
Interstate 79 at the systems interchange with I-376/U.S. 22-30 (Penn-Lincoln Parkway) in Robinson township. 06/13/10
Interstate 79 travels 183.0 miles in Pennsylvania from the West Virginia line in Perry township to PA 5/290 (12th Street) at Bayfront Parkway (SR 4034) in the city of Erie. The freeway runs north through rural Greene County between Mount Morris and Waynesburg and into Washington County at Amwell township. I-79 combines with I-70 west for 3.5 miles around the north side of Washington before resuming a northward heading toward Pittsburgh via Canonsburg.
Through Allegheny County and the west Pittsburgh suburbs, Interstate 79 advances north to the boroughs of Bridgeville, Heidelburg and Carnegie. Northwest of the Steel City, I-79 spans the Ohio River Back Channel onto Neville Island and across the Ohio River on the Neville Island Bridge to Glenfield. I-279, an urban loop from Pittsburgh, converges with I-79 at Franklin Park. I-79 continues into Butler County where the Cranberry Connector links the freeway with U.S. 19 and I-76 (Pennsylvania Turnpike).
I-79 joins Zelienople and Harmony with Portersville and Lake Arthur in western Butler County. Through Mercer County, I-79 meets Interstate 80 northwest of Grove City and southeast of Mercer. U.S. 6/19/322 connects I-79 with the city of Meadville in Crawford County and U.S. 6N with Edinboro in Erie County. The northernmost stretch spurs from Interstate 90 to Bayfront Parkway in Erie.




I-79 (Raymond P. Shafer Highway) heads three miles north from PA 208/258 at London to Interstate 80 and six miles to U.S. 62 west to Mercer.
06/14/10

I-79 converges with Interstate 80 at the O.D. Anderson Interchange (Exit 116) 15 miles east of Sharon.
06/14/10

The borough of Mercer lies northwest of the exchange joining I-79/80 at the crossroads of U.S. 19 and U.S. 62.
06/14/10

I-80 provides the main route between Ohio and the New York City metropolitan area. The freeway passes by smaller cities and boroughs throughout the northern half of Pennsylvania.
06/14/10

Exit 116A leaves I-79 north at the PA 58 (Grove City Road) overpass for I-80 east to Clarion, State College and Williamsport.
06/14/10

Exit 116B departs from the cloverleaf interchange with I-80 for westbound to Youngstown and Cleveland, Ohio.
06/14/10

A wide forested median separates the roadways of Interstate 79 at Buckley Road west of Pardoe.
06/14/10

U.S. 62 angles northeast from U.S. 19 at Mercer to a parclo A2 interchange (Exit 121) with Interstate 79 in Jackson township.
06/14/10

U.S. 62 leads west beyond Mercer to Sharon, parallel to Interstate 80. Northeast from Jackson Center, U.S. 62 travels toward Franklin and ultimately the Buffalo, New York, area.
06/14/10

Exit 121 departs I-79 north for Mercer. Mercer is famous for being the boyhood home of musician Trent Reznor of Nine Inch Nails fame.
06/14/10

PA 358 heads west from Exit 130 to PA 58 at Greenville. PA 58 travels northwest to Jamestown and the Ohio line and southeast to Mercer, Grove City and ultimately PA 68 at Sligo.
06/14/10

Interstate 79 north of the Mule Street (SR 2002) overpass and mile marker 137 in Greenwood township.
06/14/10

U.S. 6/19/322 combine east from PA 98 to a cloverleaf interchange (Exit 147) with I-79 and Linden Street in the city of Meadville.
06/14/10


U.S. 6N is a 27.8 mile connector between U.S. 20 at West Springfield and U.S. 6 near Mill Village.
06/14/10

As originally planned in the 1920s, U.S. 6 followed U.S. 6N west to end at U.S. 20. U.S. 6 was eventually extended westward to Long Beach, California, and U.S. 6N was created with the first extension.
06/14/10

U.S. 6N joins I-79 with PA 99 and the borough of Edinboro to the east and with PA 18 at the borough of Albion to the west.
10/09/01

I-79 turns northeast to a cloverleaf interchange (Exit 178) with Interstate 90 in northern McKean township.
06/14/10

Passing south of Erie, Interstate 90 through northwestern Pennsylvania travels between West Springfield and North East.
06/14/10

Exit 178A leaves Interstate 79 north for I-90 east to Buffalo and I-86 east to Jamestown and the Southern Tier of New York.
06/14/10

Interstate 79 enters the city of Erie at the Grandview Boulevard (SR 4014) overpass, one mile from Exit 182 for U.S. 20 (W 26th Street).
09/30/10

U.S. 20 (26th Street) travels across Erie to Broad Street and PA 290 (Bayfront Connector) and west to Asbury.
09/30/10

Interstate 79 ends 1.5 miles north of the directional T interchange (Exit 182) with U.S. 20 (26th Street).
09/30/10

Exit 183A departs for PA 5/290 (12th Street) eastbound to Downtown Erie. PA 290 comprises a loop east from I-79 to I-90 and PA 430 in Harbor Creek township.
09/30/10

Exit 183B loops onto PA 5 westbound to PA 832 for Presque Isle State Park and Erie International Airport (ERI).
09/30/10




Interstate 279 comprise an urban loop east from Exit 72 to Downtown Pittsburgh while I-79 bypasses the Steel City to the west.
06/11/10

Interstate 279 runs south to the North Shore in Pittsburgh, where Heinz Field (home of the Pittsburgh Steelers) and PNC Park (home of the Pittsburgh Pirates) are located.
06/11/10

Interstate 279 serves the northern suburbs of Pittsburgh including West View, Ben Avon Heights and Bellevue. The freeway enters the city limits of Pittsburgh nine miles to the south at U.S. 19 Truck (McKnight Road).
06/11/10

The south end of Interstate 279 connects the Fort Duquesne Bridge with I-376 (Penn-Lincoln Parkway) at the Fort Pitt Bridge.
06/13/10
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Trailblazers for I-79/90 at 6th Street direct motorists south along PA 832 (Peninsula Drive) from Presque Isle State Park. PA 832 intersects PA 5 Alternate (8th Street) and PA 5 (12th Street) over the ensuing half mile. 10/07/01 |
Photo Credits:
10/07/01 by AARoads
Connect with:
Interstate 70
Interstate 76
Interstate 80
Interstate 90
Interstate 279
Interstate 376
U.S. 19
U.S. 22
U.S. 30
U.S. 322
U.S. 422
Page Updated 01-08-2021.