Pennsylvania Route 138 (PA 138) is a 10.6-mile-long (17.1 km) state highway located in Butler County, Pennsylvania. The southern terminus is at PA 8 near West Liberty. The northern terminus is at PA 38 in North Washington.
Pennsylvania Route 138 (PA 138) is a 10.6-mile-long (17.1 km) state highway located in Butler County, Pennsylvania. The southern terminus is at PA 8 near West Liberty. The northern terminus is at PA 38 in North Washington. (en)
Pennsylvania Route 138 (PA 138) is a 10.6-mile-long (17.1 km) state highway located in Butler County, Pennsylvania. The southern terminus is at PA 8 near West Liberty. The northern terminus is at PA 38 in North Washington. (en)