U.S. Route 40

Common card · No. 201557

U.S. Route 40 or U.S. Highway 40 (US 40), also known as the Main Street of America (a nickname shared with U.S. Route 66), is a major east–west United States Highway traveling across the United States from the Mountain states to the Mid-Atlantic. As with most routes whose numbers end in a zero, US 40 once traversed the entire country. It is one of the first U.S. Highways created in 1926, and its original termini were in San Francisco, California, and Atlantic City, New Jersey. US 40 ends at a junction with Interstate 80 (I-80) in Silver Summit, Utah, just outside Salt Lake City. West of this point US 40 was functionally replaced with I-80, and as these segments of I-80 were constructed the western portion of US 40 was truncated several times. Starting at its western terminus in Utah, US 40 crosses a total of 12 states, including Colorado, Kansas, Missouri, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, Maryland, Delaware, and New Jersey. US 40 passes through or by major cities including...

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