American Trucking Assns., Inc. v. Los Angeles

*644In this case, we consider whether federal law preempts certain provisions of an agreement that trucking companies must sign before they can transport cargo at the Port of Los Angeles. We hold that the Federal Aviation Administration Authorization Act of 1994 (FAAAA) expressly preempts two of the contract's provisions, which require such a company to develop an off-street parking plan and display designated placards on its vehicles. We decline to decide in the case's present, pre-enforcement posture whether, under Castle v. Hayes Freight Lines, Inc., 348 U.S. 61, 75 S.Ct. 191, 99 L.Ed. 68…