The National Road Survey (NRS), sponsored by the National Highway Traffic Safety Administration (NHTSA), is of “critical value” to organizations such as the National Institute on Drug Abuse, because it is the only comprehensive source of US data about driving under the influence of drugs other than alcohol, according to a recent report from the Government Accountability Office (GAO).
Approximately every 10 years since 1973, the NRS has estimated the use of alcohol and other drugs by drivers. The most recent NRS, 2013-2014 survey, questioned more than 11 000 drivers at about 300 randomly selected locations across the continental United States.
Rubin R. Scientists Affirm Survey’s Value for Impaired Driving Research. JAMA. 2018;319(16):1648. doi:10.1001/jama.2018.4286
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