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Driving Under the Influence: How Music Listening Affects Driving Behaviors

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The need for drugged driving per se laws: a commentary.

Robert L DuPont¹, Robert B Voas, J Michael Walsh

¹Institute for Behavior and Health, Inc., Rockville, Maryland 20852, USA. bobdupont@aol.com

Traffic Injury Prevention

|January 14, 2012

Summary

States are encouraged to enact drugged driving per se laws. This article reviews the rationale for these laws and challenges in enforcing them, recommending steps for evaluation and implementation.

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Area of Science:

Forensic Toxicology
Traffic Safety
Public Health Policy

Background:

Federal initiative promotes drugged driving per se laws.
Existing laws often conflate alcohol and drug impairment.
Current enforcement relies heavily on alcohol impairment detection.

Purpose of the Study:

Review rationale for drugged driving per se laws.
Identify enforcement challenges.
Propose steps for evaluation and implementation.

Main Methods:

Review of existing drunk driving per se laws.
Analysis of impaired driving enforcement procedures.
Examination of drug testing technologies.

Main Results:

Drugged driving enforcement is secondary to alcohol impairment enforcement.
Drug impairment is investigated only when alcohol levels don't explain behavior.
Statistics lack specificity regarding drug-impaired driving prevalence.

Conclusions:

Current drugged driving enforcement needs evaluation.
Recommendations for moving towards drug per se laws are provided.
Enhancing specificity in impaired driving laws is crucial.