Pennsylvania Route 642
| Route information | ||||
|---|---|---|---|---|
| Maintained by PennDOT | ||||
| Length | 21.455 mi (34.528 km) | |||
| Major junctions | ||||
| West end | US 15 in Kelly Township | |||
| PA 147 near Milton PA 54 in Valley Township | ||||
| East end | PA 44 / PA 254 in Madison Township | |||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Union, Northumberland, Montour, Columbia | |||
| Highway system | ||||
| ||||
Pennsylvania Route 642 (PA 642) is a 21.4-mile-long (34.4 km) state highway located in Union, Northumberland, Montour, and Columbia counties in Pennsylvania. The western terminus is at the intersection of Third Street and Broad Street in West Milton near an interchange with U.S. Route 15 (US 15). The eastern terminus is at PA 254 and PA 44 in Jerseytown.