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Related Experiment Videos

Controlling impaired driving through vehicle programs: an overview.

Robert B Voas1, James C Fell, A Scott McKnight

  • 1Pacific Institute for Research and Evaluation, Calverton, Maryland, USA. voas@pire.org

Traffic Injury Prevention
|July 28, 2004
PubMed
Summary

Vehicle sanctions like impoundment and ignition interlocks help reduce repeat offenses for driving while intoxicated (DWI) and driving while suspended (DWS). These measures are effective, though interlocks show limited long-term behavior change.

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Area of Science:

  • Traffic safety research
  • Criminology
  • Public policy

Background:

  • Illicit vehicle operation by suspended drivers, particularly for driving while intoxicated (DWI), is a growing concern.
  • Vehicle sanctions are increasingly employed as penalties for DWI and driving while suspended (DWS).

Purpose of the Study:

  • To review current information on the use and effectiveness of vehicle sanctions in reducing offender recidivism.
  • To analyze various vehicle sanctions including impoundment, forfeiture, registration cancellation, and interlocks.

Main Methods:

  • Review of existing literature and data on vehicle sanctions.
  • Analysis of state laws and their implementation for DWI and DWS offenses.
  • Evaluation of the effectiveness of different sanctions in reducing recidivism.

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Main Results:

  • Vehicle impoundment laws in 14 US states reduce recidivism during and after custody.
  • Vehicle forfeiture impacts fewer drivers, typically multiple offenders.
  • Registration cancellation and plate confiscation are gaining popularity.
  • Vehicle alcohol interlocks are effective during use but show limited post-treatment behavior change.

Conclusions:

  • Vehicle sanctions are a valuable tool for reducing DWI and DWS recidivism.
  • Impoundment and registration cancellation appear to be effective and widely applicable sanctions.
  • Further research may be needed to enhance the long-term effectiveness of interlock devices.