U.S. Route 40

Ohio. Route 40 is a federal highway from Park City, Utah to Atlantic City, New Jersey.  It is 2,286 miles long and passes through twelve states.  It used to go from Park City to Reno, Nevada and San Francisco, California, but that route is now part of Interstate 80.  Much of the eastern part of U.S. Route 40, from Vandalia, Illinois to Cumberland, Maryland (or from St. Louis, Missouri to Baltimore) was part of the National Road.  This part has been around since 1839.  Part of U.S. Route 40 was also called the "Lincoln Highway".

U.S. Route 40 passes or passed through many cities.  Some of these are:

The current capitals are Denver, Topeka, Indianapolis, and Columbus. Vandalia was a former capital of Illinois, Zanesville was a former capital of Ohio, and Wheeling was a former capital of West Virginia. 
Cities
Current
Park City, Utah
Vernal, Utah
Craig, Colorado
Denver, Colorado
Oakley, Kansas
Hays, Kansas
Salina, Kansas
Topeka, Kansas
Lawrence, Kansas
Kansas City, Kansas
Kansas City, Missouri
Warrensburg, Missouri
Columbia, Missouri
St. Louis, Missouri
Vandalia, Illinois
Effingham, Illinois
Terre Haute, Indiana
Indianapolis, Indiana
Richmond, Indiana
Dayton, Ohio
Vandalia, Ohio
Springfield, Ohio
Columbus, Ohio
Zanesville, Ohio
Wheeling, West Virginia
Washington, Pennsylvania
Cumberland, Maryland
Hagerstown, Maryland
Baltimore, Maryland
Wilmington, Delaware
Atlantic City, New Jersey 
Former
San Francisco, California
Oakland, California
Sacramento, California
Reno, Nevada
Winnemucca, Nevada
Elko, Nevada
Salt Lake City, Utah

References

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