 Pennsylvania Route 356 | ||||
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| Route information | ||||
| Maintained by PennDOT | ||||
| Length | 32.453 mi[1] (52.228 km) | |||
| Major junctions | ||||
| South end |  PA 66 near Oklahoma | |||
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| North end |  US 422 near Butler | |||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Westmoreland, Allegheny, Butler, Armstrong | |||
| Highway system | ||||
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Pennsylvania Route 356 (PA 356) is a 32.5-mile-long (52.3 km) state highway located in Westmoreland, Allegheny, Butler, and Armstrong counties in Pennsylvania. The southern terminus is at PA 66 near Oklahoma. The northern terminus is at U.S. Route 422 (US 422) near Butler.