NHTSA defines a sobriety checkpoint as the stopping of vehicles, or a specific sequence of vehicles (i.e., every fifth vehicle), at a predetermined fixed location to detect drivers who are impaired by alcohol or other drugs. One purpose of a sobriety checkpoint is to increase the perceived risk of detection and arrest for individuals who might otherwise decide to drive impaired. This is a checkpoints general deterrence effect. The fact that all, or a proportion of, vehicles are stopped reduces the impaired drivers confidence that they can avoid detection by concealing or compensating for alcohol or drug impairment.


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    Roadside Surveys in Conjunction with Sobriety Checkpoints

    Foss, R. D. / Beirness, D. J. / Wells, J. K. et al. | British Library Conference Proceedings | 1995


    Putting research into action: sobriety checkpoints save lives

    Fell, J. / International Council on Alcohol, Drugs, and Traffic Safety | British Library Conference Proceedings | 2004



    Sobriety Checkpoints and Alcohol-Involved Motor Vehicle Crashes at Different Temporal Scales

    Morrison, Christopher N. / Ferris, Jason / Wiebe, Douglas J. et al. | BASE | 2019

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