Tags: Case, Legal Case, Supreme Court Of The United States Case, Unit Of Work.
United States v. Locke 529 U.S. 89 (2000) was a United States Supreme Court case in which the Court unanimously held that certain state regulations regarding oil tankers and oil barges are preempted under the Supremacy Clause of the United State Constitution in deference to the extensive body of federal regulations affecting these classes of vessels.