Direction:
North/South
Southern Terminus:
Maryland-Pennsylvania state line
Northern Terminus:
Pennsylvania-New York state line
Distance:
231.82 miles
Counties:
Franklin, Cumberland, Dauphin, Lebanon, Schuylkill, Luzerne, Lackawanna, Susquehanna
Signed:
Yes

I-81 is a north/south interstate extending from Tennessee to the Canadian border in New York. It enters Pennsylvania from Maryland just north of Hagerstown and runs northeast to Harrisburg and then on to Scranton. It runs north from Scranton to the New York border just south of Binghamton.

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