 Farther north, the road reaches the community of Lickdale, where it passes businesses and homes and intersects Fisher Avenue, which heads west to an interchange with I-81 and Fort Indiantown Gap.PA 72 runs past more commercial development before it runs through fields and trees with some homes, with I-81 parallel to the west and the Swatara Creek parallel to the east.The route passes through forested Swatara Gap in Blue Mountain, where it turns northwest closely parallel to the creek and crosses under I-81 before heading across the Appalachian Trail.