|PD and Docket Number Applicant
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)