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This is an old revision of this page, as edited by NE2 (talk | contribs) at 22:29, 11 March 2008 (→1970-present). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

1893-1921

1893
  • 126: Glacier to Marcus
1895
  • 168: Marcus to Marblemount; Blanchard to Whatcom County line
1897
1899
1905
  • 7: State Roads 1-10
    • (1) near Mud Mountain Dam to county road on Natches River
    • (2) Newport to Orient
    • (3) near Plain to near Darrington
    • (4) Columbia River south of Keller to Loomis
    • (5) near Salkum to near Yakima
    • (6) north of the Whatcom County line to Blanchard
    • (7) North Bend to Easton
    • (8) Lyle to Washougal
    • (9) Montesano to Port Angeles
    • (10) Wenatchee to Riverside
  • 174: State Roads 11-12
    • (11) Marblemount to Mill Creek
    • (12) Pateros to Barron
1907
1909
  • 92: extended SR 4 and SR 7 and added SR 18
    • (4) Columbia River south to Wilbur
    • (7) North Bend west to Seattle and Easton east to Idaho
    • (18) Alder-Kosmos Road, Alder to near Kosmos
1913
  • 96: extended SR 8 west from Washougal to Vancouver and northeast from Goldendale to Mabton
1915
  • 29: located the Sunset Highway via Ellensburg between Snoqualmie Pass and Wenatchee
  • 53: appropriations bill; added a secondary highway (SR 23) from Spokane to Newport
1917
1919

[below here the pages are missing so I had to use other sources]

    • Extended the Chelan and Okanogan Highway (primary) (note no "Lake") south to Quincy over the former Sunset Highway; may have moved it to the east side of the river south of Chelan
    • Renamed SR 8 the North Bank Highway (primary) and extended east from Mabton to Grandview
    • Renamed SR 19 the Ocean Beach Highway (primary) and added the former National Park Highway west of Chehalis to it
    • Pend Oreille Highway became primary, and extended north to Canada????
    • Repealed old laws, getting rid of SR 7 (all Sunset Highway), SR 8 (all North Bank Highway), SR 10 (all Chelan and Okanogan Highway), SR 14 (all Olympic Highway), SR 15, SR 16, SR 17, SR 19 (all Ocean Beach Highway)
1921

1923-1935

1923
  • 185: big restructuring
    • SR 1 Pacific Highway (primary), Canada to Oregon (realigned between Seattle and Tacoma, with the old route north of Auburn going to SR 5 and SR 2)
    • SR 2 Sunset Highway (primary), Seattle to Idaho (extended over SR 1 from Renton and branch transferred to SR 3)
    • SR 3 Inland Empire Highway (primary), Canada to Virden (extended west from Ellensburg on former SR 2)
      • Branches: Dodge to Asotin (Eastern Route Division 1 extended south from Clarkston), Wallula to Oregon (new), Walla Walla to Oregon (new)
    • SR 4 Tonasket-San Poil Highway (secondary), Wilbur to Tonasket (truncated from Loomis and branch to Canada deleted)
    • SR 5 National Park Highway System (primary), Tacoma to Mount Rainier, Elbe to near Chehalis, Kosmos to Renton, Cayuse Pass to Yakima (absorbed Naches Pass Highway, SR 5, and SR 18; deleted Riffe-Morton; realigned the east end of old SR 5; extended to Renton from Auburn over old SR 1)
    • SR 6 Pend O'Reille Highway (primary), Spokane to Canada (no change)
    • SR 7 North Central Highway (primary), Ellensburg to Davenport (no change)
    • SR 8 North Bank Highway (primary), Vancouver to Buena (moved the east end)
    • SR 9 Olympic Highway (primary), Olympia to Olympia (no change), Discovery Bay to Port Townsend (new)
    • SR 10 Chelan-Okanogan State Highway (primary), Quincy to Canada (no change)
    • SR 11 Central Washington Highway (primary), Pasco to west of Spokane (no change)
    • SR 12 Ocean Beach Highway (primary), Chehalis to Astoria Ferry (extended from Holman to Astoria Ferry), Johnson's Landing to Kelso (no change), branch to Cathlamet (new)
    • SR 13 Willapa-Grays Harbor Highway (primary), Raymond to east of Aberdeen (no change)
    • SR 14 Navy Yard Highway (primary), north of Shelton to Charleston (no change), branch to Gig Harbor (new), Port Orchard to Harper (new)
    • Methow Valley Highway (secondary), Pateros to Barron (former Roosevelt Highway, truncated from Marblemount)
    • Eastern Route of the Inland Empire Highway (primary), Idaho to Rosalia (no change)
    • Routes that were not redefined but remained were SR 21 Charleston-Port Gamble/Kingston, SR 22 Davenport-Meyers Falls, and Cascade Wagon Road Marblemount-Twisp (all secondary).
