&sq=Envato&lang=en&file=File:I-180.svg) 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 | |||
| East end |   I-80 / PA 147 near Milton | |||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Lycoming, Northumberland | |||
| Highway system | ||||
| ||||
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.
- ^ "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.
- ^ "Section of Rt. 147 Becomes Rt. 180". The Daily Item. Sunbury, Pennsylvania. January 5, 1984. p. 9. Retrieved April 18, 2019 – via Newspapers.com.
