GroundRules
49 CFR 397.203: Standards for determining preemption.
Where this section sits in the code
- Title 49—Transportation
- Subtitle B—Other Regulations Relating to Transportation
- CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS
- PART 397—TRANSPORTATION OF HAZARDOUS MATERIALS; DRIVING AND PARKING RULES
- Subpart E—Preemption Procedures
(a) Any highway routing designation established, maintained, or enforced by a State, political subdivision thereof, or Indian tribe is preempted if—
(1) Compliance with both the highway routing designation and any requirement under the Act or of a regulation issued under the Act is not possible;
(2) The highway routing designation as applied or enforced creates an obstacle to the accomplishment and execution of the Act or the regulations issued under the Act; or
(3) The highway routing designation is preempted pursuant to § 397.69(b) of this part.
(b) [Reserved]
Collected 2026-08-27T02:26:34Z. Source file · JSON