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.
 Interstate 180 | ||||
|---|---|---|---|---|
 I-180 highlighted in red | ||||
| Route information | ||||
| Auxiliary route of I-80 | ||||
| Maintained by PennDOT | ||||
| Length | 28.84 mi[1] (46.41 km) | |||
| Existed | January 1984[2]–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end |    I-99 / US 15 / US 220 in Williamsport | |||
| US 15 in Williamsport
 PA 405 near Muncy | ||||
| East end |   I-80 / PA 147 near Milton | |||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Lycoming, Northumberland | |||
| Highway system | ||||
| ||||
Route description
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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.
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
editI-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
edit| County | Location | mi[3] | km | Exit | Destinations | Notes |
|---|---|---|---|---|---|---|
| Lycoming | Williamsport | 28.84 | 46.41 | – |    Future I-99 south / US 220 south – Lock Haven | Continuation south; west end of US 220 overlap |
| 29 |   I-99 north / US 15 north – Mansfield | West end of US 15 overlap; current southern terminus of I-99 | ||||
| 27.9 | 44.9 | 28 | Maynard Street | Access to Williamsport Hospital and Pennsylvania College of Technology | ||
| 27.7 | 44.6 | 27B | Hepburn Street | Eastbound exit and westbound entrance | ||
| 26.8 | 43.1 | 27A | US 15 south (Market Street) – Lewisburg | East end of US 15 overlap; access to Little League Museum and Business District | ||
| 26.5 | 42.6 | 26 | Basin Street | Westbound exit and eastbound entrance | ||
| Loyalsock | 25.3 | 40.7 | 25 | Faxon | Sgts. Thomas Woodruff Sr. and Hamilton Woodruff Memorial Interchange; access via Northway Road | |
| 24.0 | 38.6 | 23 |  Third Street / Warrensville Road – Warrensville, Montoursville | Signed as exits 23A (Third Street) and 23B (Warrensville) eastbound; access to Williamsport Regional Airport and Montoursville | ||
| Montoursville | 21.7 | 34.9 | 21 |  PA 87 north (Loyalsock Avenue) | Southern terminus of PA 87; access to Williamsport Regional Airport | |
| 20.4 | 32.8 | 20 | Fairfield Road | |||
| Muncy Township | 16.9 | 27.2 | 17 | Lycoming Mall Road | ||
| 15.5 | 24.9 | 15 | US 220 north – Halls, Pennsdale | East end of US 220 overlap | ||
| Muncy Creek Township | 12.8 | 20.6 | 13 | PA 405 – Muncy, Hughesville | Signed as exits 13A (south) and 13B (north) eastbound | |
| 10.6 | 17.1 | 10 | Main Street | Westbound exit and eastbound entrance | ||
| Northumberland | Delaware Township | 5.6 | 9.0 | 5 |  PA 54 – Turbotville | |
| 1.1 | 1.8 | 1 | McEwensville, Watsontown | Access via Susquehanna Trail | ||
| Turbot Township | 0.0 | 0.0 | – | I-80 – Bellefonte, Bloomsburg | Exit 212B on I-80 | |
| – | PA 147 south – Milton | Continuation south | ||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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See also
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References
edit- ^ "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.
- ^ 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.
- ^ "Interstate 180 (Pennsylvania)" (Map). Google Maps. Retrieved November 25, 2017.
External links
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