 The road intersects Prospect Road south of an interchange with the US 30 freeway and passes near residential and commercial development and some fields before it enters the borough of Mountville.The route narrows to two lanes and is lined with homes as it heads east through the borough along Main Street.PA 462 comes to a bridge over Norfolk Southern's Columbia Secondary and continues through residential areas before it leaves Mountville and becomes the border between West Hempfield Township to the north and Manor Township to the south, with the name changing back to Columbia Avenue and the center left-turn lane returning.