1925
  • 26:
    • SR 4, Methow Valley Highway, and SR 22 Kettle Falls-Davenport became primary, leaving only SR 21 and Cascade Wagon Road secondary
    • SR 5 branch, Auburn to Tacoma
    • SR 9 branch, Elma to Grand Mound
    • SR 3 branch, Colfax to Pullman
    • SR 2 branch, Fall City to Bothell
    • SR 1 branch, Bellingham to Austin Pass
1929
1931
  • 29: branches of SR 5 added, Enumclaw to Mount Rainier, Auburn to SR 1, Naches to White Pass
  • 30: north end of SR 13 redescribed
  • 31: branch of SR 10 added, Brewster to SR 2 west of Coulee City
  • 35: created SR 15 Stevens Highway, Peshastin to Everett, and the Washington Loop Highway via SR 2, SR 3 to Clarkston, then Inland Empire Highway Eastern Route to Pullman, SR 3, SR 2, SR 15 to Everett
  • 36: branch of SR 1 added, Burlington to Bellingham via Lake Samish
  • 37: extended SR 22 north from Kettle Falls to Canada
  • 38: branch of SR 1 added, Duwamish to SR 2
1933
  • 41
  • 56
1933 ex. sess.
  • 28

1937-1969

1937
  • 190: defined new system of PSHes
    • PSH 1 Pacific Highway: Canada to Oregon (no change), Bellingham to Austin Pass (no change), Bellingham to Mt. Vernon (no change), Mt. Vernon to Anacortes (new), Everett south (new); Duwamish to SR 2 deleted
    • PSH 2 Sunset Highway: Seattle to Idaho (no change), Seattle to west of Snoqualmie Pass (extended from Bothell to Seattle), Almira to Grand Coulee Dam (new)
    • PSH 3 Inland Empire Highway: east of Cle Elum to Canada (no change), Dodge to Idaho (no change), Clarkston to Oregon (extended from Asotin to Oregon), Wallula to Oregon (no change), Walla Walla to Oregon (no change), Rosalia to Idaho (was Inland Empire Highway Eastern Route; second route to the state line added), Colfax to Idaho (extended from Pullman to Idaho), Palouse to Idaho (new)
    • PSH 4 Tonasket-San Poil Highway: Wilbur to Tonasket (no change)
    • PSH 5 National Park Highway: Seattle to Yakima (extended from Renton to Seattle), south of Chehalis to northwest of Yakima (no change), Tacoma to Mount Rainier (no change), Elbe to Komsos (no change), Enumclaw to Mount Rainier (no change), Auburn to Tacoma (no change), Auburn to PSH 1 (no change), west of Chinook Pass to west of White Pass (no change), Sumner to Buckley (new), Enumclaw to Renton (new)
    • PSH 6 Pend Oreille Highway: north of Spokane to Canada (no change), Newport to Idaho (new)
    • PSH 7 North Central Highway: Ellensburg to Davenport (no change), Soap Lake to west of Coulee City (new)
    • PSH 8 Evergreen Highway: Vancouver to southeast of Yakima (no change), Maryhill to Maryhill Ferry (new)
    • PSH 9 Olympic Highway: Olympia to west of Olympia (no change), Discovery Bay to Port Townsend (no change), Elma to north of Centralia (no change), Montesano to north of Artic (new)
    • PSH 10 Chelan-Okanogan Highway: Quincy to east of Wenatchee (no change), northwest of Wenatchee to Canada (south end changed from Orondo to northwest of Wenatchee; old route became SSH 10D), Brewster to west of Coulee City (no change)
    • PSH 11 Columbia Basin Highway: Pasco to west of Spokane (no change)
    • PSH 12 Ocean Beach Highway: Chehalis to Kelso (no change), Johnson's Landing to Megler (no change), northeast of Ilwaco to east of Ilwaco (new), Longview to south of Kelso (new); branch to Cathlamet deleted (if not earlier)
    • PSH 13 Willapa-Grays Harbor Highway: Raymond to Aberdeen (no change)
