List of state routes in Washington

The U.S. state of Washington has over 7,000 miles (11,000 km) of state highways maintained by the Washington State Department of Transportation (WSDOT).[1] The highway system is defined through acts by the state legislature and is encoded in the Revised Code of Washington as State Routes (SR). It was created in 1964 to replace an earlier numbering scheme and ratified by the state legislature in 1970. The system's 196 highways are almost entirely paved, with the exception of a gravel section on SR 165.

State Routes in Washington

State Route 4 marker

State Route 27 marker

State Route 520 marker

Highway markers for State Route 4, State Route 27, and State Route 520
The state highway system of Washington
System information
Length7,054.96 mi[1] (11,353.86 km)
Formed1964
NotesMaintained by WSDOT
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route X (US X)
StateState Route nn (SR nn)
Spur Routes:State Route nn Spur (SR nn Spur)
System links

The state's Interstate and U.S. Highways are also defined as part of the state route system, but are omitted from this list.

State routes

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed[2] Removed Notes
SR 3 59.8196.25 US 101 in SheltonSR 104 near Port Gamble 01964-01-011964current
SR 4 62.27100.21 US 101 at Johnston's LandingI-5 in Kelso 01964-01-011964current
SR 6 51.3782.67 US 101 in RaymondI-5 in Chehalis 01964-01-011964current
SR 7 58.2693.76 US 12 in MortonI-5/I-705 in Tacoma 01964-01-011964current
SR 8 20.6733.27 US 12 in ElmaUS 101 near Olympia 01967-01-011967current
SR 8 US 410 in ElmaI-5 at Grand Mound 01964-01-01196401967-01-011967 Replaced by US 12, number re-assigned to former US 410
SR 9 97.35156.67 SR 522 near WoodinvilleBC 11 in Sumas 01964-01-011964current
SR 10 16.1626.01 SR 970 in TeanawayUS 97 near Ellensburg 01970-01-011970current
SR 11 21.3034.28 I-5 in BurlingtonI-5 in Bellingham 01964-01-011964current
SR 12 US 97/US 830 near MaryhillUS 410 near Kennewick 01964-01-01196401967-01-011967 Replaced by SR 14, number reassigned to US 12
SR 14 180.66290.74 I-5 in VancouverI-82/US 395 near Plymouth 01967-01-011967current
SR 14 I-5 near NapavineUS 410 in Naches 01964-01-01196401967-01-011967 Replaced by US 12
SR 16 27.1643.71 SR 3 in GorstI-5 in Tacoma 01964-01-011964current Signed eastwest
SR 17 136.67219.95 US 395 in MesaUS 97 near Brewster 01964-01-011964current
SR 18 28.4145.72 SR 99 in Federal WayI-90 near North Bend 01964-01-011964current
SR 19 14.0922.68 SR 104 near Port LudlowSR 20 near Port Townsend 01991-01-011991current
SR 20 436.13701.88 US 101 at Discovery BayUS 2 in Newport 01964-01-011964current Longest state highway in Washington
SR 21 191.29307.85 SR 260 in KahlotusBC Hwy 41 at Canada–US border in Danville 01964-01-011964current
SR 22 35.8457.68 I-82/US 12 near ZillahI-82/US 12 in Prosser 01964-01-011964current
SR 23 66.00106.22 US 195 near SteptoeSR 28 in Harrington 01964-01-011964current
SR 24 79.23127.51 I-82/US 12/US 97 in YakimaSR 26 in Othello 01964-01-011964current
SR 25 121.17195.00 US 2 in DavenportBC Hwy 22 at Canada–US border 01964-01-011964current
SR 26 133.61215.02 I-90 near VantageUS 195 in Colfax 01964-01-011964current
SR 27 90.00144.84 US 195 near PullmanSR 290 in Spokane Valley 01964-01-011964current
