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Since the 1964 state highway renumbering, which established the current state route system, the
Washington State Department of Transportation The Washington State Department of Transportation (WSDOT or WashDOT, both ) is a governmental agency that constructs, maintains, and regulates the use of transportation infrastructure in the U.S. state of Washington (state), Washington. Establi ...
has decommissioned some state routes. Once a highway has been decommissioned, the highway is turned over to the local county or city that it is in, they are then responsible for all maintenance on the former highway. All former highways are codified in Washington law under the Revised Code of Washington, chapter 47.17, section 420. Other highways during the transition between the 1964 renumbering and codification of the new system in 1970 are not listed here.


State Route 30

State Route 30 was created during the 1964 state highway renumbering as a replacement for Primary State Highway 4 (PSH 4), which connected
U.S. Route 97 U.S. Route 97 (US 97) is a major north–south route of the United States Numbered Highway System in the Pacific Northwest region. It runs for approximately through the states of California, Oregon, and Washington, primarily serving in ...
(US 97) in
Tonasket Tonasket is a city in Okanogan County, Washington, United States. The population was 1,032 at the 2010 census. History Tonasket was officially incorporated on December 16, 1927. It is named after Chief Tonasket of the Okanogan people, a local ...
to
Republic A republic () is a "state in which power rests with the people or their representatives; specifically a state without a monarchy" and also a "government, or system of government, of such a state." Previously, especially in the 17th and 18th c ...
, and two secondary highways that continued east to US 395 near
Kettle Falls Kettle Falls (Salish: Shonitkwu, meaning "roaring or noisy waters", also Schwenetekoo translated as "Keep Sounding Water") was an ancient and important salmon fishing site on the upper reaches of the Columbia River, in what is today the U.S. s ...
. The highway traveled across
Wauconda Pass Wauconda Pass (el. 4310 ft./1314 m.) is a high mountain pass in the state of Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal go ...
in the
Okanagan Highlands The Okanagan Highland is an elevated hilly plateau area in British Columbia, Canada, and the U.S. state of Washington (where it is spelled Okanogan Highlands). Rounded mountains with elevations up to above sea level and deep, narrow valleys are ...
and Sherman Pass in the
Kettle River Range The Kettle River Range, often called the Kettle Range, is the southernmost range of the Monashee Mountains, located in far southeastern British Columbia, Canada and Ferry County, Washington, in the United States. Most of the northern half of the r ...
, forming the northernmost east–west route in
Eastern Washington Eastern Washington is the region of the U.S. state of Washington located east of the Cascade Range. It contains the city of Spokane (the second largest city in the state), the Tri-Cities, the Columbia River and the Grand Coulee Dam, the Hanfor ...
. Following the completion of the
North Cascades Highway North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' is ...
in 1972, SR 20 was extended east to form a cross-state route under a single number. SR 30 and SR 294 were decommissioned in 1973 and incorporated into the extended highway, which became the state's longest.


State Route 95

US 95, a major north–south route between
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
and the
Canadian border Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of ...
, ran for in
Whitman County, Washington Whitman County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 47,973. The county seat is Colfax, and its largest city is Pullman. The county was formed from Stevens County in 1871. It is named ...
, from 1926 to 1979. The short section, between two crossings of the
Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyom ...
state line, connected to US 195 northwest of
Lewiston, Idaho Lewiston is a city and the county seat of Nez Perce County, Idaho, United States, in the state's north central region. It is the second-largest city in the northern Idaho region, behind Coeur d'Alene, and ninth-largest in the state. Lewiston is ...
. The Washington section was bypassed through the opening of a new highway in October 1977 that stayed within Idaho; the former highway was absorbed into US 195 and a new
spur route A spur route is a short road forming a branch from a longer, more important road such as a freeway, Interstate Highway, or motorway. A bypass or beltway should not be considered a true spur route as it typically reconnects with another or the s ...
created in 1979.


