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The latter question does not state that the total is out of 100, so in effect it could be 50 accidents out of a million were the result of alcohol. Also, the first question states that the person who caused the accident was a drunk driver, however the second does not make this point. As such an incident could be said to involve alcohol because a drunk person walked across the road and caused someone to swerve etc.
Inattention - Excessive Speed - Driving too fast for conditions
16
Fatal distraction; some jurisdictions require hands-free operation only.
In 2009, about 32% of car crashes involve alcohol, which is a legally available drug. That would be around 11,000 deaths. Other drug impairment data is much harder to come by due to the difficulty in testing for those chemicals in the body. One would not be wrong if the estimate would be between 40 to 50% of deaths related to one or more drivers involved in a fatal crash might be impaired by alcohol, antihistamines, marijuana, barbiturates, depressants, etc. Estimates range from 14,000 to 16,000 deaths per year. It might even be higher. This is according to research conducted by the US DOT, National Accident Sampling System.
No, not all.
We would have to know what weekend, and where, in order to answer.
yes
Yes... About 8% of all vehicle crashes. About 40% of all fatal vehicle crashes. (According to NHTSA)
Alcohol
Truck drivers
10
Motor-vehicle crashes are the leading cause of death in the United States for persons aged 16--24 years, and a substantial proportion of these crashes are alcohol-related. Alcohol-impaired driving is highest among persons aged 21--24 years (1), and the percentage of fatal crashes that are alcohol-related is highest for this age group (2). However, alcohol-related crashes are a serious problem even for the youngest drivers. Not only are drivers aged
alcohol
50
Two-thirds of all motor vehicle fatalities between the hours of midnight and 3 a.m. occurred in alcohol-impaired-driving crashes, and more than half (55%) of drivers involved in fatal crashes at those hours, were alcohol-impaired.
35 percent of fatal crashes involve alcohol use.