Interstate 81

Number of Miles 824

• Tennessee - 75 miles
• Virginia - 323 miles
• West Virginia - 23 miles
• Maryland - 11 miles
• Pennsylvania - 234 miles
• New York - 158 miles

Major Cities Along the Route

• Harrisburg, Pennsylvania
• Scranton, Pennsylvania
• Binghamton, New York
• Syracuse, New York

Intersections with other Interstates

• Interstate 40 near Dandridge, Tennessee
• Interstate 77 in Wytheville, Virginia. They stay joined for about 10 miles.
• Interstate 64 in Lexington, Virginia. They stay joined until Staunton, Virginia.
• Interstate 66 in Middletown, Virginia
• Interstate 70 in Hagerstown, Maryland
• The eastern Interstate 76 in Carlisle, Pennsylvania
• Interstate 83 in Harrisburg, Pennsylvania
• Interstate 78 in Bordnersville, Pennsylvania[?]
• Interstate 80 in Saint Johns, Pennsylvania[?]
• The eastern Interstate 84 in Scranton, Pennsylvania
• The eastern Interstate 88 in Binghamton, New York
• Interstate 90 in Syracuse, New York

Spur Routes

• Spur to Kingsport, Tennessee and Johnson City, Tennessee - I-181
• Spur to Bristol, Virginia - I-381
• Roanoke, Virginia - I-581
• Syracuse, New York - I-481

Notes This road is a "line on a map" Interstate. Mainly it exists more so people can have a path through the Appalachians than to relieve congestion on that busy Roanoke-Harrisburg route.