Pennsylvania Route 428

Venango County

PA 428 begins at an intersection with US 62/PA 8 in Oil City, Venango County, heading north on two-lane undivided Halyday Street. The road heads through wooded areas with occasional homes, crossing into Cornplanter Township and becoming Halyday Run Road. The route curves to the northwest and heads through more woodland with some fields and residences as it continues into 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 road continues northwest through more rural areas, coming to an intersection with PA 417. At this point, PA 428 turns northeast to form a concurrency with PA 417 for a short distance before heading north onto Wallaceville Road. The route heads through more agricultural and wooded areas with a few residences, turning northwest and crossing into Plum Township. The road heads north again and passes through Wallaceville, running north-northwest through wooded areas. PA 428 turns northeast to remain on Wallaceville Road, continuing through more woodland with occasional fields. The route curves north at Propers Corners before a turn to the east and another curve back to the north. The road runs through areas of farms and woods with some homes as it reaches the PA 27 intersection. Here, PA 428 turns southwest to follow PA 27 briefly on Meadville Road before spitting at Diamond and heading northwest on Troy Center Road. The route heads through more farmland and woodland with occasional residences, heading north.

Crawford County

PA 428 enters Troy Township in Crawford County and continues north through more rural areas on Troy Center Road. 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.