Washington State Capitol Washington State Capitol The Washington State Capitol or "Legislative Building" in Olympia is the home of the government of the state of Washington. It contains chambers for the Washington State Legislature and offices for the governor, lieutenant governor, secretary of state and treasurer and is part of a campus consisting of several buildings. Buildings for the Washington Supreme Court, executive agencies and the Washington Governor's Mansion are part of the capitol campus. After Olympia became capital city of the Washington Territory in 1853, the city's founder, Edmund Sylvester, gave the legislature of land upon which to build the capitol, located
Washington State Route 10 PSH 3 as I-90 was being planned along its route. I-90 opened between Vantage and Snoqualmie Pass in November 1968 and SR 10 replaced US 10 when the state highways were codified in 1970. US 97 was moved onto former SR 131 between Thorp and Virden in 1975, leaving SR 10 without a concurrency and creating SR 970. Washington State Route 10 State Route 10 (SR 10) is a state highway in the U.S. state of Washington. The highway is a remnant of U.S. Route 10 (US 10) in Kittitas County, traveling southeast along the Yakima River from SR 970