U.S. Highway associations were organizations to promote business and tourism along specific highways. The earliest ones also worked on interconnecting...

United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide...

U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established...

States Numbered Highways are components of a national system of highways that is administered by the American Association of State Highway and Transportation...

U.S. Route 50 or U.S. Highway 50 (US 50) is a major east–west route of the U.S. Highway system, stretching 3,019 miles (4,859 km) from Interstate 80 (I-80)...

U.S. Route 491 (US 491) is a north–south U.S. Highway serving the Four Corners region of the United States. It was created in 2003 as a renumbering of...

The U.S. Highway 66 Association was organized in Tulsa, Oklahoma in 1927. Its purpose was to get U.S. Highway 66 paved from end to end and to promote...

The Lincoln Highway is one of the first transcontinental highways in the United States and one of the first highways designed expressly for automobiles...

U.S. Route 70 or U.S. Highway 70 (US 70) is an east–west United States highway that runs for 2,381 miles (3,832 km) from eastern North Carolina to east-central...

U.S. Route 99 (US 99) was a main north–south United States Numbered Highway on the West Coast of the United States until 1964, running from Calexico,...