Past Buck, PA 272 crosses into Providence Township and runs through a mix of farmland and woodland with some commercial development, passing to the east of Buck Motorsports Park and bending northwest. The road continues north through farms and woods with some homes and businesses. The route widens into a four-lane divided highway and the travel lanes split as the road heads northwest through wooded areas and passes under the Enola Low Grade Trail. Both directions of PA 272 rejoin in the community of Smithville and it continues north as a four-lane divided highway through a mix of farms and woods with some homes and businesses, curving northwest. The road crosses Pequea Creek into Pequea Township and becomes Willow Street Pike, continuing through rural areas with some development before reaching the community of Willow Street. Between Smithville and Willow Street, a few of the intersections along the divided highway are controlled by jughandles. In Willow Street, both directions of the route split, with the northbound direction heading into residential and commercial areas, while the southbound direction bypasses Willow Street to the west through farmland. PA 272 continues into West Lampeter Township and runs through more developed areas in Willow Street before it comes to a junction with US 222/PA 741.