    • PSH 14 Navy Yard Highway: north of Shelton to Gig Harbor (no change), Port Orchard to Harper (no change); west of Port Orchard to Bremerton became part of PSH 21
    • PSH 15 Stevens Highway: Peshastin to Everett (no change)
    • PSH 16 Methow Valley Highway: Pateros to Barron (no change)
    • PSH 17 Cascade Wagon Road: Twisp to Marblemount (no change), Stehekin northwest (no change)
    • PSH 18: Burke to Ritzville (new)
    • PSH 21 Kitsap Peninsula Highway: Kingston to west of Port Orchard (extended from Bremerton to west of Port Orchard over former SR 14, and realigned to absorb the Port Gamble branch), Keyport west (no change)
    • PSH 22 Coulee Reservoir Highway: Davenport to Kettle Falls (no change), east of Kettle Falls to Canada (north end moved west; old route became SSH 22A)
  • 207: defined new system of SSHes; the only ones that had been SRs were SSH 10D and SSH 22A, created by realignments
1939
  • 5:
    • PSH 2: mainline moved to Lake Washington Bridge; old route via Renton moved to a branch
    • PSH 14: extended south replacing SSH 14C and over the Tacoma Narrows Bridge
1941
  • 136: redescribed PSH 11
1943
  • 147: deleted branch of SSH 12C to Eden; added SSH 12F, Cathlamet to Columbia River
  • 212: moved the west end of the branch of SSH 1C from SSH 1C north of Whitney to PSH 1 east of Whitney; moved SSH 1N to Tenino to Centralia; no substantive changes to SSH 5
  • 239: branch of PSH 5 over Naches Pass; branch of PSH 8 from Maryhill to Kennewick; branch of PSH 15 from Monroe to Bothell; branch of PSH 18 from Ritzville to Colfax; made the change to SSH 1C from c 212 but not the change to SSH 1N (but it appears that c 239 actually took effect earlier); truncated SSH 2A from Everett to Bothell; deleted SSH 2C; truncated SSH 8E from Maryhill to Paterson (became part of PSH 8); truncated SSH 11C from Steptoe to Ewan (became part of PSH 18)
1945
  • 248: added SSH 1Y, East Stanwood to McEachern's Corner
1947
  • 232: SSH 9C changed from a loop to a spur from US 101 in Hoquiam to the Quinault Reservation; east end of SSH 9E changed from Port Ludlow to South Point
1949
  • 225:
    • PSH 16 truncated from Barron to Mazama; branch added from Twisp to Okanogan
    • PSH 17 changed to Marblemount-Mazama
    • PSH 2 branch, North Bend to Milton
    • PSH 14 truncated to Gig Harbor; branch, Colby to Manchester
    • PSH 21 south end redescribed; branch to Lofall added
    • SSH 21A south end changed from Port Blakely to Winslow
    • PSH 7 branch, George to Ephrata
1951
  • 8: PSH 14 extended back into Tacoma and to PSH 1
  • 273:
    • s2: PSH 10 branch moved to cross the Columbia River at Chief Joseph Dam; old route remained as a new branch, Brewster to Bridgeport
    • s3: SSH 1A realigned between Lynden and Nooksack
    • s4: SSH 2H or 2I (what changed?)
    • s5: SSH 3D west end changed to Burbank
    • s6: SSH 7C created, Vantage to PSH 11
    • s7: SSH 8D branch to Underwood
    • s8: SSH 9C extended to Queets
    • s9: SSH 10B west end changed to Leahy; extended west and south to Farmer
    • s10: SSH 11G created, Eltopia to Soap Lake, branch to Ephrata
    • s11: SSH 21B branch to Illahee State Park?
1953
  • 59: SSH 11A relocation
  • 280:
    • s1: PSH 8 branch, Paterson to Prosser (ex-SSH 8E)
    • s2: SSH 1A deleted, Blaine to Lynden
    • s3: SSH 1F moved to Burlington to Sedro Woolley
    • s4: SSH 1M/1N; doesn't appear to have done anything substantive - maybe it was clarifying that SSH 1N actually had moved in 1943?
