 The highway continued through Allentown on Hanover Avenue and through Bethlehem on Broad Street, Linden Street, and Easton Avenue.Pennsylvania Route 43 was aligned as a bypass, north of the Pennsylvania Dutch Country, that ran from U.S. Route 22, U.S. Route 11, and Pennsylvania Route 5 in Harrisburg to Pennsylvania Route 12 in Bethlehem.The route from Fogelsville to Allentown, now Main Street, Tilghman Street, Broadway, College Heights Boulevard, and Liberty Street, was designated LR 443 in 1925, and was soon incorporated into "Traffic Route 43."