Pennsylvania Route 780
| Route information | ||||
|---|---|---|---|---|
| Maintained by PennDOT | ||||
| Length | 8.49 mi (13.66 km) | |||
| Existed | 1936–present | |||
| Major junctions | ||||
| West end | PA 56 / PA 366 in New Kensington | |||
| East end | PA 380 in Washington Township | |||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Westmoreland | |||
| Highway system | ||||
| ||||
Pennsylvania Route 780 (PA 780) is an 8.49-mile-long (13.66 km) state highway located in Westmoreland County, Pennsylvania. The western terminus is at PA 56/PA 366 in New Kensington. The eastern terminus is at PA 380 in Washington Township.
Unusually, PA 780 was used for two separate state highways for more than three decades, with a different route of the same number existing in Clinton County. That route was decommissioned in 1967.