Pennsylvania Route 528 (PA 528) is a 22+1⁄2-mile-long (36.2 km) state highway located in Butler County, Pennsylvania. The southern terminus is at U.S. Route 19 (US 19) near Zelienople. The northern terminus is at PA 8 near West Liberty.
Pennsylvania Route 528 (PA 528) is a 22+1⁄2-mile-long (36.2 km) state highway located in Butler County, Pennsylvania. The southern terminus is at U.S. Route 19 (US 19) near Zelienople. The northern terminus is at PA 8 near West Liberty. (en)