Boyce Motor Lines, Inc. v. United States

The petitioner is charged with the violation of a regulation promulgated by the Interstate Commerce Commission under 18 U. S. C. § 835.1 The. Regulation provides:

“Drivers of motor vehicles transporting any explosive, inflammable liquid, inflammable compressed *339gas, or poisonous gas shall avoid, so far as practicable, and, where feasible, by prearrangement of routes, driving into or through congested thoroughfares, places where crowds are assembled, street car tracks, tunnels, viaducts, and dangerous crossings.” 2

The statute directs that “[w]hoever knowingly violates” the Regulation shall be…