oregon 6Oregon Route 6 is a state hhway in the U.S. state of Oregon that runs between the city of Tillamook on the Oregon Coast, to the Willamette ValleyOregon Route 6 is a state hhway in the U.S. state of Oregon that runs between the city of Tillamook on the Oregon Coast, to the Willamette Valley, near Banks. OR 6 traverses