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2020-05-29
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Copyright (c) 2020 Louis A Merlin, Chris R Cherry, Amin Mohamadi-Hezaveh, Eric Dumbaugh
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How to Cite
Residential accessibility’s relationships with crash rates per capita
Louis A Merlin
School of Urban and Regional Planning Florida Atlantic University
http://orcid.org/0000-0002-9267-5712
Chris R Cherry
Civil and Environmental Engineering University of Tennessee, Knoxville
Amin Mohamadi-Hezaveh
Civil and Environmental Engineering University of Tennessee, Knoxville
Eric Dumbaugh
School of Urban and Regional Planning Florida Atlantic University
DOI: https://doi.org/10.5198/jtlu.2020.1626
Keywords: Accessibility, Safety, Crashes, Travel Behavior, Exposure
Abstract
This paper examines the relationship between residential accessibility, i.e., accessibility from a person’s home address, and their likelihood of being in a crash over a three-year period. We explore two potential relationships with accessibility. The first is that persons who live in areas with high destination accessibility may drive less and therefore are less likely to be in vehicular crashes. The second is that persons who live in high vehicle miles traveled (VMT) accessibility areas may be exposed to higher levels of traffic in their regular activity space and therefore may be more likely to be in crashes of all modal types. Examining traffic analysis zones in Knoxville, Tennessee, this research finds some evidence for each of these hypothesized effects. These oppositely directed effects have dominant influence within different travel-time thresholds. The first relationship between destination accessibility and fewer crashes is found to be strongest for 10-minute auto accessibility, whereas the second relationship between VMT accessibility and more crashes is found to occur at 10-minute, 20-minute, and 30-minute thresholds.
Author Biography
Louis A Merlin, School of Urban and Regional Planning Florida Atlantic University
Louis A. Merlin completed his Ph.D. in Urban and Regional Planning at the University of North Carolina in 2014. Then Dr. Merlin served as a Dow Postdoctoral Fellow at the University of Michigan. Currently, Dr. Merlin is an assistant professor at Florida Atlantic University.References
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