The road winds northeast through rural Lycoming County alongside nearby Little Pine Creek.

The two-lane continues through the dense woods in the area, paralleling Blockhouse Creek into the village of Buttonwood.

After crossing the freeway, PA 284 curves north and ends at the junction with an on-ramp to I-99 northbound.

[3] PA 284 was first designated along its current alignment during the 1928 renumbering of state highways in Pennsylvania.

[4] The entire alignment of PA 284 was paved by the Pennsylvania Department of Highways in 1932, including the bridge over Flooks Run and Blacks Creek.