Puget Sound Regional Council major cities are Seattle, Bellevue in King County, Tacoma in Pierce County, Everett in Snohomish County, and Bremerton in Kitsap County. The region's population was estimated to be over 3.8 million as of April 2014. In 1956 the four counties of the Puget Sound region established the Puget Sound Regional Planning Conference, which changed its name to the Puget Sound Governmental Conference (PSGC) in 1958. It launched the Puget Sound Regional Transportation Study (PSRTS) in 1962 with support from the Washington State Highway Commission, the U.S. Bureau of Public Roads (predecessor of the Federal Highway Administration), and the U.S. Department
Puget Sound Naval Shipyard Historic District began. Since 1961, Puget Sound has been engaged in the repair of both conventional and nuclear-powered aircraft carriers, surface ships, and submarines. The Puget Sound Naval Shipyard contains five historic districts: These five units are a comprehensive representation of the historic features of the naval shipyard. Puget Sound Naval Shipyard Historic District Puget Sound Naval Shipyard is a large military industrial complex located in Bremerton, Washington along the north shore of Sinclair Inlet, which opens to Puget Sound. This large shipyard is in length along the shore and over a half-mile in width at its greatest distance across. The shipyard