American Trucking Associations, Inc. v. Michigan Public Service Commission

*431Justice Breyer

delivered, the opinion of the Court.

In this case, we consider whether a flat $100 fee that Michigan charges trucks engaging in intrastate commercial hauling violates the dormant Commerce Clause. We hold that it does not.

I

A subsection of Michigan’s Motor Carrier Act imposes upon each motor carrier “for the administration of this act, an annual fee of $100.00 for each self-propelled motor vehicle operated by or on behalf of the motor carrier.” Mich. Comp. Laws Ann. §478.2(1) (West 2002). The provision assesses the fee upon, and only upon, vehicles that engage in intrastate…