An assessment of county programs to reduce driving while intoxicated

Abstract
The safety effects of three programs designed to reduce driving while intoxicated (DWI) in Bergen County, New Jersey, have been examined, using a number of time-series models. The results indicate that Strike Force, primarily a road checkpoint program, produced significant and lasting reductions in single vehicle night-time accidents, a proxy for alcohol-involved accidents, and similar but less consistent reductions in single vehicle night-time fatalities. Two programs emphasizing education and publicity about the dangers of intoxicated driving appear to have smaller and briefer effects.

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