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PD and Docket Number ApplicantSubjectRulingDecision

PHMSA-RSPA-2000-4952-216 to -224 & 7486-16 to 24)

Chemical Waste Transportation Institute

Michigan statute and regulations re marking of motor vehicles carrying hazardous and liquid industrial wastes

State truck marking requirements different from HMR are preempted under "substantively the same as" test for trucks carrying hazardous materials and are preempted under the "obstacle" test for trucks not carrying hazardous materials.

59 FR 6186 (2/9/94)