Pennsylvania Route 8

Pennsylvania Route 8
William Flinn Highway
Route of PA 8 highlighted in red, and business and truck routes in blue
Route information
Maintained by PennDOT
Length	148.6 mi[1] (239.1 km)
Major junctions
South end	I-376 / US 22 / US 30 in Wilkinsburg
Major intersections	PA 28 in Pittsburgh I-76 Toll / Penna Turnpike in Hampton Township US 422 near Butler I-80 near Barkeyville US 62 / US 322 in Franklin US 6 in Union City I-90 near Erie
North end	US 20 in Erie
Location
Country	United States
State	Pennsylvania
Counties	Allegheny, Butler, Venango, Crawford, Erie
Highway system
Pennsylvania State Route System Interstate US State Scenic Legislative
← PA 7 → PA 9

Pennsylvania Route 8 (PA 8) is a major 148.6-mile-long (239.1 km) state route in western Pennsylvania. Officially, PA 8 is named the William Flinn Highway.

Its southern terminus is at Interstate 376 (I-376)/U.S. Route 22 (US 22)/US 30 in Pittsburgh. Its northern terminus is US 20 in Erie.