SR 28 135.25217.66 US 2/US 97 in East WenatcheeUS 2 in Davenport 01964-01-011964current
SR 30 US 97 in TonasketUS 395 near Kettle Falls 01964-01-01196401973-01-011973[3] Replaced by SR 20
SR 31 26.7943.11 SR 20 in TigerBC Hwy 6 at Canada–US border 01964-01-011964current
SR 35 OR 35 at Hood RiverSR 14 in White Salmon proposed
SR 41 0.410.66 ID 41 in OldtownUS 2 in Newport 01997-01-011997current
SR 92 9.1614.74 SR 9 in Lake StevensMountain Loop Highway in Granite Falls 01964-01-011964current
SR 96 6.7510.86 I-5 in EverettSR 9 near Cathcart 01991-01-011991current
SR 99 49.1379.07 I-5 in FifeI-5/SR 526/SR 527 in Everett 01964-01-011964current
SR 100 4.687.53 US 101 in IlwacoSR 100 in Ilwaco 01991-01-011991current
SR 102 2.864.60 Washington Corrections CenterUS 101 near Shelton 01984-01-011984current
SR 103 19.9732.14 US 101 in SeaviewLeadbetter Point State Park 01964-01-011964current
SR 104 31.7551.10 US 101 near Discovery BaySR 522 in Lake Forest Park 01964-01-011964current
SR 105 48.5778.17 US 101 in RaymondUS 101 in Aberdeen 01964-01-011964current
SR 106 20.0932.33 US 101 in SkokomishSR 3 near Belfair 01964-01-011964current
SR 107 7.9312.76 US 101 near CosmopolisUS 12 in Montesano 01964-01-011964current
SR 108 11.9619.25 SR 8 in McClearyUS 101 in Kamilche 01964-01-011964current
SR 109 40.5065.18 US 101 in HoquiamQuinault Street in Taholah 01964-01-011964current
SR 110 11.1017.86 Olympic National Park near La PushUS 101 in Forks 01991-01-011991current
SR 110 SR 11 in BellinghamI-5 in Bellingham 01967-01-01196701975-01-011975[3] Replaced by SR 11
SR 111 Hurricane Ridge in Olympic National ParkUS 101 in Port Angeles 01964-01-01196401971-01-011971[3]
SR 112 61.3198.67 Makah Indian Reservation near Neah BayUS 101 near Port Angeles 01964-01-011964current
SR 113 9.9816.06 US 101 in SapphoSR 112 near Clallam Bay 01991-01-011991current
SR 113 US 101 at Discovery BaySR 525 near Coupeville 01964-01-01196401973-01-011973[3] Replaced by SR 20
SR 115 2.283.67 Point Brown Avenue in Ocean ShoresSR 109 01973-01-011973current
SR 116 9.8315.82 SR 19 in IrondaleFort Flagler State Park 01991-01-011991current
SR 117 1.402.25 US 101 in Port AngelesMarine Drive in Port Angeles 01991-01-011991current
SR 119 10.9317.59 US 101 in HoodsportFH 24 near Lake Cushman 01991-01-011991current
SR 120 US 830 in WashougalUS 830 in Prindle 01964-01-01196401967-01-011967 Replaced by SR 140
SR 121 7.6712.34 I-5 near MaytownI-5 near Tumwater 01967-01-011967current
SR 121 US 830 in BingenFR 24 near Trout Lake 01964-01-01196401967-01-011967 Replaced by SR 141
SR 122 7.8812.68 US 12 in Silver CreekUS 12 in Mossyrock 01991-01-011991current
SR 122 US 830 in LyleUS 97 in Goldendale 01964-01-01196401967-01-011967 Replaced by SR 142
SR 123 16.3626.33 US 12 near PackwoodSR 410 near Mount Rainier 01967-01-011967current
SR 124 44.7271.97 US 12 in BurbankUS 12 in Waitsburg 01964-01-011964current
SR 125 23.6538.06 OR 11 near Walla WallaSR 124 near Prescott 01964-01-011964current
SR 126 US 12 near DaytonUS 12 near Pomeroy 01964-01-01196401991-01-011991[3]
SR 127 27.0543.53 US 12 near PomeroySR 26 at Dusty 01970-01-011970current
SR 128 2.243.60 US 12 in ClarkstonID 128 near Clarkston 01964-01-011964current
SR 129 42.5568.48 OR 3 near AnatoneUS 12 in Clarkston 01964-01-011964current
