Interstate 79

Fact Box

Interstate 79
File:Interstate 79 map.png
Length- 343 miles
South end- Charleston, WV
North end- Erie, PA
States served- WV, PA

Interstate 79 (abbreviated I-79) is an Interstate Highway in the eastern United States, designated from Interstate 77 in Charleston, West Virginia to Pennsylvania Route 5 and Pennsylvania Route 290 in Erie, Pennsylvania. It is a primary thoroughfare through western Pennsylvania and West Virginia, as well as an important corridor to Buffalo, New York, and the Canadian border.

In West Virginia, Interstate 79 is known as the Jennings Randolph Expressway. In the three most northern counties it is signed as part of the High Tech Corridor. For most of its Pennsylvania stretch, it is known as the Raymond P. Shafer Highway.

Major junctions
South end:I‑77 in Charleston, WV
 I‑68 near Morgantown, WV
I-70 near Washington, PA
I-76 / Penna Turnpike near Pittsburgh, PA
I-80 near Mercer, PA
I-90 near Erie, PA
North end:Bayfront Parkway in Erie, PA

Auxiliary routes

  • Interstate 279 heads southeast from Interstate 79 in Pittsburgh's northern suburbs to Interstate 376 in downtown Pittsburgh.
  • Interstate 579 heads south from Interstate 279 in Pittsburgh's North Side to the Liberty Bridge and the Boulevard of the Allies just east of downtown Pittsburgh.