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Interstate 180 (Pennsylvania)

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Interstate 180 marker
Interstate 180
Map
I-180 highlighted in red
Route information
Auxiliary route of I-80
Maintained by PennDOT
Length28.84 mi[1] (46.41 km)
ExistedJanuary 1984[2]–present
NHSEntire route
Major junctions
West end I-99 / US 15 / US 220 in Williamsport
Major intersections 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
CountryUnited States
StatePennsylvania
CountiesLycoming, Northumberland
Highway system
PA 179 PA 180

Interstate 180 (I-180) is a spur highway in Pennsylvania that connects Williamsport to I-80 near Milton. The length of the highway is 28.84 miles (46.41 km). It was also the designation of present-day I-176 between Morgantown 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

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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 I-99, U.S. Route 15 (US 15), and US 220. The highway begins running concurrently along US 15 and US 220.

I-180 westbound just west of PA 54 in Delaware Township

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 I-99/US 220 to the eastern terminus, I-180 is aligned north–south, though the highway is signed east–west. I-180 terminates at an interchange with I-80, and the freeway continues as Pennsylvania Route 147 (PA 147).

History

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I-180 was designated in January 1984 and was signed concurrently with US 220 between US 15 in Williamsport and Pennsdale and replaced PA 147 between US 220 in Pennsdale and I-80 near Milton.[2]

Exit list

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CountyLocationmi[3]kmExitDestinationsNotes
LycomingWilliamsport28.8446.41

Future I-99 south / US 220 south – Lock Haven
Continuation south; western end of US 220 concurrency
29

I-99 north / US 15 north – Mansfield
Western end of US 15 concurrency; current southern terminus of I-99
27.944.928Maynard StreetAccess to Williamsport Hospital and Pennsylvania College of Technology
27.744.627BHepburn StreetEastbound exit and westbound entrance
26.843.127A
US 15 south (Market Street) – Lewisburg
Eastern end of US 15 concurrency; access to Little League Museum and Business District
26.542.626Basin StreetWestbound exit and eastbound entrance
Loyalsock25.340.725FaxonSgts. Thomas Woodruff Sr. and Hamilton Woodruff Memorial Interchange; access via Northway Road
24.038.623 Third Street / Warrensville Road – Warrensville, MontoursvilleSigned as exits 23A (Third Street) and 23B (Warrensville) eastbound; access to Williamsport Regional Airport and Montoursville
Montoursville21.734.921
PA 87 north (Loyalsock Avenue)
Southern terminus of PA 87; access to Williamsport Regional Airport
20.432.820Fairfield Road
Muncy Township16.927.217Lycoming Mall Road
15.524.915
US 220 north – Halls, Pennsdale
Eastern end of US 220 concurrency
Muncy Creek Township12.820.613 PA 405 – Muncy, HughesvilleSigned as exits 13A (south) and 13B (north) eastbound
10.617.110Main StreetWestbound exit and eastbound entrance
NorthumberlandDelaware Township5.69.05 PA 54 – Turbotville
1.11.81McEwensville, WatsontownAccess via Susquehanna Trail
Turbot Township0.00.0 I-80 – Bellefonte, BloomsburgExit 212B on I-80

PA 147 south – Milton
Continuation south
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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References

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  1. ^ "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. December 31, 2021. Retrieved July 3, 2022.
  2. ^ a b "Section of Rt. 147 Becomes Rt. 180". The Daily Item. Sunbury, Pennsylvania. January 5, 1984. p. 9. Retrieved April 18, 2019 – via Newspapers.com. Open access icon
  3. ^ "Interstate 180 (Pennsylvania)" (Map). Google Maps. Retrieved November 25, 2017.
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