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Related Experiment Videos

Drug use by tractor-trailer drivers.

A K Lund1, D F Preusser, R D Blomberg

  • 1Insurance Institute for Highway Safety, Washington, DC.

Journal of Forensic Sciences
|May 1, 1988
PubMed
Summary

A study found 29% of surveyed tractor-trailer drivers tested positive for drugs like marijuana, stimulants, and cocaine. This research offers objective data on drug use in this profession, though impairment levels remain unclear.

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Area of Science:

  • Occupational Health
  • Forensic Toxicology
  • Transportation Safety

Background:

  • Drug and alcohol use among commercial drivers poses significant safety risks.
  • Limited objective data exists on the prevalence of various substances in tractor-trailer drivers.
  • Understanding substance use is crucial for developing effective safety interventions.

Purpose of the Study:

  • To determine the prevalence of alcohol, marijuana, cocaine, and stimulant use in tractor-trailer drivers.
  • To provide objective, data-driven insights into substance use within this professional group.
  • To establish a baseline for future research on driver impairment and safety.

Main Methods:

  • Blood and urine samples were collected from 317 randomly selected tractor-trailer drivers.
  • Participants were surveyed at a truck weighing station on Interstate 40 in Tennessee.
  • Samples were analyzed for the presence of alcohol, cannabinoids, cocaine metabolites, and stimulants (prescription and nonprescription).

Main Results:

  • 29% of drivers showed evidence of alcohol, marijuana, cocaine, or stimulants.
  • Cannabinoids were detected in 15% of drivers.
  • Nonprescription stimulants (12%), prescription stimulants (5%), and cocaine metabolites (2%) were also identified; alcohol use was less than 1%.

Conclusions:

  • This study provides the first objective evidence of potentially abusive drug use among tractor-trailer drivers.
  • The findings highlight a significant prevalence of various substances in this population.
  • Further research is needed to understand the relationship between detected drug concentrations and actual driver impairment.

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