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State Route 104 (SR 104) is a state highway in the U.S. state of Washington, serving four counties: Jefferson on the Olympic Peninsula, Kitsap on the Kitsap Peninsula, and Snohomish and King in the Puget Sound region. It begins south of Discovery Bay at U.S. Route 101 (US 101) south of Discovery Bay and crosses the Hood Canal Bridge over Hood Canal to the terminus of SR 3 near Port Gamble. SR 104 continues southeast onto the Edmonds–Kingston Ferry to cross the Puget Sound and intersects SR 99 and Interstate 5 (I-5) before ending at SR 522 in Lake Forest Park. SR 104 also has a short spur route that connects the highway to SR 99 at an at-grade signal on the Snohomish–King county line. Established during the 1964 state highway renumbering, SR 104 was formed out of four highways, themselves created in 1937: Secondary State Highway 9E (SSH 9E) from Discovery Bay to Port Gamble, Primary State Highway 21 (PSH 21) from Port Gamble to Kingston, SSH 1W within Edmonds, and SSH 2B from Edmonds to Lake Forest Park. PSH 21 was originally part of State Road 21, added to the state highway system in 1915 to connect the Port Gamble–Shine ferry to the Kingston ferry landing. The Edmonds–Kingston ferry at the end of State Road 21 has been in operation under various companies since 1923 and was served by the 14-car ''City of Edmonds''. SSH 9E extended from Discovery Bay to Port Ludlow initially and was moved south and extended to the South Point ferry landing in the late 1940s. The bridge replaced the South Point–Lofall ferry when it opened in 1961, but the ferry was re-used during the construction of the second Hood Canal Bridge after the first bridge sank in 1979 and before the new bridge opened in 1982. The Edmonds–Kingston ferry was added to the state ferry system in 1951 before it was incorporated into SR 104 in 1994. ==Route description== SR 104 begins at an intersection with US 101, located south of Discovery Bay on the Olympic Peninsula. The highway travels south through rural Jefferson County towards Crocker Lake and turns southeast, intersecting SR 19 south of Port Ludlow. SR 104 continues east along the northern shore of Squamish Harbor, part of the Hood Canal, and crosses into Kitsap County on the Hood Canal Bridge, the third longest floating bridge in the world. The highway serves as the northern terminus of SR 3 east of the bridge and turns northeast towards Port Gamble, located on the Kitsap Peninsula. SR 104 turns south along the western shore of Port Gamble, the bay the community is named after, and turns southeast to intersect SR 307. The highway continues east from the intersection to Kingston, where it splits into a one-way pair before the designation travels onto the Edmonds–Kingston Ferry. The ferry, operated by Washington State Ferries (WSF), takes approximately 30 minutes to cross across Puget Sound. It departs from Kingston on Appletree Cove and arrives in Edmonds in Snohomish County. WSF operates thirteen round-trip crossings every day. Westbound passengers must pay a $7.70 toll or they may alternately pay with a prepaid Wave2Go card. SR 104 resumes in Edmonds on Main Street and crosses a BNSF rail line south of Edmonds Station. The highway turns south at an intersection with SR 524 onto Sunset Avenue towards Woodway. The roadway travels southeast along Edmonds Way towards the Snohomish–King county line, intersecting SR 524 Spur and 5th Street at a grade-separated interchange. Edmonds Way travels through a partial cloverleaf interchange with SR 99 before SR 104 intersects its spur route, which travels west towards an at-grade signal with SR 99. The highway continues east along Ballinger Way to a partial cloverleaf interchange with I-5 southeast of Lake Ballinger. The highway travels southeast into Lake Forest Park, where SR 104 ends at SR 522 on the north shore of Lake Washington.〔 SR 104 is considered, by the Washington State Department of Transportation (WSDOT), an auxiliary route of US 101, part of a numbering system established during the 1964 state highway renumbering. Every year, WSDOT conducts a series of surveys on its highways in the state to measure traffic volume. This is expressed in terms of average annual daily traffic (AADT), which is a measure of traffic volume for any average day of the year. In 2011, WSDOT calculated that between 3,800 and 44,000 vehicles per day used the highway, mostly in the Shoreline area. The Edmonds–Kingston ferry carried 3.808 million passengers and 2.025 million vehicles in 2012, according to WSF statistics. The segments of the highway between Discovery Bay and Kingston and SR 99 and I-5 in Edmonds and Shoreline are designated as part of the National Highway System, while the whole route is designated by WSDOT as a Highway of Statewide Significance because it connects major communities in the state of Washington. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Washington State Route 104」の詳細全文を読む スポンサード リンク
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