    • s5: SSH 1Z created, PSH 1 to Lummi Reservation
    • s6: SSH 2I south end moved to Woldale
    • s7: SSH 3I deleted
    • s8: SSH 3M deleted; SSH 3P created, Kettle Falls to Republic; SSH 3R created, Richland Wye to Hanford Reservation
    • s9: SSH 7B deleted
    • s10: SSH 8E deleted (became PSH 8)
    • s11: SSH 11D created, Four Lakes to Medical Lake
  • 285:
    • s1: PSH 18 branch, Ewan to Sprague (replacing SSH 11C)
    • s2: SSH 11C deleted
1955
  • 383:
    • s2: PSH 2 Grand Coulee branch deleted
    • s3: PSH 10 (what changed?)
    • s4: PSH 21 replaced PSH 14 west of Gorst
    • s5: PSH 14 west of Gorst became PSH 21
    • s7-18: SSH 1 all redescribed; no substantive changes?
    • s20-25: SSH 3 all redescribed; SSH 3R extended from Richland to Kiona
    • s27-32: SSH 5 all redescribed; branch of SSH 5E to Electron deleted; SSH 5N created, Puyallup to Eatonville
    • s33-34: SSH 7 all redescribed; SSH 7E created, Moses Lake to Odessa
    • s36-38: SSH 9 all redescribed; SSH 9A west end moved from Sappho to Neah Bay; SSH 9B deleted; east end of SSH 9E moved to Shine
    • s40-41: SSH 10 all redescribed; SSH 10B branch to Crown Point
    • s42: SSH 14B became part of SSH 14A
1957
  • 172:
    • s2: PSH 1 branch, south of Seattle to north of Seattle via Renton; temporary PSH 1 (until I-5 is complete), south of Seattle to Seattle west of the Duwamish River
    • s3: SSH 1L east of PSH 1 became branch of PSH 1
    • s5: part of SSH 2A became branch of PSH 1
    • s6: west end of SSH 2D truncated to PSH 1 branch
    • s7: SSH 2F or 2G (what changed?)
    • s8: SSH 2H or 2I (what changed?)
    • s9: PSH 8 branch changed from Maryhill Ferry to Biggs Rapids Bridge
    • s10: PSH 14 branch to Point Southworth added?
    • s11: PSH 21 branch to Lofall deleted pending Hool Canal Bridge completion
    • s12: SSH 9E removed provisions
    • s13: PSH 11, allowed a bypass of Cheney as part of I-90
    • s14: SSH 1B branch, Lynden to Sumas
    • s15: SSH 1E extended, Arlington to Darrington
    • s16: SSH 1W extended, Edmonds to Lynnwood
    • s17: SSH 2J created, Bothell to Everett
    • s18: SSH 3B extended, White Swan to Fort Simcoe
    • s19: SSH 3C deleted
    • s20: SSH 3J extended north, Springdale to Chewelah, with a branch Springdale to Loon Lake
    • s21: SSH 7C branch, Vantage to Vernita; main line extended to Washtucna
    • s23: 11B branch, Washtucna to west of Dodge
    • s24: SSH 11D or 11E (what changed?)
    • s25: SSH 11F, 11G, or 11H (what changed?)
    • s26: SSH 12H created, West Kelso to Vader
    • s27: SSH 21C created, Belfair to Belfair State Park
1959
  • 319:
    • s1: PSH 5 branch from Auburn to PSH 1 deleted (had become PSH 2 in 1949)
    • s2: PSH 6 branch extended along state line in Newport
    • s3: PSH 9 east end changed from Olympia to Tumwater
    • s4: SSH 1C branch changed to Fredonia-Burlington (but didn't this happen earlier?) was the branch of SSH 1D to the Keystone ferry added here or in 1955?
    • s5: SSH 1E or 1F (what changed?)
    • s6: SSH 1N extended into Centralia
    • s7: SSH 2D restored west of PSH 1 branch
    • s8: SSH 2M created, Auburn to PSH 1
    • s9: SSH 5H west end corrected from PSH 1 to SSH 1N; SSH 5I north end changed to Lacey
    • s10: SSH 5M became SSH 2M
    • s11: SSH 11D or 11E (what changed?)
    • s12: PSH 16 branch, Okanogan to Malott
    • s13: SSH 1W extended, Lynnwood to Thrashers Corner
    • s14: SSH 3J or 3K (what changed?)
    • s15: SSH 3S created, Spokane to Stevens County
    • s16: SSH 7E extended from Moses Lake southwest
    • s17: SSH 9E included the Hood Canal Bridge; SSH 9F deleted; SSH 9G created, Port Angeles to Olympic National Park
    • s18: SSH 10D branch, Chelan to Chelan Falls
    • s19: SSH 12G created, Grays River to Pe Ell
1961
  • 13: redescribed all routes; were any changes made?
