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Arboriculture & Urban Forestry Online
Volume 45, Issue 2 — March 2019
https://www.isa-arbor.com/Publications/Arboriculture-Urban-Forestry

Frequency and Severity of Tree and Other Fixed Object Crashes in Florida, 2006—2013

Jeffery W. Van Treese II, Andrew K. Koeser, George E. Fitzpatrick, Michael T. Olexa, and Ethan J. Allen

Abstract: Roadside trees provide benefits to drivers such as traffic calming, roadway definition, and driver stress reduction. However, trees are also one of several roadway infrastructure elements commonly involved in single-vehicle crashes. In this study, Florida Highway Saftey and Motor Vehicle records were analyzed to: evaluate the relative frequency of tree-related crashes compared to other fixed-object crashes; assess the impact of roadway-, vehicle-, and driver-related factors on tree crash frequency; and compare the severity of tree crashes relative to other single-vehicle crashes. In accessing 3,033,041 crash records from 2006 to 2013 (all complete years), we identified 565,303 single-vehicle accidents (10.5%) and 47,341 tree-related accidents (1.6%). Trees were the fourth most common fixed object hit in urban single-vehicle accidents and the second most common fixed object hit in rural single-vehicle accidents. Driver gender, vehicle type, light conditions, weather conditions, and land use all were correlated with the frequency. Additionally, the injuries associated with tree crashes were more severe than all other single-vehicle crash types except vehicle rollovers.

Keywords: Frequency and Severity of Tree and Other Fixed Object Crashes in Florida, 2006—2013

https://doi.org/10.48044/jauf.2019.006


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