TITLE 18 - US CODE - CHAPTER 17A - COMMON CARRIER OPERATION UNDER THE INFLUENCE OF ALCOHOL OR DRUGS

18 USC 341 - Definitions

As used in this chapter, the term common carrier means a locomotive, a rail carrier, a sleeping car carrier, a bus transporting passengers in interstate commerce, a water common carrier, and an air common carrier.

18 USC 342 - Operation of a common carrier under the influence of alcohol or drugs

Whoever operates or directs the operation of a common carrier while under the influence of alcohol or any controlled substance (as defined in section 102 of the Controlled Substances Act (21 U.S.C. 802)), shall be imprisoned not more than fifteen years or fined under this title, or both.

18 USC 343 - Presumptions

For purposes of this chapter

(1) an individual with a blood alcohol content of .10 percent or more shall be presumed to be under the influence of alcohol; and

(2) an individual shall be presumed to be under the influence of drugs if the quantity of the drug in the system of the individual would be sufficient to impair the perception, mental processes, or motor functions of the average individual.