 PA 16 becomes two-lane Buchanan Trail East and passes near a few farm fields before continuing past more residential and commercial development, curving east and passing north of the community of Rouzerville.The road leaves the Cumberland Valley and heads into forested areas in the South Mountain range, curving northeast and gaining a second eastbound lane.The route continues to ascend the mountain and gains a center left-turn lane before turning to the east, passing near the community of Beartown.