The agency was evaluated in a study of transit systems’ strategies used to deter illicit drug activity and the effects on ...

A proposed rule to temporarily require drug testing urine samples is getting pushback from facilities that have invested in saliva-based drug testing. The post DOT takes heat for drug testing ...

Trucking news and briefs for Monday, Dec. 9, 2024: DOT proposes interim change to drug-testing rules The U.S. Department of Transportation is proposing to revise its drug testing procedures rule ...

Under specific circumstances, collectors must acquire employees’ oral fluid samples—even though DOT oral fluid testing does not yet exist.