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In page Walla Walla, Washington:

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There are four major bus services in the area connecting the region's cities. Walla Walla and nearby College Place are served by Valley Transit, a typical multi-route city bus service. The city of Milton-Freewater, OR has a single-line bus service with several stops in town with two stops in College Place and five in Walla Walla. Travel Washington's Grape Line is a 104-mile (167 km) intercity service between Walla Walla and Pasco that runs three times a day. Finally, Confederated Tribes of the Umatilla Indian Reservation operates a Kayak bus to Pendleton, with four trips each weekday and two trips each Saturday via its Walla Walla Whistler route.[3]