The statutory authority over highway found at 49 USC § 51 12. Section

(1) applies to 0 motor vehicle only it the vehicle is transporting hazardous material

49 CFR

397 provides:

• Routing requirements and procedures that States and Indian tribes establish, maintain, enforce routing

• establish, maintain, or entorce routing designations for non-radioocttve hazardous material

- Motor carriers transporting NRHM shall comply

designations

Examples of hazardous materials placards torCloss 3 (Flammable Materials} and Class 8 (Corrosive Materials], two of the nine classifications of hazardous materials [presented in Table 1, page 4), are depicted in the figure that Follows:

of Hazardous Materials Placards

Responsibility for enforcement of designated hazardous materials routes Division [tormerlyMotor Carrier Divisionil‘ot the Michig’d• Stdte Police.