SR 131 2.073.33 FR 25 near RandleUS 12 in Randle 01991-01-011991current
SR 131 US 10/US 97 near EllensburgUS 97 near Virden 01964-01-01196401975-01-011975[3] Replaced by US 97
SR 140 SR 14 in WashougalSR 14 in Prindle 01967-01-01196701991-01-011991[3]
SR 141 29.2547.07 SR 14 in BingenFR 24 near Trout Lake 01967-01-011967current
SR 141 SR 14 near RiffeSR 7 in Morton 01964-01-01196401967-01-011967
SR 142 35.2456.71 SR 14 in LyleUS 97 in Goldendale 01967-01-011967current
SR 143 SR 14 near PackwoodUS 410 at Cayuse Pass 01964-01-01196401967-01-011967 Replaced by SR 123
SR 143 SR 14 in PlymouthUmatilla Bridge 01973-01-01197301985-01-011985[3] Replaced by I-82
SR 150 11.7618.93 Wapato Point Parkway in MansonUS 97 near Chelan Falls 01964-01-011964current
SR 151 US 2 in OrondoUS 97 near Chelan 01964-01-01196401987-01-011987[3] Replaced by US 97
SR 153 30.7849.54 US 97 near PaterosSR 20 near Twisp 01964-01-011964current
SR 155 78.35126.09 US 2 near Coulee CityUS 97/SR 20 in Omak 01964-01-011964current
SR 160 7.4712.02 SR 16 in Port OrchardFauntleroy ferry terminal in Seattle 01964-01-011964current
SR 161 36.2558.34 SR 7 near EatonvilleSR 18 in Federal Way 01964-01-011964current
SR 162 17.3727.95 SR 410 in SumnerSR 165 near Buckley 01964-01-011964current
SR 163 3.375.42 SR 16 in TacomaTahlequah ferry terminal in Vashon 01991-01-011991current
SR 163 US 410 in SumnerSR 167 in Auburn 01964-01-01196401969-01-011969 Replaced by SR 167
SR 164 14.8223.85 SR 18 in AuburnSR 410 in Enumclaw 01969-01-011969current
SR 165 21.1834.09 Mowich Lake Road near Mowich LakeSR 410 in Buckley 01964-01-011964current
SR 166 5.138.26 SR 16 near Port OrchardWhitter Avenue in Port Orchard 01993-01-011993current
SR 167 28.6046.03 I-5 in TacomaSR 900 in Renton 01964-01-011964current
SR 168 SR 410 near GreenwaterSR 410 near Cliffdell proposed
SR 169 25.2640.65 SR 164 in EnumclawSR 900 in Renton 01964-01-011964current
SR 170 3.665.89 SR 17 near WardenSouth Main Street in Warden 01970-01-011970current
SR 170 Ringold River Road near Basin CitySR 17 near Mesa 01965-01-01196501967-01-011967
SR 171 3.796.10 I-90 in Moses LakeSR 17 in Moses Lake 01964-01-011964current
SR 172 35.0156.34 US 2 at FarmerSR 17 near Mansfield 01964-01-011964current
SR 173 11.8619.09 SR 17 in BridgeportUS 97 in Brewster 01964-01-011964current
SR 174 40.6665.44 SR 17 in LeahySR 21 near Wilbur 01964-01-011964current
SR 181 6.059.74 SR 516 in KentI-405 in Tukwila 01964-01-011964current
SR 193 2.584.15 SR 128 near ClarkstonWawawai Road near Clarkston 01964-01-011964current
SR 194 21.0133.81 Almota Road in AlmotaUS 195 near Pullman 01991-01-011991current
SR 202 30.5849.21 SR 522 in WoodinvilleI-90 in North Bend 01970-01-011970current
SR 202 SR 522 near BothellUS 2 in Monroe 01964-01-01196401970-01-011970 Replaced by SR 522
SR 203 24.2639.04 SR 202 in Fall CityUS 2 in Monroe 01970-01-011970current
SR 204 2.383.83 US 2 near EverettSR 9 in Lake Stevens 01964-01-011964current
SR 206 15.3024.62 US 2 near MeadMount Spokane State Park 01964-01-011964current
SR 207 4.387.05 US 2 at Coles CornerLake Wenatchee State Park 01964-01-011964current
SR 209 US 2 near LeavenworthSR 209 in Lake Wenatchee State Park 01964-01-01196401991-01-011991[3]
