PA 88 begins as Main Street then turns to the west crossing the Monongahela River into Greene County on the Albert Gallatin Memorial Bridge. After crossing the river, PA 88 turns to the north as it begins to parallel the Monongahela River to the east as well as railroad tracks to the west. After crossing the Dunkard Creek, PA 88 has entered the village of Poland Mines.
PA 88's path begins on Main Street before heading westward across the Monongahela River into Greene County using the Albert Gallatin Memorial Bridge. After crossing the river, it turns north and parallels the Monongahela River to the east while also running alongside railroad tracks to the west. Finally, after crossing Dunkard Creek, PA 88 enters the village of Poland Mines.