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Updated: Jun 5, 2026

Driving Under the Influence: How Music Listening Affects Driving Behaviors
07:25

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Published on: March 27, 2019

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Drunk driving has a speeding problem.

Mark B Johnson1

  • 1Pacific Institute for Research and Evaluation, Beltsville, Maryland.

Traffic Injury Prevention
|February 21, 2025
PubMed
Summary
This summary is machine-generated.

Excessive speeding significantly contributes to alcohol-related crash risks. Higher speeds accounted for nearly 50% of alcohol-related fatality risks at 0.08 BAC, suggesting speed control could reduce harm.

Keywords:
Drunk drivingcrashesimpairmentrelative riskspeeding

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Area of Science:

  • Traffic Safety Research
  • Alcohol Impairment Studies
  • Crash Risk Analysis

Background:

  • Alcohol and speeding are independently linked to increased crash risk.
  • Existing research treats alcohol-related and speeding-related crashes separately.
  • The interrelationship between speeding and alcohol consumption in crashes is not fully understood.

Purpose of the Study:

  • To investigate the extent to which speeding accounts for the elevated crash risk associated with drunk driving.
  • To quantify the portion of alcohol-related crash risk attributable to higher travel speeds.

Main Methods:

  • Analysis of data from the Crash Investigation Sampling System.
  • Estimation of vehicle speeds based on driver blood alcohol concentrations (BACs).
  • Comparison of crash risk attributable to speed versus alcohol levels for different BACs and injury severities.

Main Results:

  • Drivers with higher BACs drove faster, particularly in more severe crashes.
  • At 0.08 BAC, higher speeds accounted for approximately 50% of alcohol-related fatality crash risk.
  • At 0.08 BAC, higher speeds accounted for 39% of alcohol-related serious injury crash risk.

Conclusions:

  • Speeding may explain a significant portion of the elevated crash risk attributed to alcohol consumption.
  • Findings suggest that impaired driving skills are not the sole factor in alcohol-related crashes.
  • Implementing speed control measures could be an effective strategy for mitigating harm from alcohol-related crashes.