions in Lima, Peru
- Creators
- D. Alex Quistberg - Harborview Injury Prevention and Research CenterThomas D. Koepsell - University of WashingtonLinda Ng Boyle - Harborview Injury Prevention and Research CenterJ. Jaime Miranda - Cayetano Heredia UniversityBrian D. Johnston - University of WashingtonBeth E. Ebel - Seattle Children's Research Institute
- Publication Details
- Accident analysis and prevention, v 70, pp 273-281
- Publisher
- Elsevier
- Number of pages
- 9
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Urban Health Collaborative
- Web of Science ID
- WOS:000337855300031
- Scopus ID
- 2-s2.0-84900453011
- Other Identifier
- 991019187072504721
UN Sustainable Development Goals (SDGs)
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Source: SDGs in the Output
InCites Highlights
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Ergonomics
- Public, Environmental & Occupational Health
- Social Sciences, Interdisciplinary
- Transportation