State Route 110

State Route 110 was established in 1967 as SSH 1F, a short connector between Chuckanut Drive ( SR 11) and
I-5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
(formerly PSH 1) that had been planned to be built. The route was intended to provide automobile and truck access to the freeway from the Fairhaven neighborhood and nearby industrial areas, bypassing residential areas in Bellingham. The city government had proposed the highway in 1966 and studied several routings for the highway, ultimately recommending route that generally followed the former Fairhaven and Southern Railroad; state highway engineers recommended against a
limited-access road A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, limited access freeway, and partial controlled access highway, is a highway or arterial road for high-speed traffic which ...
due to the corridor's development potential. The state government approved plans in 1969, despite local opposition, and the highway was named the Valley Parkway by the city government in January 1972. Construction began later that year and the highway opened to traffic in November 1972 at a cost of $615,479. SR 11 was routed onto the new highway upon its completion as part of a provision added by the state legislature in 1971. SR 110 was repealed and decommissioned in 1975; the designation was later assigned to a separate route in 1991.


State Route 111 Temporary

State Route 111 was a
state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the
U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...
, running from Hurricane Ridge in the
Olympic National Park Olympic National Park is a United States national park located in the State of Washington, on the Olympic Peninsula. The park has four regions: the Pacific coastline, alpine areas, the west-side temperate rainforest, and the forests of the drier ...
to
US 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...
.


State Route 113

State Route 113 was a state highway that connected US 101 at
Discovery Bay Discovery Bay (DB) is a resort town on Lantau Island, Hong Kong. It consists of mixed, primarily residential, development, in particular upmarket residential development and private and public recreational facilities, including garden houses, ...
to SR 525 on
Whidbey Island Whidbey Island (historical spellings Whidby, Whitbey, or Whitby) is the largest of the islands composing Island County, Washington, in the United States, and the largest island in Washington State. (The other large island is Camano Island, ...
. It was decommissioned in 1973 and replaced by SR 20. The SR 113 designation was reused in 1991 for a highway in western
Clallam County Clallam County is a county in the U.S. state of Washington. As of the 2020 census, the population was 77,155, with an estimated population of 78,209 in 2021. The county seat and largest city is Port Angeles; the county as a whole comprises the ...
.


State Route 126

State Route 126 was an auxiliary route of US 12 in southeastern Washington that ran from
Dayton Dayton () is the sixth-largest city in the U.S. state of Ohio and the county seat of Montgomery County. A small part of the city extends into Greene County. The 2020 U.S. census estimate put the city population at 137,644, while Greater Da ...
in the west to Pomeroy in the east. It was a steep and unpaved route that connected two sections of US 12 with the foothills of the Blue Mountains in Columbia and
Garfield ''Garfield'' is an American comic strip created by Jim Davis. Originally published locally as ''Jon'' in 1976, then in nationwide syndication from 1978 as ''Garfield'', it chronicles the life of the title character Garfield the cat, his human ...
counties. SR 126 was created during the 1964 state highway renumbering as a replacement for Secondary State Highway 3L. It was removed from the state highway system by the state legislature in 1991 and transferred to county control in April 1992. The former highway followed Patit Road, Hartstock Grade Road, Tucannon Road, Blind Grade Road, Linville Gulch Road, and Tatman Mountain Road.


State Route 131

State Route 131 was a highway that connected two sections of US 97 between
Ellensburg Ellensburg is a city in and the county seat of Kittitas County, Washington, United States. It is located just east of the Cascade Range near the junction of Interstate 90 and Interstate 82. The population was 18,666 at the 2020 census. and was ...
and Virden in
Kittitas County Kittitas County () is a county located in the U.S. state of Washington. At the 2020 census, its population was 44,337. Its county seat and largest city is Ellensburg. The county was created in November 1883 when it was carved out of Yakima Coun ...
. It was established in 1964 as a replacement for SSH 2I. The highway was rebuilt in 1975 and incorporated into US 97, as it provided a shorter route between Ellensburg and
Blewett Pass Blewett Pass (), at an elevation of , is a mountain pass in the Wenatchee Mountains (an eastward extension of the Cascades) of Washington state that is crossed by U.S. Route 97 (US 97). Named for Edward Blewett, a Seattle mining promo ...
. SR 131 was later reassigned in 1991 to a short highway near
Randle Randle, as a surname or a given name, may refer to: Surname: * Betsy Randle (born 1955), American actress * Bill Randle (1923–2004), American disc jockey, lawyer and university professor * Brian Randle (born 1985), American NBA coach and basketba ...
.


