US Highway 12 in Walla Walla County, Washington

US Highway 12 in Walla Walla County is a two-lane expressway. This street is part of the Highways 12 and Lewis and Clark National Historic Trail Auto Tour Route. US Highway 12 also exists in Asotin County, Garfield County and Thurston County.
Road Type
expressway
Lanes
2
Speed Limit
40 mph