SR 211 15.1824.43 US 2 near Diamond LakeSR 20 in Usk 01975-01-011975current
SR 213 0.350.56 US 97 near MalottFirst Avenue in Malott 02008-01-012008current
SR 215 6.2410.04 SR 20 in OkanoganUS 97/SR 20 in Omak 01973-01-011973current
SR 220 27.4244.13 Fort Simcoe State ParkSR 22 in Toppenish 01964-01-01196401991-01-011991[3]
SR 221 25.9541.76 SR 14 in PatersonSR 22 in Prosser 01964-01-011964current
SR 223 3.806.12 SR 22 near ToppenishI-82/US 12 in Granger 01967-01-011967current
SR 224 10.1516.33 I-82/US 12 in Benton CitySR 240 in Richland 01965-01-011965current
SR 225 11.3318.23 SR 224 in KionaSR 240 at Horn Rapids Dam 01991-01-011991current
SR 230 I-90/US 395 in RitzvilleSR 23 in Ewan proposed
SR 231 74.97120.65 SR 23 near SpragueUS 395 near Chewelah 01964-01-011964current
SR 232 SR 231 near ValleyUS 395 near Valley 01967-01-01196701991-01-011991[3]
SR 237 SR 20 in FredoniaSR 11 near Edison 01975-01-01197501991-01-011991[3]
SR 240 41.3166.48 SR 24 near Hanford ReservationUS 395 in Kennewick 01964-01-011964current
SR 241 25.1840.52 SR 22 in MabtonSR 24 near Hanford Reservation 01967-01-011967current
SR 243 28.2345.43 SR 24 near Desert AireSR 26 near Vantage 01964-01-011964current
SR 251 SR 25 in NorthportBC Hwy 22A at the Canada–US border 01964-01-01196401983-01-011983[3]
SR 260 37.9861.12 SR 17 near ConnellSR 26/SR 261 in Washtucna 01964-01-011964current
SR 261 62.71100.92 US 12 near StarbuckI-90/US 395 in Ritzville 01964-01-011964current
SR 262 24.2238.98 SR 26 near OthelloSR 17 near Warden 01991-01-011991current
SR 263 9.2414.87 Port of WindustSR 260 in Kahlotus 01991-01-011991current
SR 270 9.8915.92 US 195 in PullmanID 8 near Moscow 01964-01-011964current
SR 271 8.4813.65 SR 27 near OakesdaleUS 195 in Rosalia 01964-01-011964current
SR 272 19.2230.93 US 195 in ColfaxID 6 near Palouse 01964-01-011964current
SR 274 1.923.09 SR 27 in TekoaID 60 near Tekoa 01964-01-011964current
SR 276 US 195 near PullmanSR 270 near Pullman 01973-01-01197302016-01-012016[3] Never built
SR 278 5.508.85 SR 27 in RockfordID 58 near Rockford 01991-01-011991current
SR 281 10.5516.98 I-90 near GeorgeSR 28 in Quincy 01964-01-011964current
SR 282 4.927.92 SR 28 in EphrataSR 17 near Ephrata 01964-01-011964current
SR 283 14.8623.91 SR 281 Spur near GeorgeSR 28 near Ephrata 01964-01-011964current
SR 285 5.048.11 SR 28 in East WenatcheeUS 2/US 97 in Sunnyslope 01977-01-011977current
SR 290 18.3129.47 I-90 in SpokaneID 53 at State Line 01964-01-011964current
SR 291 33.0953.25 US 2/US 395 in SpokaneSR 231 near Ford 01964-01-011964current
SR 292 5.919.51 SR 231 in SpringdaleUS 395 in Loon Lake 01964-01-011964current
SR 294 US 395 in ColvilleSR 31 in Tiger 01964-01-01196401973-01-011973[3] Replaced by SR 20
SR 300 3.355.39 Belfair State ParkSR 3 in Belfair 01964-01-011964current
SR 302 16.8727.15 SR 3 in AllynSR 16 in Gig Harbor 01964-01-011964current
SR 303 9.2714.92 SR 304 in BremertonSR 3 in Silverdale 01964-01-011964current
SR 304 9.2714.92 SR 3 in Navy Yard CityColman Dock ferry terminal in Seattle 01964-01-011964current Deleted between 1991 and 1994[3]
SR 305 13.5021.73 Colman Dock ferry terminal in SeattleSR 3 in Poulsbo 01964-01-011964current
SR 306 SR 303 in BremertonIllahee State Park 01964-01-01196401993-01-011993[3]
SR 307 5.258.45 SR 305 in PoulsboSR 104 near Kingston 01991-01-011991current
