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Drunk driving risk factors
Even at an Alcohol Content (AC) level as low as 0.04%, alcohol in your blood system affects driving ability and crash likelihood, according to Special Report 216, "Zero Alcohol" by the Transportation Research Board.
- The probability of a crash begins to increase significantly at 0.05 AC and climbs rapidly after about 0.08%.
- For drivers with AC's above 0.15% on weekend nights, the likelihood of being killed in a single-vehicle crash is more than 380 times higher than it is for non-drinking drivers.
Alcohol-related crashes in Wisconsin are much more likely to involve men than women.
- Among fatally injured male drivers in the year 2008, 37% of those tested had AC's of 0.08% or more and women tested for .08 or above were 29%. These numbers are taken from all of the fatalities that were tested.
- Men, ages 21-24, are the most likely drivers to be killed in a crash when their blood alcohol content is above 0.08.
Male drivers ages 21-40 make up the majority of fatally injured drivers with high ACs. This group has shown only a modest decline in the 1980s in the percentage of fatally injured drivers with high ACs.
In contrast, other age groups, particularly teenagers, show substantial declines. Drivers in the 16-20 year-old group showed the biggest improvement throughout the 1980s, due largely to the 21-year-old alcohol purchase laws.
|Wisconsin Driver Age and Crash Involvement 2008|
|Number Who Had Been
Drinking in Crashes
|14 and under||113||0.1%||6||0.1%|
|15 to 19||23,653||11.5%||614||8.5%|
|20 to 24||26,256||12.7%||1,721||23.8%|
|25 to 44||70,634||34.2%||3,258||45.0%|
|45 to 64||51,787||25.1%||1,455||20.1%|
|65 to 84||13,797||6.7%||152||2.1%|
|85 and up||1,334||0.6%||4||0.1%|
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Last modified: January 15, 2014
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