Missouri Revised Statutes Title XIX. Motor Vehicles, Watercraft and Aviation § 304.373. Hazardous materials, requirements for transportation--violations, penalties

1. For the purpose of this section, “hazardous materials” shall be as defined pursuant to Part 397, Title 49, Code of Federal Regulations, as adopted and amended.

2. No person shall transport hazardous materials in or through any highway tunnel in this state. For purposes of this section, a tunnel shall be defined as a horizontal subterranean passageway through or under an obstruction of a length of one hundred yards or more.

3. No person shall park a vehicle containing hazardous materials within three hundred feet of any highway tunnel in this state except as provided pursuant to Part 397, Title 49, Code of Federal Regulations, as adopted and as such regulations have been and may periodically be amended.

4. Any person who is found or pleads guilty to a violation of this section shall be guilty of a class B misdemeanor. Any person who is found or pleads guilty to a second or subsequent violation of this section shall be guilty of a class A misdemeanor. Violations of this section shall be enforced pursuant to section 390.201.