SR 308 3.425.50 SR 3 in BangorNaval Undersea Warfare Center in Keyport 01971-01-011971current
SR 310 1.842.96 SR 3 in BremertonSR 304 in Bremerton 01991-01-011991current
SR 311 US 2 near Diamond LakeSR 20 in Usk 01964-01-01196401975-01-011975[3] Replaced by SR 211
SR 339 Vashon ferry terminalColman Dock ferry terminal in Seattle 01994-01-011994current Passenger-only ferry route
SR 397 22.3135.90 I-82/US 395 near FinleyI-182/US 12/US 395 in Pasco 01991-01-011991current
SR 401 12.1319.52 US 101 in MeglerSR 4 in Naselle 01964-01-011964current
SR 402 SR 4 in Grays RiverSR 6 near Pe Ell 01964-01-01196401971-01-011971[3] Never built proposal
SR 403 AltoonaSR 4 in Rosburg 01964-01-01196401991-01-011991[3]
SR 407 SR 4 in CathlametElochoman State Forest 01964-01-01196401991-01-011991[3]
SR 409 3.846.18 Wahkiakum County ferry terminal on Puget IslandSR 4 in Cathlamet 01964-01-011964current
SR 410 107.44172.91 SR 167 in SumnerUS 12 in Naches 01967-01-011967current
SR 411 13.4821.69 SR 432 in LongviewI-5/SR 504 in Castle Rock 01964-01-011964current
SR 431 SR 4 in KelsoI-5 in Kelso 01967-01-01196701991-01-011991[3]
SR 432 10.3216.61 SR 4 in West LongviewI-5 in Kelso 01967-01-011967current
SR 433 0.941.51 Lewis and Clark BridgeSR 432 in Longview 01967-01-011967current
SR 500 22.6436.44 I-5 in VancouverSR 14 in Camas 01964-01-011964current
SR 501 12.7020.44 I-5 in VancouverI-5 in Ridgefield 01964-01-011964current Divided into two sections
SR 502 6.129.85 I-5 near Mount VistaSR 503 in Battle Ground 01964-01-011964current
SR 503 54.1187.08 SR 500 in OrchardsI-5 in Woodland 01964-01-011964current
SR 504 51.7683.30 I-5/SR 411 in Castle RockMount St. Helens National Volcanic Monument 01964-01-011964current
SR 505 19.2931.04 Kerron Street in WinlockSR 504 near Toutle 01964-01-011964current
SR 506 11.5318.56 2nd Street in RyderwoodI-5 near Toledo 01964-01-011964current
SR 507 43.8870.62 I-5/US 12 in CentraliaSR 7 in Spanaway 01964-01-011964current
SR 508 32.8452.85 I-5/US 12 in NapavineSR 7 in Morton 01964-01-011964current
SR 509 35.1756.60 I-705 in TacomaSR 99 in Seattle 01964-01-011964current
SR 510 13.1021.08 SR 507 in YelmI-5 in Lacey 01964-01-011964current
SR 512 12.0619.41 I-5 in LakewoodSR 161/SR 167 in Puyallup 01964-01-011964current
SR 513 3.355.39 SR 520 in SeattleMagnuson Park in Seattle 01964-01-011964current
SR 514 I-5 in FifeSR 161 in Edgewood 01964-01-01196401991-01-011991[3]
SR 515 7.8612.65 SR 516 in KentSR 900 in Renton 01964-01-011964current
SR 516 16.4926.54 SR 509 in Des MoinesSR 169 in Maple Valley 01964-01-011964current
SR 518 3.425.50 SR 509 in BurienI-5/I-405 in Tukwila 01964-01-011964current
SR 519 1.141.83 I-90 in SeattleColman Dock ferry terminal in Seattle 01991-01-011991current
SR 520 12.8220.63 I-5 in SeattleSR 202 in Redmond 01964-01-011964current
SR 522 24.6439.65 I-5 in SeattleUS 2 in Monroe 01964-01-011964current
SR 523 2.453.94 SR 99 in Seattle/ShorelineSR 522 in Lake Forest Park/Shoreline 01991-01-011991current
SR 524 14.6823.63 SR 104 in EdmondsSR 522 in Maltby 01964-01-011964current
SR 525 30.6849.37 I-5/I-405 in LynnwoodSR 20 near Coupeville 01964-01-011964current
SR 526 4.527.27 SR 525 in MukilteoI-5/SR 99/SR 527 in Everett 01964-01-011964current
