Pennsylvania Route 228 is a 21.1-mile-long (34.0 km) state highway located in Butler County, Pennsylvania. The western terminus is at U.S. Route 19 in Cranberry Township. The eastern terminus is at PA 356 in Buffalo Township. Because of the continued growth in Cranberry Township, Seven Fields, and Adams Township, PennDOT is in the planning stages to widen the highway to four lanes between Cranberry and PA 8.

Adams Township in Butler County, Pennsylvania, United States, is a township that had population of 14,841 at the 2020 census.