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.
State Licensing Offices and the Drug and Alcohol Clearinghouse: What Fleets Need to Know About the New Rule
A new rule designed to keep commercial drivers who fail drug and alcohol tests off the road is a win for trucking safety. Learn about the challenges still ahead.