Investigation of factors associated with truck crash severity in Nebraska.
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2012-06-01
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Edition:Final report; July 1, 2010-June 30, 2012.
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Abstract:The severity of truck crashes is a concern in the state of Nebraska. This study was undertaken to investigate factors
associated with the severity of truck crashes. A two-year dataset obtained from the Nebraska Department of Roads
(NDOR) was analyzed to determine those factors. Results indicated that the involvement of alcohol was associated with
more severe injuries in truck crashes on Nebraska highways. Crashes involving farm equipment were more injurious than
other truck crashes. Dawn and dusk were critical periods associated with more severe truck crashes. Further, the absence of
medians contributed to truck crash severity. Crashes on adverse pavement conditions such as snow, ice, and slush were less
severe in comparison to crashes on pavements of different conditions. Crashes reported on local roads were less severe
compared to those reported on other highways. The researchers recommend strengthening the ongoing focus on reducing
driving under the influence of alcohol, as well as an in-depth investigation of truck crashes involving farm equipment. The
researchers also recommend provision of medians on roadways, where possible.
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