Pennsylvania Route 866

Pennsylvania Route 866
Route information
Maintained by PennDOT
Length	22.435 mi[1] (36.106 km)
Major junctions
South end	PA 36 in Woodbury
Major intersections	PA 164 in Martinsburg
North end	US 22 in Frankstown Township
Location
Country	United States
State	Pennsylvania
Counties	Bedford, Blair
Highway system
Pennsylvania State Route System Interstate US State Scenic Legislative
← PA 865 → PA 867
← PA 202 → PA 204 ← PA 983 → PA 985

Pennsylvania Route 866 (PA 866) is a 22.4-mile-long (36.0 km) state highway located in Bedford and Blair Counties in central Pennsylvania. The southern terminus is at PA 36 in Woodbury. The northern terminus is at U.S. Route 22 (US 22) in Frankstown Township.