Driving under the influence (of dtress): Evidence of a regional increase in impaired driving and traffic fatalities after the September 11 terrorist attacks

Jenny C. Su, Alisia G T T Tran, John G. Wirtz, Rita A. Langteau, Alexander J. Rothman

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Did the September 11 terrorist attacks elicit a subsequent increase in traffic fatalities? Gigerenzer (2004) argued that decreases in flying and increases in driving in the 3 months after the attacks led to 353 "surplus" traffic fatalities. We applied a more systematic analysis to the same data and found no evidence of a significant increase in miles driven or of a significant increase in traffic fatalities. However, we did find evidence for a regional effect of the attacks on driving behaviors. We hypothesized that geographic proximity to the attacks increased stress, which in turn decreased driving quality. Our analyses revealed that in the last 3 months of 2001, the Northeast exhibited a significant increase in traffic fatalities, as well as a significant increase in fatal accidents involving an alcohol- or drug-related citation. Increased stress related to physical proximity to the attacks may explain the increase in traffic fatalities.

Original languageEnglish (US)
Pages (from-to)59-65
Number of pages7
JournalPsychological Science
Volume20
Issue number1
DOIs
StatePublished - Jan 1 2009

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