Portal:U.S. Roads/Selected article/January 2011

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The Alt US 40 bridge over the Casselman River in Grantsville

U.S. Route 40 Alternate (Alt US 40) is the United States highway designation for a former segment of U.S. Route 40 (US 40) through Garrett and Allegany Counties in Maryland. The highway begins at US 40 near exit 14 on Interstate 68 and runs 31.80 miles (51.18 km) eastward to Cumberland, where it ends at exit 44 on Interstate 68. Alt US 40 is maintained by the Maryland State Highway Administration (MDSHA).

The highway is known as Old National Pike to reflect the fact that it follows the original alignment of the National Road. As the route of the historic National Road, there are many historic sites along Alt US 40, including the Casselman Bridge in Grantsville and the last remaining National Road toll gate house in Maryland, located in LaVale.

When the National Freeway was built in western Maryland paralleling the old National Road, parts of U.S. Route 40 were bypassed. The part of the bypassed road between Keyser's Ridge and Cumberland became Alt US 40, and other bypassed sections east of Cumberland became Maryland Route 144 and U.S. Route 40 Scenic. Although Alt US 40 has diminished in importance from its original status as the National Road due to the construction of Interstate 68, it remains an important route for local traffic and serves as the Main Streets of Grantsville and Frostburg.

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