Comparison of mid-block and intersection-related left turn collisions

Bahman Sayyar Roudsari, Robert Kaufman, Raminder Nirula

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Objectives. To evaluate the factors that might influence an occupant's injury severity during a left turn movement. Methods. We used the National Automotive Sampling System Crashworthiness Data System (1995-2005) to compare crash characteristics and injury outcome between intersection and midblock left turn collisions. Results. A total of 7,396 collisions were evaluated. Traffic control devices were present in 82% of intersection and 10% of mid-block collisions. After adjustment for potential confounding variables, drivers' injury severity was not significantly associated with the crash location. However, front seat passengers in mid-block collisions had 72% higher odds of experiencing an injury with injury severity score 9 (odds ratio: 1.72, 95% confidence interval: 1.09-2.69). Our analysis did not show that drivers or passengers in larger vehicles, e.g., sport utility vehicles and mini-vans, were at lower risk of more severe injuries in comparison to the car occupants in sedans. Conclusion. We found that in comparison to intersection-related left turn collisions, mid-block crashes are associated with more severe injuries for front seat passengers. Furthermore, size of the turning vehicle was not significantly associated with injury severity for drivers or front seat passengers.

Original languageEnglish (US)
Pages (from-to)393-397
Number of pages5
JournalTraffic Injury Prevention
Volume8
Issue number4
DOIs
StatePublished - Dec 1 2007
Externally publishedYes

Keywords

  • Alcohol
  • Intersection collision
  • Left turn
  • Midblock collision
  • Motor vehicle collision
  • Sedan
  • SUV
  • Type of vehicle

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Public Health, Environmental and Occupational Health

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