Washington (state) Washington (state) Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the United States. Named for George Washington, the first president of the United States, the state was made out of the western part of the Washington Territory, which was ceded by Britain in 1846 in accordance with the Oregon Treaty in the settlement of the Oregon boundary dispute. It was admitted to the Union as the 42nd state in 1889. Olympia is the state capital; the state's largest city is Seattle. Washington is sometimes referred to as Washington State, to distinguish it
Washington State Route 150 in May 2011 and is planning to replace an intersection with No See-Um Road northwest of Chelan with dedicated left turn lanes or a roundabout in 2014. Washington State Route 150 State Route 150 (SR 150) is a long state highway serving Chelan County in the U.S. state of Washington. The highway begins in the unincorporated community of Manson and travels southeast along the north shore of Lake Chelan into Chelan, where it is briefly concurrent with U.S. Route 97 Alternate (US 97 Alternate). It ends at US 97 north of the Beebe Bridge on the Columbia River north of