Pennsylvania Route 978

Pennsylvania Route 978
Route information
Maintained by PennDOT
Length	9.700 mi[1] (15.611 km)
Existed	1928–present
Major junctions
South end	PA 50 in South Fayette Township
North end	US 22 / US 30 near Imperial-Enlow
Location
Country	United States
State	Pennsylvania
Counties	Allegheny
Highway system
Pennsylvania State Route System Interstate US State Scenic Legislative
← PA 977 → PA 979

Pennsylvania Route 978 (PA 978) is a 9.7-mile-long (15.6 km) north–south state highway located in western Allegheny County, Pennsylvania. The southern terminus of the route is at PA 50 in the vicinity of the Cecil area (of Washington County, although the road remains in Allegheny County) and of the Gladden area. The highway heads slightly to the northwest, and reaches the northern terminus at the interchange with U.S. Route 22 (US 22) and US 30 in the Imperial-Enlow area.