County Boundary Signs In Washington

Entering Walla Walla County on US-12 west.

Entering Franklin County on WA-260 West/WA-261 south.

Entering Adams County on WA-26 west crossing the Palouse River.

WA-17 south approaching WA-173 North/Bridgeport/Brewster. Crossing the Columbia River into Douglas County.

Entering Spokane County on I-90 west. Taken just west of the State Line exit near the Idaho state line.