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Interstate 180 (Pennsylvania)

Interstate 180 marker

Interstate 180
Route information
Auxiliary route of I-80
Maintained by PennDOT
Length: 28.85 mi (46.43 km)
Existed: 1984 – present
Major junctions
West end: Future I‑99 / US 15 / US 220 in Williamsport, PA
 

US 15 in Williamsport
PA 87 in Montoursville
US 220 near Pennsdale

PA 405 near Muncy
East end: I-80 / PA 147 near Milton, PA
Location
Counties: Lycoming, Northumberland
Highway system
PA 179 PA 180

Interstate 180 marker

US 15 in Williamsport
PA 87 in Montoursville
US 220 near Pennsdale

Interstate 180 (abbreviated I-180) is a spur highway that connects Williamsport, Pennsylvania to Interstate 80 near Milton, Pennsylvania. The length of the highway is 28.85 miles (46.43 km). It was also the designation of present-day Interstate 176 between Morgantown, Pennsylvania and Reading, when the Pennsylvania Turnpike carried the "I-80S" designation in the 1960s. It is signed as an east–west route for its entire length, even though half of the route runs north–south.


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