Lacey, John H.; Kelley-Baker, Tara; Voas, Robert B.; … - In: Evaluation Review 35 (2011) 4, pp. 319-353
This article describes the methodology used in the 2007 U.S. National Roadside Survey to estimate the prevalence of alcohol- and drug-impaired driving and alcohol- and drug-involved driving. This study involved randomly stopping drivers at 300 locations across the 48 continental U.S. states at...