SR 527 9.2914.95 I-405 in BothellI-5/SR 99/SR 526 in Everett 01964-01-011964current
SR 528 3.465.57 I-5 in MarysvilleSR 9 in Marysville 01964-01-011964current
SR 529 7.8812.68 I-5 in EverettSR 528 in Marysville 01971-01-011971current
SR 530 50.4581.19 I-5 near ArlingtonSR 20 in Rockport 01964-01-011964current
SR 531 9.8815.90 Wenberg County Park near Lake GoodwinSR 9 in Arlington 01991-01-011991current
SR 532 10.0916.24 Sunrise Boulevard on Camano IslandI-5 near Stanwood 01964-01-011964current
SR 534 5.088.18 I-5 in ConwaySR 9 in Lake McMurray 01964-01-011964current
SR 536 5.388.66 SR 20 near Mount VernonI-5 in Mount Vernon 01964-01-011964current
SR 537 SR 536 in FredoniaSR 11 near Edison 01964-01-01196401975-01-011975[3] Replaced by SR 237
SR 538 3.615.81 I-5 in Mount VernonSR 9 near Big Lake 01964-01-011964current
SR 539 15.1824.43 I-5 in BellinghamBC Hwy 13 at Canada–US border near Lynden 01964-01-011964current
SR 540 Lummi Indian ReservationI-5 in Ferndale 01964-01-01196401984-01-011984[3]
SR 542 57.2992.20 I-5 in BellinghamMount Baker Ski Area 01964-01-011964current
SR 543 1.091.75 I-5 in BlaineBC Hwy 15 at Canada–US border in Blaine 01964-01-011964current
SR 544 8.9414.39 SR 539 near LyndenSR 9 in Nooksack 01964-01-011964current
SR 546 8.0212.91 SR 539 near LyndenSR 9 near Sumas 01964-01-011964current
SR 547 10.7217.25 SR 542 in KendallSR 9 in Sumas 01984-01-011984current
SR 548 13.8522.29 I-5 near FerndaleI-5 in Blaine 01991-01-011991current
SR 599 1.752.82 I-5 in TukwilaSR 99 in Tukwila 01971-01-011971current
SR 603 I-5 near WinlockSR 6 near Chehalis 01964-01-01196401991-01-011991[3] Replaced by SR 505
SR 702 9.3215.00 SR 507 in McKennaSR 7 near Eatonville 01964-01-011964current
SR 704 0.631.01 Spanaway Loop Road in SpanawaySR 7 in Spanaway 02002-01-012002current
SR 706 13.6421.95 SR 7 in ElbeLongmire in Mount Rainier National Park 01964-01-011964current
SR 801 SR 8 in RochesterI-5 in Maytown 01964-01-01196401967-01-011967 Replaced by SR 121
SR 821 25.2140.57 I-82/US 97 in SelahI-82/US 97 near Ellensburg 01973-01-011973current
SR 823 5.568.95 I-82/US 97 in SelahSR 821 in Selah 01984-01-011984current
SR 831 US 830 in KelsoI-5 in Kelso 01964-01-01196401967-01-011967 Replaced by SR 431
SR 832 US 830 in West LongviewI-5 in Kelso 01964-01-01196401967-01-011967 Replaced by SR 432
SR 833 Lewis and Clark BridgeSR 832 in Longview 01964-01-01196401967-01-011967 Replaced by SR 433
SR 900 16.2026.07 I-5 in TukwilaI-90 in Issaquah 01964-01-011964current
SR 901 I-90 in IssaquahSR 202 in Redmond 01964-01-01196401991-01-011991[3]
SR 902 12.3619.89 I-90/US 395 near Medical LakeI-90/US 395 near Medical Lake 01964-01-011964current
SR 903 10.0616.19 SR 970 near Cle ElumWenatchee National Forest near Lake Cle Elum 01964-01-011964current
SR 904 16.9627.29 I-90/US 395 in TylerI-90/US 395 in Four Lakes 01964-01-011964current
SR 906 2.654.26 I-90 at Snoqualmie PassI-90 in Hyak 01967-01-011967current
SR 908 I-405 in KirklandSR 202 in Redmond 01971-01-01197102010-01-012010[3]
SR 920 SR 901 in RedmondSR 202 in Redmond 01975-01-01197501985-01-011985[3] Replaced by SR 520
SR 970 10.3116.59 I-90 in Cle ElumUS 97 in Virden 01975-01-011975current
SR 971 15.0224.17 US 97 Alt near EntiatUS 97 Alt near Chelan 01991-01-011991current
  •       Former
  •       Proposed and unbuilt

