Why should motor carriers be allowed to report drivers to the Drug and Alcohol Clearinghouse for overhearing a conversation about drug-use under "actual knowledge," but not be able to report hair-testing? The Trucking Alliance wants to know.
Study Suggests Cocaine Use More Prevalent than Marijuana Among Truck Drivers
Is marijuana really the drug most commonly used by truck drivers? National Drug and Alcohol Clearinghouse statistics say it is by far, but hair-testing advocates cite an analysis finding otherwise.