Although the study authors say the results can’t be used to gauge drug use on the roads nationwide, the high number of drivers, passengers and others with drugs in their systems is concerning.
(Image credit: Matt Rourke/AP)
Although the study authors say the results can’t be used to gauge drug use on the roads nationwide, the high number of drivers, passengers and others with drugs in their systems is concerning.
(Image credit: Matt Rourke/AP)