 The route continues through commercial areas and crosses the Lebanon Valley Rail Trail.PA 72 heads through urban residential areas before it enters the residential and commercial downtown of Lebanon, where it intersects the eastbound direction of US 422 at Walnut Street and the westbound direction of US 422 at Cumberland Street.North of here, the route crosses the Quittapahilla Creek and heads into industrial areas, where both directions come to bridges over Norfolk Southern's Harrisburg Line.