State Route 140


State Route 143

State Route 143 was a short connector between the
Umatilla Bridge The Umatilla Bridge is the collective name for a pair of bridges in the northwest United States, carrying Interstate 82/U.S. Route 395 (I-82/US 395) across the Columbia River at the Washington–Oregon border. The older bridge opened in Jul ...
, which crosses over the
Columbia River The Columbia River (Upper Chinook: ' or '; Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, C ...
to
Umatilla, Oregon Umatilla (, ) is a city in Umatilla County, Oregon, United States. The population in 2010 was 6,906, but the city's population includes approximately 2,000 inmates incarcerated at Two Rivers Correctional Institution. Umatilla is part of the ...
, and SR 14 in
Plymouth Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymouth ...
. It was created in 1973 as part of an agreement with the
Umatilla County Umatilla County () is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 80,075. Hermiston is the largest city in Umatilla County, but Pendleton remains the county seat. Umatilla County is part of ...
government to transfer control of the Umatilla Bridge to the states of Oregon and Washington once its tolls had paid off its construction bonds. The tolls were removed on August 30, 1974, and ownership was transferred on November 1, with Washington assuming maintenance duties. SR 143 was decommissioned in 1985 and replaced by I-82 and US 395, which were routed over the Umatilla Bridge and a new northbound bridge that opened in 1988.


State Route 151


State Route 209

State Route 209 was a
state route A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the
U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...
. It was an
auxiliary route In road transportation in the United States, a special route is a road in a numbered highway system that diverts a specific segment of related traffic away from another road. They are featured in many highway systems; most are found in the Int ...
of
U.S. Route 2 U.S. Route 2 or U.S. Highway 2 (US 2) is an east–west United States Numbered Highways, U.S. Highway spanning across the northern continental United States. US 2 consists of two segments connected by various roadways in southern ...
. It started at SR 207 in
Lake Wenatchee State Park Lake Wenatchee State Park is a public recreation area located at the eastern end of Lake Wenatchee, a glacier- and snowmelt-fed lake in the Wenatchee National Forest on the eastern slopes of the Cascades Mountain Range in the state of Washington ...
and went east to the community of
Plain In geography, a plain is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands ...
and then south to
U.S. Route 2 U.S. Route 2 or U.S. Highway 2 (US 2) is an east–west United States Numbered Highways, U.S. Highway spanning across the northern continental United States. US 2 consists of two segments connected by various roadways in southern ...
near Leavenworth. In January 1964, SSH 15C became SR 209 and SR 207. SR 209 was removed in 1992, and replaced by the Chumstick Highway.


State Route 220


State Route 232

State Route 232 was a
state route A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the
U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...
. It was an
auxiliary route In road transportation in the United States, a special route is a road in a numbered highway system that diverts a specific segment of related traffic away from another road. They are featured in many highway systems; most are found in the Int ...
of State Route 23. It started at SR 231 and went east to
U.S. Route 395 U.S. Route 395 (US 395) is a U.S. Route in the western United States. The southern terminus of the route is in the Mojave Desert at Interstate 15 near Hesperia. The northern terminus is at the Canada–US border near Laurier, where the road ...
. In 1967, SSH 3U became SR 232. SR 232 was later removed in 1992.


State Route 237


State Route 251


State Route 276

State Route 276 was a proposed northern bypass of Pullman between US 195 and SR 270 that was never built. It was added to the state highway system in 1973 during property acquisition, but construction was stalled and shelved. A route development plan was published in 2007 but construction was not expected to begin for at least another decade. SR 276 was removed from the state highway system in 2016 to allow for expansion of
Pullman–Moscow Regional Airport Pullman–Moscow Regional Airport is a public airport in the northwest United States, located in Whitman County, Washington, east of Pullman, Washington and west of Moscow, Idaho. The airport is accessed via spurs from State Route 270, and ha ...
.


