 The road becomes Main Street and heads south on the border between the borough of Schwenksville to the west and Lower Frederick Township to the east, running between wooded neighborhoods to the west and the Perkiomen Creek and Perkiomen Trail to the east.PA 29/PA 73 fully enters Schwenksville and runs past homes and businesses, turning to the southeast.At the south end of the borough, PA 73 splits from PA 29 by turning northeast onto Skippack Pike and immediately crossing the Perkiomen Trail and the Perkiomen Creek into Perkiomen Township.