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Modeling the injury prevention impact of mandatory alcohol ignition interlock installation in all new US vehicles

Author

Listed:
  • Carter, P.M.
  • Flannagan, C.A.C.
  • Bingham, C.R.
  • Cunningham, R.M.
  • Rupp, J.D.

Abstract

Objectives: We estimated the injury prevention impact and cost savings associated with alcohol interlock installation in all new US vehicles. Methods: We identified fatal and nonfatal injuries associated with drinking driver vehicle crashes from the Fatality Analysis Reporting System and National Automotive Sampling System's General Estimates System data sets (2006-2010). We derived the estimated impact of universal interlock installation using an estimate of the proportion of alcohol-related crashes that were preventable in vehicles 59000) and 84% to 88% of nonfatal injuries (>1.25 million) attributed to drinking drivers would be prevented, saving an estimated $342 billion in injury-related costs, with the greatest injury and cost benefit realized among recently legal drinking drivers. Cost savings outweighed installation costs after 3 years, with the policy remaining cost effective provided device effectiveness remained above approximately 25%. Conclusions: Alcohol interlock installation in all new vehicles is likely a cost-effective primary prevention policy that will substantially reduce alcohol-involved crash fatalities and injuries, especially among young vulnerable drivers.

Suggested Citation

  • Carter, P.M. & Flannagan, C.A.C. & Bingham, C.R. & Cunningham, R.M. & Rupp, J.D., 2015. "Modeling the injury prevention impact of mandatory alcohol ignition interlock installation in all new US vehicles," American Journal of Public Health, American Public Health Association, vol. 105(5), pages 1028-1035.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.2014.302445_9
    DOI: 10.2105/AJPH.2014.302445
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