Special routes

WSDOT does not maintain business routes, which are instead created and signed by local jurisdictions.[4]

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

SR 9 Spur
0.240.39 SR 9 in SumasCanada–US border in Sumas

SR 14 Spur
0.390.63 SR 14 in MaryhillUS 97 in Maryhill

SR 14 Bus.
SR 14 in CamasSR 14 near Washougal

SR 16 Alt.
0.681.09 Serves Tacoma Narrows Bridge toll plaza 02007-01-012007current

SR 16 Spur
0.390.63 SR 16 in GorstSR 3 in Gorst 01988-01-011988current

SR 20 Spur
7.7812.52 SR 20 near AnacortesSan Juan Islands ferry

SR 20 Bus.
01964-01-01196401973-01-011973 Replaced by SR 215

SR 26 Spur
0.070.11 SR 26 in ColfaxUS 195 in Colfax

SR 28 Spur
0.761.22 SR 285 in East WenatcheeSR 28 in East Wenatchee

SR 92 Spur
0.080.13 SR 92 in Granite FallsGranite Falls

SR 100 Spur
0.080.13 SR 100 near Fort CanbyCape Disappointment State Park 01991-01-011991current

SR 104 Spur
0.340.55 SR 99 in Edmonds/ShorelineSR 104 in Edmonds/Shoreline

SR 105 Spur
0.150.24 SR 105 in AberdeenUS 101 in Aberdeen

SR 105 Spur
4.026.47 SR 105 at Twin Harbors State ParkWesthaven Drive in Westport

SR 108 Bus.
SR 108 near McClearySR 108 in McCleary

SR 109 Spur
1.822.93 SR 109 in HoquiamUS 101 in Hoquiam

SR 110 Spur
2.674.30 Olympic National Park boundary near MoraSR 110 near Mora

SR 125 Spur
0.731.17 US 12 in Walla WallaSR 125 in Walla Walla

SR 129 Spur
0.250.40 SR 129 in ClarkstonUS 12 in Clarkston

SR 141 Spur
2.163.48 SR 14 in UnderwoodSR 141 near White Salmon

SR 151 Spur
SR 151 near ChelanUS 97 near Chelan 01964-01-01196401987-01-011987 Replaced by US 97

SR 155 Spur
0.370.60 SR 215 in OmakSR 155 in Omak

SR 174 Spur
1.372.20 SR 174 near Grand CouleeCrown Point Vista at Steamboat Rock State Park 01964-01-011964current

SR 174 Spur
0.090.14 SR 17 in LeahySR 174 in Leahy 02009-01-012009current

SR 240 Bus.
I-182/US 12/SR 240 in RichlandSR 240 in Richland

SR 281 Spur
1.692.72 I-90/SR 283 near GeorgeSR 281 near George

SR 302 Spur
1.282.06 SR 302 in PurdySR 16 near Purdy

SR 503 Spur
8.4213.55 SR 503 near YaleSwift Reservoir in Skamania County

SR 504 Spur
0.871.40 SR 504 near Kid ValleyToutle River Sediment Retention Structure

SR 510 Spur
1.171.88 SR 510 in YelmCullens Road in Yelm 02010-01-012010current

SR 524 Spur
0.701.13 SR 104 in EdmondsSR 524 in Edmonds

SR 524 Spur
0.500.80 I-5 in LynnwoodSR 524 in Lynnwood

SR 525 Spur
0.861.38 SR 525 in MukilteoSR 526 in Mukilteo 02001-01-012001current

SR 529 Spur
0.200.32 SR 529 in EverettI-5 in Everett

SR 903 Spur
0.330.53 SR 903 in Cle ElumSR 970 near Cle Elum

SR 906 Spur
0.430.69 SR 906 in HyakWSDOT Maintenance Office in Hyak
  •       Former

References

  1. Multimodal Planning Division (January 3, 2018). State Highway Log Planning Report 2017, SR 2 to SR 971 (PDF) (Report). Washington State Department of Transportation. Retrieved July 5, 2018.
  2. "Chapter 47.17: State Highway Routes". Revised Code of Washington. Washington State Legislature. Retrieved November 23, 2022.
  3. "Chapter 47.17 RCW Dispositions: State Highway Routes". Revised Code of Washington. Washington State Legislature. Retrieved July 5, 2018.
  4. "WSDOT Traffic Manual, Chapter 2: Signs" (PDF). Washington State Department of Transportation. May 2021. p. 2-52. Retrieved September 10, 2021.
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