CSA BASICs - Controlled Substances and Alcohol

Operation of a CMV while impaired due to alcohol, illegal drugs, and misuse of prescription medications or over-the-counter medications. Data includes (1) roadside violations involving controlled substances or alcohol, (2) crash reports citing driver impairment or intoxication as a cause, (3) positive drug or alcohol test results on drivers, and (4) lack of appropriate testing or other deficiencies in motor carrier controlled substances and alcohol testing programs. (FMCSR Part 392)