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United States Numbered Highway System
U.S. Highways in Alabama
U.S. Highways in Georgia (U.S. state)
U.S. Highways in Louisiana
U.S. Highways in Mississippi
U.S. Highways in New York (state)
U.S. Highways in Pennsylvania
U.S. Highways in Tennessee
U.S. Highways in Texas
U.S. Highways in Virginia
U.S. Highways in West Virginia
U.S. Highways in Maryland