New Research Confirms About 300,000 Truck Drivers Would Fail a Hair Test for Illegal Drug Use

Washington, D.C. – If all 3.5 million commercial truck drivers submitted to a hair test, about 300,000 would test positive for illegal drug use. That alarming conclusion is one of the findings in new research, to be published in the upcoming issue of the Journal of Transportation Management and recently covered by Heavy Duty Trucking