 The road enters the city of Butler and becomes New Castle Street, running through residential areas with some businesses.PA 68/PA 356 heads east onto West Cunningham Street before splitting into a one-way pair, with eastbound PA 68/southbound PA 356 following West Cunningham Street and westbound PA 68/northbound PA 356 following West Jefferson Street.The two routes head into the commercial downtown of Butler, coming to an intersection with PA 8 at which point PA 356 splits from PA 68 by heading south along that route.