 Pennsylvania Route 646 | ||||
|---|---|---|---|---|
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| Route information | ||||
| Maintained by PennDOT | ||||
| Length | 19.153 mi[1] (30.824 km) | |||
| Existed | 1928[2]–present | |||
| Major junctions | ||||
| South end |  PA 59 in Keating Township | |||
 PA 770 in Keating Township PA 46 in Foster Township PA 246 in Otto Township PA 346 in Foster Township | ||||
| North end |  NY 16 at the New York state line in Foster Township | |||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | McKean | |||
| Highway system | ||||
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Pennsylvania Route 646 (PA 646) is a 19.15 miles (30.82 km) long state highway located in McKean County in Pennsylvania. The southern terminus is at PA 59 in Keating Township. The northern terminus is the New York state line in Foster Township. The route continues as New York State Route 16 (NY 16) in Cattaugarus County.
PA 646 was assigned in the 1928 mass numbering of state routes in Pennsylvania. At that time, it consisted entirely of the PA 346–state line stretch in Foster Township. The rest of the stretch consisted of PA 59, now realigned, and PA 746, now decommissioned. PA 746 was decommissioned in 1946, and PA 59 was realigned in 1952, with PA 646 being extended onto its current alignment. The route has remained virtually unchanged since the change in 1952.
- ^ Bureau of Maintenance and Operations (January 2015). Roadway Management System Straight Line Diagrams (Report) (2015 ed.). Pennsylvania Department of Transportation. Retrieved June 30, 2015.
- McKean County (PDF)
- ^ Cite error: The named reference
1928mapwas invoked but never defined (see the help page).