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The impact of driver alcohol use on crash severity: A crash specific analysis

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  • Traynor, Thomas L.

Abstract

This study uses a crash specific data set that is supplemented with location based socioeconomic data to estimate the impact of driver alcohol use on average crash severity. Logit estimates indicate that crashes in which the at-fault drivers had been drinking are more likely to result in a severe injury or death than are crashes caused by sober drivers. Ordered logit estimates indicate that at-fault driver alcohol use increases the expected highest degree of injury resulting from a crash, and Tobit estimates indicate that the number of injuries or deaths per crash increase an average of 0.71 when the at-fault driver has been drinking. Moreover, at-fault driver alcohol use worsens the severity of crashes relative to not-at-fault parties. Collectively, these results indicate that at-fault drinking drivers are involved in more violent crashes and produce more serious injuries to not-at-fault parties than at-fault sober drivers.

Suggested Citation

  • Traynor, Thomas L., 2005. "The impact of driver alcohol use on crash severity: A crash specific analysis," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 41(5), pages 421-437, September.
    • Handle: RePEc:eee:transe:v:41:y:2005:i:5:p:421-437
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    Cited by:

    1. Laurie J. Bates & Resul Cesur & Rexford E. Santerre, 2015. "Short‐run marginal medical costs from booze and butts: Evidence from the states," Southern Economic Journal, John Wiley & Sons, vol. 81(4), pages 1074-1095, April.
    2. Resul Cesur & Inas Rashad Kelly, 2014. "Who Pays The Bar Tab? Beer Consumption And Economic Growth In The United States," Economic Inquiry, Western Economic Association International, vol. 52(1), pages 477-494, January.

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