The route curves to the northwest and heads through more woodland with some fields and residences as it continues into the borough of Sugarcreek and turns north.

PA 428 enters Oakland Township and becomes an unnamed road, passing through Fosters Corners and running through more farmland and woodland with some homes, curving northwest.

The route heads through more agricultural and wooded areas with a few residences, turning northwest and crossing into Plum Township.

The road makes a curve to the northwest and runs through more farms and woods with some homes, reaching the community of Troy Center.

At this point, the route turns north to remain on Troy Center Road and runs through more rural areas, ending at an intersection with PA 408.