  • ex. sess. 21:
    • s1: PSH 1 branch south from Marysville; branch on Evergreen Point Bridge; branch on Portland bypass
    • s2: PSH 8, north end in Prosser changed from PSH 3 to SSH 3A
    • s3: PSH 16 renamed to North Cross State Highway; replaced PSH 17, SSH 17A, SSH 1F, SSH 1C branch to Fredonia
    • s4: SSH 1C branch became PSH 16
    • s5: SSH 1F became PSH 16
    • s6: PSH 17, SSH 17A became PSH 16
    • s7: PSH 21 branch, Bremerton to ferry
    • s8: SSH 1R extended from the forest boundary to Mt. St. Helens
    • s9: SSH 4C north end corrected from the former PSH 2 branch to SSH 2F at Grand Coulee
    • s10: SSH 8A redescribed; west end moved from PSH 8 to PSH 1
    • s11: SSH 8C deleted
    • s12: SSH 21B extended to Bremerton over the Port Washington Narrows Bridge
    • s13: SSH 3S rerouted in Spokane
    • s14: part of SSH 11A to be deleted once SSH 11C is built; SSH 11C created, Vernita Ferry to Richland
    • s15: SSH 11H created, Tyler to Four Lakes
    • s41: SSH 8E created, Lyle to Goldendale, upon completion of new PSH 8 east of Goldendale
1963
  • 197: SSH 11ABC
  • 240: PSH 6 renamed Newport Highway
  • ex. sess. 3:
    • s1: PSH 10
    • s2: PSH 12 branch, Kelso to PSH 1 - and branch over Longview Bridge?
    • s3: PSH 14
    • s4: PSH 22
    • s5: SSH 1AB
    • s6: SSH 1P east end and SSH 1Q west end moved west from Toledo to PSH 1
    • s7: SSH 1Y (nothing substantive)
    • s8: SSH 2A deleted
    • s9: SSH 2H (nothing substantive)
    • s10: SSH 3J extended south from Long Lake to Reardan
    • s11: SSH 3S (nothing substantive)
    • s12: SSH 5B deleted
    • s13: SSH 8CD
    • s14: SSH 12A (nothing substantive)
    • s15: SSH 15A revised to reflect shortening of SSH 1A overlap
    • s16: SSH 15D (nothing substantive)
    • s17: SSH 3T created, Toppenish to Granger
    • s18: SSH 2D extended south from downtown Kirkland to Evergreen Point Bridge
    • s20: SSH 1T shifted west
    • s21: PSH 1 Evergreen Point branch extended east to PSH 2; Marysville east added
    • s30: SSH 9G to be deleted once national park road is completed
1965
  • ex. sess. 170:
    • s1: SSH 1A south end moved north from Woodinville
    • s2: SSH 7C provision removed
    • s3: SSH 8E provision removed
    • s4: SSH 12AB
    • s5: PSH 1
    • s7: PSH 3
    • s8: PSH 8
    • s9: PSH 12 branch over Longview bridge?
