Pennsylvania Interstate Route Listing
- Direction:
- East/West
- Western Terminus:
- Ohio-Pennsylvania state line
- Eastern Terminus:
- Pennsylvania-Maryland state line
- Counties:
- Washington, Westmoreland, Somerset, Bedford, Fulton
- Signed:
- Yes
Pennsylvania Turnpike, Schuylkill Expressway, Walt Whitman Bridge
- Direction:
- East/West
- Western Terminus:
- Ohio-Pennsylvania state line
- Eastern Terminus:
- Pennsylvania-New Jersey state line
- Counties:
- Lawrence, Beaver, Butler, Allegheny, Westmoreland, Bedford, Fulton, Huntingdon, Franklin, Cumberland, York, Dauphin, Lebanon, Lancaster, Berks, Chester, Montgomery, Philadelphia
- Signed:
- Yes
- Direction:
- East/West
- Western Terminus:
- I-81 in Jonestown
- Eastern Terminus:
- New Jersey-Pennsylvania state line
- Distance:
- 69.53 miles
- Counties:
- Lebanon, Berks, Lehigh, Northampton
- Signed:
- Yes
- Direction:
- North/South
- Southern Terminus:
- West Virginia-Pennsylvania state line
- Northern Terminus:
- Bayfront Parkway in Erie
- Distance:
- 181.12 miles
- Counties:
- Greene, Washington, Allegheny, Butler, Lawrence, Mercer, Crawford, Erie
- Signed:
- Yes
- Direction:
- East/West
- Western Terminus:
- Ohio-Pennsylvania state line
- Eastern Terminus:
- Pennsylvania-New Jersey state line
- Distance:
- 311.12 miles
- Counties:
- Mercer, Venango, Butler, Clarion, Jefferson, Clearfield, Centre, Clinton, Union, Northumberland, Montour, Columbia, Luzerne, Carbon, Monroe
- Signed:
- Yes
- Direction:
- North/South
- Southern Terminus:
- Maryland-Pennsylvania state line
- Northern Terminus:
- Pennsylvania-New York state line
- Distance:
- 231.22 miles
- Counties:
- Franklin, Cumberland, Dauphin, Lebanon, Schuylkill, Luzerne, Lackawanna, Susquehanna
- Signed:
- Yes
Susquehanna Expressway, Capital Beltway
- Direction:
- North/South
- Southern Terminus:
- Maryland-Pennsylvania state line
- Northern Terminus:
- I-81 in Harrisburg
- Distance:
- 50.69 miles
- Counties:
- York, Cumberland, Dauphin
- Signed:
- Yes
- Direction:
- East/West
- Western Terminus:
- I-81 in Dunmore
- Eastern Terminus:
- Pennsylvania-New York state line
- Distance:
- 54.87 miles
- Counties:
- Lackawanna, Wayne, Pike
- Signed:
- Yes
Southern Tier Expressway
- Direction:
- East/West
- Western Terminus:
- I-90 in North East
- Eastern Terminus:
- Pennsylvania-New York state line
- Distance:
- 7.00 miles
- Counties:
- Erie
- Signed:
- Yes
- Direction:
- East/West
- Western Terminus:
- Ohio-Pennsylvania state line
- Eastern Terminus:
- Pennsylvania-New York state line
- Distance:
- 46.30 miles
- Counties:
- Erie
- Signed:
- Yes
Delaware Expressway, Pennsylvania Turnpike
- Direction:
- North/South
- Southern Terminus:
- Delaware-Pennsylvania state line
- Northern Terminus:
- New Jersey-Pennsylvania state line
- Counties:
- Delaware, Philadelphia, Bucks
- Signed:
- Yes
- Direction:
- North/South
- Southern Terminus:
- Pennsylvania Turnpike (I-70/I-76) and US 220 in Bedford
- Northern Terminus:
- US 220/PA 26 in Bellefonte
- Distance:
- 85.781 miles
- Counties:
- Bedford, Blair, Centre
- Signed:
- Yes
Morgantown Expressway
- Direction:
- North/South
- Southern Terminus:
- Pennsylvania Turnpike (I-76) in Morgantown
- Northern Terminus:
- West Shore Bypass (US 422) in Reading
- Distance:
- 11.38 miles
- Counties:
- Berks
- Signed:
- Yes
Susquehanna Beltway
- Direction:
- East/West
- Western Terminus:
- Susquehanna Beltway (US 220) and US 15 in Williamsport
- Eastern Terminus:
- Keystone Shortway (I-80) and Susquehanna Trail (PA 147) in Milton
- Distance:
- 28.87 miles
- Counties:
- Lycoming, Northumberland
- Signed:
- Yes
Pennsylvania Turnpike
- Direction:
- East/West
- Western Terminus:
- Pennsylvania Turnpike (I-76) and Schuylkill Expressway (I-76) in King of Prussia
- Eastern Terminus:
- New Jersey Turnpike (I-95) at the New Jersey-Pennsylvania state line
- Counties:
- Montgomery, Bucks
- Signed:
- Yes
Parkway North
- Direction:
- North/South
- Southern Terminus:
- Penn-Lincoln Parkway (I-376) in Pittsburgh
- Northern Terminus:
- I-279 in Sewickley
- Distance:
- 13.30 miles
- Counties:
- Allegheny
- Signed:
- Yes
- Direction:
- North/South
- Southern Terminus:
- Pennsylvania Turnpike (I-76) in Middletown
- Northern Terminus:
- Capital Beltway (I-83) in Harrisburg
- Distance:
- 2.91 miles
- Counties:
- Dauphin
- Signed:
- Yes
Delaware Expressway
- Direction:
- North/South
- Southern Terminus:
- Delaware Expressway (I-95) and Pennsylvania Turnpike (I-95/I-276) in Bristol
- Northern Terminus:
- Pennsylvania-New Jersey state line
- Counties:
- Bucks
- Signed:
- Yes
Penn-Lincoln Parkway, Beaver Valley Expressway
- Direction:
- North/South
- Southern Terminus:
- Pennsylvania Turnpike (I-76) in Monroeville
- Northern Terminus:
- Keystone Shortway (I-80) and Beaver Valley Expressway (PA 760) in West Middlesex
- Distance:
- 68.67 miles
- Counties:
- Allegheny, Beaver, Lawrence, Mercer
- Signed:
- Yes
- Direction:
- North/South
- Southern Terminus:
- Keystone Shortway (I-80) in Scotrun
- Northern Terminus:
- I-81 in Dunmore
- Distance:
- 24.19 miles
- Counties:
- Monroe, Lackawanna
- Signed:
- Yes
Mid-County Expressway, Pennsylvania Turnpike
- Direction:
- North/South
- Southern Terminus:
- Delaware Expressway (I-95) in Chester
- Northern Terminus:
- Northern Boulevard (US 6/US 11) in Clarks Summit
- Counties:
- Delaware, Montgomery, Bucks, Lehigh, Carbon, Luzerne, Lackawanna
- Signed:
- Yes
Veterans Bridge
- Direction:
- North/South
- Southern Terminus:
- Boulevard of the Allies (PA 885) and Liberty Bridge in Pittsburgh
- Northern Terminus:
- Parkway North (I-279) in Pittsburgh
- Distance:
- 1.57 miles
- Counties:
- Allegheny
- Signed:
- Yes
Vine Street Expressway, Ben Franklin Bridge
- Direction:
- East/West
- Western Terminus:
- Schuylkill Expressway (I-76) in Philadelphia
- Eastern Terminus:
- New Jersey-Pennsylvania state line
- Distance:
- 2.25 miles
- Counties:
- Philadelphia
- Signed:
- Yes