Interstate 180 (Pennsylvania)

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Interstate 180 marker

Interstate 180
Route information
Auxiliary route of I-80
Maintained by PennDOT
Length 28.85 mi[1] (46.43 km)
Existed 1984 – present
Major junctions
West end Future I‑99 / US 15 / US 220 in Williamsport
 

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

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

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.

Route description[edit]

Looking west from the Carl E. Stotz Memorial Little League Bridge in Williamsport

I-180 begins along the banks of the West Branch Susquehanna River in Williamsport, at an interchange with U.S. Route 15 and U.S. Route 220. The highway begins its signage, concurrent along these routes.

At exit 27A, US 15 leaves the overlap running south across the Carl E. Stotz Memorial Little League Bridge and I-180 continues eastward, still concurrent with US 220 northbound. From there, I-180 runs along the West Branch Susquehanna River until the highway reaches the eastern suburbs of Williamsport, where US 220 leaves the Interstate via exit 15.

From US 220 to the eastern terminus, I-180 is aligned north–south, though the highway is signed east–west. I-180 terminates interchanging Interstate 80 and the freeway continues as Pennsylvania Route 147.

History[edit]

Exit list[edit]

CountyLocationmi[2]kmExitDestinationsNotes
LycomingWilliamsport Future I‑99 south / US 220 south to I-80 – Lock HavenContinuation beyond western terminus
28.8446.4129 Future I‑99 north / US 15 north – Mansfield
27.944.928Maynard StreetServes Pennsylvania College of Technology
27.744.627BVia Bella, Hepburn StreetEastbound exit and westbound entrance
26.843.127A US 15 south (Market Street) – LewisburgSingle-point urban interchange
26.542.626Via Bella, Basin StreetWestbound exit and eastbound entrance
Loyalsock25.340.725Commerce Park, Faxon
24.138.823BWarrensville, MontoursvilleEastbound exit
23.838.323AEast Third StreetEastbound exit and entrance; Serves Williamsport Regional Airport
23.738.123East Third Street, WarrensvilleWestbound exit; Supplemental westbound entrance from Broad Street
Montoursville21.734.921 PA 87 north (Loyalsock Avenue)PA 87 begins north, Loyalsock Avenue south
20.432.820Fairfield Road
Muncy Township16.927.217Lycoming Mall Road
15.524.915 US 220 north – Halls, PennsdaleEast end of US 220 overlap
Muncy Creek Township12.820.613 PA 405 – Muncy, Hughesville
10.617.110South Main StreetWestbound exit and eastbound entrance
NorthumberlandDelaware Township5.69.05 PA 54 – Turbotville
1.11.81McEwensville, Watsontown
Turbot Township00.0 I-80 – Bellefonte, BloomsburgI-80 exit 212.
PA 147 south – MiltonContinuation beyond eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

References[edit]

Route map: Google

KML is from Wikidata