    • s12: PSH 21
    • s28: SSH 3D named part Ice Harbor Drive
1967
  • ex. sess. 145:
    • s2: SSH 1F created, connection in Bellingham
    • s3: SSH 1I moved to new freeway from Mukilteo Boulevard
    • s4: part of PSH 1 to remain
    • s5: SSH 2H east end moved north
    • s6: SSH 2K created, old PSH 2
    • s7: SSH 11A deleted per 1961 provision
    • s8: SSH 11A provision removed
    • s9: part of PSH 5 to remain
    • s10: SSH 11I created, SSH 11G to Warden
    • s11: SSH 16A created, Okanogan to Omak
    • s12: SSH 2E extended east on former PSH 2
    • s14: PSH 5 moved via Morton
    • s15: SSH 5I west end moved
    • s16: SSH 9A east end changed to in or near Port Angeles
    • s17: SSH 5L deleted; SSH 5N extended south
    • s18: SSH 3U created, Valley to PSH 3
    • s19: SSH 3V created, Sunnyside to SSH 11A
1969
  • ex. sess. 281:
    • s5: PSH 2
    • s7: PSH 5
    • s8: SSH 3G created, Colton to Clarkston
    • s9: SSH 10AB
    • s13: part of PSH 1 to remain
    • s57: Auburn to Bothell

1970-present

1970
  • es 51: repealed almost all PSH and SSH; created new SRs
1971
  • es 73
    • s1 SR 10
    • s2 SR 90
    • s3 SR 99
    • s4 SR 110 will become SR 11 once complete
    • s5 SR 112
    • s6 SR 161
    • s7 SR 162 west end moved to freeway
    • s8 SR 169
    • s9 SR 181 truncated to SR 599
    • s10 created SR 182
    • s11 SR 220 extended east to SR 22
    • s12 SR 261
    • s13 SR 281
    • s14 part of SR 303 became SR 308
    • s15 created SR 308
    • s16 SR 513 truncated to SR 520
    • s17 SR 514
    • s18 SR 528 spur replaced by SR 529
    • s19 created SR 529
    • s20 SR 530
    • s21 SR 540
    • s22 SR 543
    • s23 created SR 599
    • s24 SR 901 became SR 908 west of SR 202
    • s25 SR 904
    • s26 SR 906
    • s27 created SR 908
    • s30 repealed SSH 9CD, SR 111, SR 402
1973
  • 60: created SR 115
  • 1es 151
    • s1 SR 16
    • s2 SR 97
    • s3 SR 108
    • s4 SR 124
    • s5 created SR 143
    • s6 created SR 197
    • s7 created SR 276
    • s8 SR 410 became SR 167 west of Sumner
    • s9 created SR 821
    • s13 SR 20 extended west over SR 536, SR 113; extended east over SR 30, SR 294, SR 31
    • s14 part of SR 31 became SR 20
    • s15 part of SR 525 became SR 20
    • s16 part of SR 536 became SR 20 and SR 20N
    • s17 SR 20N created from part of SR 536
    • s18 created SR 213
    • s19 created SR 215
    • s20 repealed SR 30, SR 113, SR 294
1975
  • 63
    • s1 SR 21
    • s2 SR 27 extended south to new US 195
    • s3 SR 97
    • s4 SR 155
    • s5 SR 162 west end moved
    • s6 SR 503
    • s7 SR 903
    • s10 created SR 211
    • s11 created SR 237
    • s12 created SR 970
    • s13 created SR 920, SR 901 to SR 202
    • s14 deleted SR 10 east of Spokane??
    • s15 repealed SR 110, SR 131, SR 311, SR 537
1977
  • es 6: SR 290 spur
  • es 224: created SR 285, Wenatchee to SR 28
  • es 235: SR 906; repealed Auburn-Bothell
1979
  • es 33
    • s1 SR 17 truncated to new US 395
    • s2 SR 26 extended over SR 127
    • s3 SR 82
    • s4 SR 99
    • s5 SR 125
    • s6 part of SR 127 became SR 26
    • s7 SR 143
    • s8 SR 167
    • s9 SR 182
    • s10 SR 195 replaced SR 95
    • s11 SR 197
    • s12 SR 232
    • s13 SR 395
    • s14 SR 509
    • s15 SR 705
    • s16 SR 900
    • s17 repealed SR 95
  • es 192: SR 181 truncated to I-405
  • es 195: SR 27
1982
  • 82: SR 504 named Spirit Lake Memorial Highway
1983
  • 79: SR 21 extended south
  • 131: SR 530 extended to SR 20
  • 180
    • s1 SR 12
    • s2 SR 109 spur added
    • s4 SR 291 extended to SR 231
    • s5 repealed SR 251
1984
  • 7
    • s131 SR 97
    • s132 SR 171
    • s133 SR 193
    • s134 SR 213
    • s135 SR 240
    • s136 SR 501
    • s137 SR 524
    • s138 SR 528
    • s139 SR 906
  • 197
    • s1 SR 102
    • s2 created SR 547
    • s3 created SR 823
    • s5 repealed SR 540
1985
  • 177
    • s1 SR 12
    • s2 SR 14 truncated to Plymouth
