 The route turns east onto two-lane divided limited-access Clearfield Shawville Highway and passes through wooded areas, skirting the southern border of Clearfield.PA 879 becomes undivided and turns to the northeast, passing through a section of Clearfield before heading back into Lawrence Township and coming to an interchange with PA 153, at which point it widens into a three-lane divided highway with two eastbound lanes and one westbound lane.The road briefly passes through Clearfield again before reentering Lawrence Township, becoming undivided again and curving to the north.