Washington State Route 8 is a short highway connecting U.S. Highway 12 in Elma, Washington to U.S. Highway 101 near Olympia, Washington. It begins as an expressway and goes through the town of McCleary. It interchanges with Washington State Route 108. Then it goes by Summit Lake and Capitol State Forest. Finally it merges with US-101 near Olympia. However, to get onto US-101 north you must exit the freeway after the merge and get back on going the other direction.