    • s3 SR 240
    • s4 SR 395 rerouted via I-82
    • s5 created SR 730
    • s6 repealed SR 143, SR 920
1987
  • 199
    • s1 SR 2
    • s2 SR 8
    • s3 SR 10
    • s4 SR 11
    • s5 SR 16
    • s6 SR 18
    • s7 SR 22
    • s8 SR 23
    • s9 SR 97 replaced SR 151
    • s10 created SR 97A from former SR 97
    • s11 SR 101
    • s12 SR 105
    • s13 SR 150 branch added
    • s14 SR 164
    • s15 SR 174
    • s16 SR 202
    • s17 SR 204
    • s18 SR 206
    • s19 SR 224
    • s20 SR 241
    • s21 SR 261
    • s22 SR 302
    • s23 SR 308
    • s24 SR 410
    • s25 SR 433
    • s26 repealed SR 151
  • 520: SR 161
1990
  • 97: SR 706 named Road to Paradise
  • 108: SR 128 extended to Idaho, partially replacing SR 193
1991
  • 56: SR 90 named American Veterans Memorial Highway
  • 78: SR 501
  • 342
    • s1 created SR 19
    • s2 SR 27 extended north from I-90 to SR 290
    • s3 created SR 96
    • s4 created SR 100
    • s5 SR 103 extended north from Ocean Park to Leadbetter Point
    • s6 created SR 110
    • s7 created SR 113
    • s8 created SR 116
    • s9 created SR 117
    • s10 created SR 119
    • s11 SR 121 moved from Rochester-Maytown to Maytown-Tumwater
    • s12 created SR 122
    • s13 SR 128 truncated from Pomeroy to Clarkston
    • s14 created SR 131
    • s15 SR 160 moved south
    • s16 created SR 163
    • s17 SR 167 truncated from Seattle to Renton
    • s18 SR 181 truncated from Auburn to Kent
    • s19 SR 193 truncated from Colton to Wilma
    • s20 created SR 194
    • s21 SR 207 truncated from Telma to Lake Wenatchee
    • s22 created SR 225
    • s23 SR 241 extended from I-82 to SR 22
    • s24 created SR 262
    • s25 created SR 263
    • s26 created SR 278
    • s27 SR 285 extended from the west end of the bridge to US 2
    • s28 SR 303 north end moved from SR 308 to SR 3; branch over Manette Bridge to SR 304 removed
    • s29 created SR 307
    • s30 created SR 310
    • s31 created SR 397
    • s32 SR 411 south end extended from SR 4 to SR 432, north end truncated from SR 506 to I-5
    • s33 SR 432 rerouted
    • s34 SR 433 truncated to new SR 432
    • s35 SR 503 spur, Yale to county line
    • s36 SR 505 rerouted and extended from I-5 to Winlock over part of SR 603
    • s37 SR 509 deleted between SR 99 and SR 516; removed condition that I-5 to I-705 will remain until I-705 is completed
    • s38 SR 513 truncated from I-5 to Sand Point
    • s39 created SR 519
    • s40 created SR 523
    • s41 SR 524 extended from SR 527 to SR 522; removed the condition about not using existing roads
    • s42 SR 529 rerouted in Everett
    • s43 SR 530 truncated from Conway to Arlington
    • s44 created SR 531
    • s45 created SR 548
    • s46 SR 823 extended from Fasset Avenue to SR 821
    • s47 SR 900 truncated from SR 99 (!) to I-5
    • s48 SR 901 moved east of Lake Sammamish
    • s49 SR 902 extended from state custodial school to I-90
    • s50 SR 908 truncated from SR 520 to I-405
    • s51 created SR 971
    • s55 added local bridges
    • s65 repealed SR 126, SR 140, SR 209, SR 220, SR 232, SR 237, SR 304, SR 403, SR 407, SR 431, SR 514, SR 603
1992
  • 26: repealed SR 901
  • 166: repealed 1991 change to SR 160
1993
  • 430
    • s2 SR 160 moved south; part of the old route became SR 166
    • s3 created SR 166
    • s4 created SR 304
    • s5 SR 397 extended to Piert Road
    • s6 repealed SR 306
1994
  • 209: added ferries:
    • s1 SR 20
    • s2 SR 20N
    • s3 SR 104
    • s4 SR 160
    • s5 SR 163
    • s6 SR 304
    • s7 SR 305
    • s8 SR 525
    • s9 created SR 339
1997
  • 155: created SR 41 from part of SR 2
  • 308: created SR 35
2001
  • 130: SR 525 spur
2002
  • 56: SR 704
2004
  • 205: SR 99: deleted between SR 518 and SR 599
2005
  • 14: SR 290
  • 319: SR 906
2006
  • 334: SR 35
2007
  • 348: SR 5, SR 82, SR 90 named "Washington green highways"
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