Interstate 79

Interstate Highway in West Virginia and Pennsylvania

Interstate 79 is an Interstate Highway in the United States. It goes from Charleston, West Virginia north to Erie, Pennsylvania. The route is 343.24 miles (552.39 km) long.[1] It is a primary thoroughfare through western Pennsylvania and West Virginia. It is also an important corridor to Buffalo, New York, and the Canadian border. From Sutton north, Interstate 79 generally parallels the path of U.S. Route 19. With the exception of the area between Washington and Cranberry Township, Pennsylvania, I-79 functionally replaces U.S. Route 19.

Interstate 79 marker

Interstate 79

Route information
Length343.24 mi[1] (552.39 km)
NHSEntire route
Major junctions
South end I‑77 in Charleston, WV
Major intersections 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 PA 5 / PA 290 east in Erie, PA
CountryUnited States
Highway system

In West Virginia, Interstate 79 is called the Jennings Randolph Expressway. In the three most northern counties it is part of the "High Tech Corridor". Through most of Pennsylvania, it is called the Raymond P. Shafer Highway.

Auxiliary routes



  1. 1.0 1.1 "Route Log and Finder List - Interstate System - table 1". Federal Highway Administration. 2002-10-31. Retrieved 2007-07-09.

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