Alcohol‑Related Fatal Crash Statistics (2006): NHTSA vs. IIHS Data
Alcohol‑involved fatal crash percentages for 2006 differ slightly between major U.S. traffic safety organizations due to methodology and case definitions.
Reported Figures
- NHTSA (FARS data): 31% of all fatal crashes involved a driver with BAC ≥0.08 g/dL.
- IIHS (FARS analysis): 38% of passenger‑vehicle driver fatalities occurred in crashes with a driver BAC ≥0.08 g/dL.
Why the Difference?
- NHTSA reports all fatal crashes (including motorcycles, pedestrians, large trucks).
- IIHS focuses on passenger‑vehicle driver deaths, a subset with higher alcohol involvement.
- Both use the Fatality Analysis Reporting System (FARS) but apply different denominators.
Limitations
These figures cover fatal crashes only; non‑fatal alcohol‑related crashes are not captured. For current data, consult the latest NHTSA Traffic Safety Facts or IIHS reports.
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