Risk factors associated with bus accident severity in the United States: A generalized ordered logit model

Sigal Kaplan, Carlo Giacomo Prato*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

142 Scopus citations

Abstract

Introduction: Recent years have witnessed a growing interest in improving bus safety operations worldwide. While in the United States buses are considered relatively safe, the number of bus accidents is far from being negligible, triggering the introduction of the Motor-coach Enhanced Safety Act of 2011. Method: The current study investigates the underlying risk factors of bus accident severity in the United States by estimating a generalized ordered logit model. Data for the analysis are retrieved from the General Estimates System (GES) database for the years 2005-2009. Results: Results show that accident severity increases: (i) for young bus drivers under the age of 25; (ii) for drivers beyond the age of 55, and most prominently for drivers over 65 years old; (iii) for female drivers; (iv) for very high (over 65 mph) and very low (under 20 mph) speed limits; (v) at intersections; (vi) because of inattentive and risky driving.

Original languageAmerican English
Pages (from-to)171-180
Number of pages10
JournalJournal of Safety Research
Volume43
Issue number3
DOIs
StatePublished - Jul 2012
Externally publishedYes

Keywords

  • Accident severity
  • Bus accidents
  • Bus safety operations
  • Generalized ordered logit model
  • Injury severity

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