State Route 294

State Route 294 connected Kettle Falls to SR 31. It was decommissioned in 1973 and replaced by SR 20.


State Route 306

State Route 306 was a short auxiliary route of SR 3 in
Kitsap County Kitsap County is located in the U.S. state of Washington. As of the 2020 census, its population was 275,611. Its county seat is Port Orchard, and its largest city is Bremerton. The county was formed out of King County and Jefferson County on ...
that connected
Bremerton Bremerton is a city in Kitsap County, Washington. The population was 37,729 at the 2010 census and an estimated 41,405 in 2019, making it the largest city on the Kitsap Peninsula. Bremerton is home to Puget Sound Naval Shipyard and the Bremerto ...
to Illahee State Park. It traveled east on Sylvan Way for from SR 303 to the state park entrance. SR 306 was created during the 1964 renumbering as a replacement for a branch of SSH 21B, which became SR 303. It was planned to be removed from the highway system by the state legislature in 1991, but a technical error inadvertently removed SR 304 instead. SR 306 was decommissioned in 1993 and SR 304 was restored.


State Route 311


State Route 402

State Route 402 was a proposed highway that was never built.


State Route 403


State Route 407

State Route 407 was an auxiliary route of SR 4 that connected Cathlamet to Elochoman State Forest. It was previously designated as SSH 12D prior to the 1964 renumbering and was removed as a state highway in 1992. A 1973 proposal to extend SR 407 to a junction with SR 506 near Vader was considered by the state legislature but was not recommended for construction.


State Route 431

State Route 431 was a short auxiliary route of SR 4 in
Kelso, Washington Kelso is a city in the southwestern part of the U.S. state of Washington and is the county seat of Cowlitz County. At the 2020 census, the population was 12,720. Kelso is part of the Longview, Washington Metropolitan statistical area, which h ...
. It traveled along North Pacific Avenue and North Kelso Avenue to connect its parent highway to an interchange with
I-5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
. The highway was originally assigned the designation of SR 831 during the 1964 renumbering to replace a short branch of PSH 12 that had been created a year earlier. It was renumbered to SR 431 in 1967 following the replacement of parent route US 830 with SR 4. Control of the highway was transferred to local governments in 1992 as part of a swap that included an extension of SR 432.


State Route 514

SR 514 was a
state route A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the
U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...
. It was an
auxiliary route In road transportation in the United States, a special route is a road in a numbered highway system that diverts a specific segment of related traffic away from another road. They are featured in many highway systems; most are found in the Int ...
of
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
. It started at SR 99 in
Fife Fife (, ; gd, Fìobha, ; sco, Fife) is a council area, historic county, registration county and lieutenancy area of Scotland. It is situated between the Firth of Tay and the Firth of Forth, with inland boundaries with Perth and Kinross (i ...
, then headed east to SR 161, where it ended in
Milton Milton may refer to: Names * Milton (surname), a surname (and list of people with that surname) ** John Milton (1608–1674), English poet * Milton (given name) ** Milton Friedman (1912–2006), Nobel laureate in Economics, author of '' Free t ...
. In January 1964, SSH 1X became SR 514, which originally began at an interchange with I-5 in Fife before being truncated to SR 99. On April 1, 1992, SR 514 became defunct.


