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July 2009: Roadside Survey: Alcohol Levels Decline, Weekend Drug Use 16%
A new roadside survey by the National Highway Traffic Safety Administration confirms a continuing decline in the percentage of legally intoxicated drivers.
In 1973, 7.5% of drivers had a blood alcohol concentration (BAC) of .08 or higher. In the latest survey, that figure had fallen to 2.2%. A BAC of .08 or higher is now above the legal limit in all 50 states and the District of Columbia.
Previous roadside surveys conducted by NHTSA have measured only alcohol. But the latest survey used new screening techniques that detected other substances as well and in the future may help show the extent of drug impairment among drivers.
The survey found 16.3% of nighttime weekend drivers were drug positive. The survey focused on weekend nighttime drivers and found that the drugs used most commonly by drivers were: marijuana (8.6%); cocaine (3.9%); and over-the-counter and prescription drugs (3.9%).
“This troubling data shows us, for the first time, the scope of drugged driving in America, and reinforces the need to reduce drug abuse,” said Gil Kerlikowske, Director of the Office of National Drug Control Policy. “Drugged driving, like drunk driving, is a matter of public safety and health.”
Among the findings of the latest roadside survey are these: . . . (excerpts from the July 2009 issue)
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