Susquehanna Trail

The Susquehanna Trail was an auto trail in the United States linking Washington, D.C. with Niagara Falls, New York. It passed through Baltimore, Maryland; Harrisburg, Pennsylvania; Williamsport, Pennsylvania; and Buffalo, New York.

In relatively modern terms, the Susquehanna Trail roughly followed the following highways:

An alternate ran from Washington to Harrisburg via U.S. Route 240 and U.S. Route 15 through Frederick, Maryland.

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