State Route 537


State Route 540

State Route 540 was an auxiliary route of I-5 that connected the freeway to the
Lummi Indian Reservation The Lummi ( ; Lummi: ''Xwlemi'' ; also known as Lhaq'temish (), or ''People of the Sea''), governed by the Lummi Nation, are a Native American tribe of the Coast Salish ethnolinguistic group. They are based in the coastal area of the Pacific No ...
. It was added to the state highway system in 1953 as Secondary State Highway 1Z, replacing an earlier county road that served an oil refinery. It was renumbered to SR 540 in 1964. Its intersection with PSH 1/US 99 was replaced with an interchange that was constructed from 1976 to 1977 during a grade separation project on I-5. An earlier plan to build a
cloverleaf interchange A cloverleaf interchange is a two-level interchange in which all turns are handled by slip roads. To go left (in right-hand traffic; reverse directions in left-driving regions), vehicles first continue as one road passes over or under the ...
was scrapped in favor of a conventional diamond interchange. The highway sustained major damage during a December 1979 flood of the Nooksack River. SR 540 was removed from the state highway system in 1984 and transferred to Whatcom County as part of a swap; the state instead took over maintenance of the Sumas–Kendall Road, which became SR 547.


State Route 603

State Route 603 was an auxiliary route of SR 6 that connected
I-5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
near Toledo to Winlock and its parent highway west of
Chehalis Chehalis may refer to: People * Chehalis people, a Native American people of Washington state **Lower Chehalis language **Upper Chehalis language * Sts'Ailes people (Chehalis people), a First Nation in British Columbia * Chehalis First Nation, Bri ...
. The majority of the highway was transferred to county control in 1992, with the exception of the east–west section between Winlock and I-5 that was renumbered to part of SR 505.


State Route 901

SR 901 was created in 1964 from Secondary State Highway 2D. At the time of its creation, SR 901 began at the intersection of Lake Washington Boulevard and State Route 520, on the border of Kirkland and
Bellevue Bellevue means "beautiful view" in French. It may refer to: Placenames Australia * Bellevue, Western Australia * Bellevue Hill, New South Wales * Bellevue, Queensland * Bellevue, Glebe, an historic house in Sydney, New South Wales Canada ...
. It then traveled north along Lake Washington Blvd. to downtown Kirkland. At the intersection of Lake St. and Central Way, SR 901 turned right, traveling east along Central Way. It then continued as Redmond Way into Redmond turning south onto West
Lake Sammamish Lake Sammamish is a freshwater lake east of Seattle in King County, Washington, United States. The lake is long and wide, with a maximum depth of and a surface area of . It lies east of Lake Washington and west of the Sammamish Plateau, and ...
Parkway when the roads intersected. It then followed West Lake Sammamish Parkway into
Issaquah Issaquah ( ) is a city in King County, Washington, United States. The population was 40,051 at the 2020 census. Located in a valley and bisected by Interstate 90, the city is bordered by the Sammamish Plateau to the north and the "Issaquah Alp ...
, ending at its intersection with State Route 900. SR 901 also had a spur leading from West Lake Sammamish Parkway into downtown Redmond along Redmond Way. In 1971, SR 901 was broken into two parts. The western part, from SR 520 to the intersection of Redmond Way and West Lake Sammamish Parkway (including the spur into Redmond), was renamed State Route 908. The remainder retained the SR 901 designation, with one exception; West Lake Sammamish Parkway lost its state route designation from Exit 13 of
Interstate 90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, and ...
to its intersection with SR 900. Effective April 1, 1992, SR 901's path was changed again; now it ran through the city of
Sammamish Sammamish ( ) is a city in King County, Washington, United States. The population was 67,455 at the 2020 census. Located on a plateau, the city is bordered by Lake Sammamish to the west and the Snoqualmie Valley to the east. Sammamish is a resid ...
along ''East'' Lake Sammamish Parkway from Front Street in Issaquah to State Route 202 east of downtown Redmond. In June, SR 901 was completely dropped as a state route in Washington, following outcry from residents on East Lake Sammamish Parkway.


State Route 908


State Route 920

State Route 920 (SR 920) was the temporary designation for a section of SR 520 bypassing downtown Redmond. It was created in 1975 and opened in July 1977, connecting SR 901 to SR 202. Four years after the missing link in SR 520 was completed in 1981, SR 920 was deleted from the state highway system.


References

;General * ;Notes


External links


State Highways aka State Routes (SRs)
nbsp;– Highways of Washington State
Chapter 47.17 RCW Dispositions – State highway routes
nbsp;– Washington State Legislature {{DEFAULTSORT:Former state routes in Washington, List of Former state routes