Number
|
South or west terminus
|
North or east terminus
|
Length (mi)[1][2]
|
(km)
|
Formed
|
Deleted
|
Became a state highway[3]
|
Notes
|
US 2
|
Everett (I-5)
|
Idaho (US-2) formerly Idaho (SH-41)
|
326.35
|
525.21
|
1964
|
|
1909-1931
|
SR 3
|
Shelton (US 101)
|
Port Gamble (SR 104)
|
59.81
|
96.25
|
1964
|
|
1915-1937
|
SR 4
|
Johnson's Landing (US 101)
|
Kelso (I-5)
|
62.27
|
100.21
|
1967 (US 830)
|
|
1915
|
I-5
|
Oregon (I-5)
|
British Columbia (Hwy 99)
|
276.62
|
445.18
|
1964
|
|
1913-1931
|
SR 6
|
Raymond (US 101)
|
Chehalis (I-5)
|
51.37
|
82.67
|
1964
|
|
1913
|
SR 7
|
Morton (US 12) formerly Kosmos (SR 14)
|
Tacoma (I-5/I-705)
|
58.25
|
93.74
|
1964
|
|
1909-1913
|
SR 8
|
Elma (US 12)
|
Olympia (US 101)
|
20.67
|
33.27
|
1967 (US 410)
|
|
1913
|
SR 8 deleted
|
Elma (US 410)
|
Grand Mound (I-5)
|
|
|
1964
|
1967 (US 12)
|
1925
|
SR 9
|
Woodinville (SR 522) formerly Woodinville (SR 202)
|
British Columbia (Hwy 11)
|
97.61
|
157.09
|
1964
|
|
1937
|
SR 10
|
Teanaway (SR 970)
|
Ellensburg (US 97)
|
16.16
|
26.01
|
1964 (as US 10)
|
|
1913
|
SR 11
|
Burlington (I-5)
|
Bellingham (I-5)
|
21.28
|
34.25
|
1964
|
|
1895-1913
|
US 12
|
Aberdeen (US 101)
|
Idaho (US-12)
|
430.80
|
693.31
|
1967 (US 410, SR 8, SR 14)
|
|
1905-1931
|
SR 12 deleted
|
Maryhill (US 97/US 830)
|
Kennewick (US 410)
|
|
|
1964
|
1967 (SR 14)
|
1905-1943
|
SR 14
|
Vancouver (I-5)
|
Plymouth (I-82/US 395) formerly Kennewick (US 12)
|
180.68
|
290.78
|
1967 (SR 12)
|
|
1905-1943
|
SR 14 deleted
|
Chehalis (I-5)
|
Yakima (US 410)
|
|
|
1964
|
1967 (US 12)
|
1905-1931
|
SR 16
|
Gorst (SR 3)
|
Tacoma (I-5)
|
27.01
|
43.47
|
1964
|
|
1923-1951
|
SR 17
|
Mesa (US 395)
|
Brewster (US 97)
|
136.67
|
219.95
|
1964
|
|
1931-1951
|
SR 18
|
Federal Way (SR 99) formerly Tacoma (SR 509)
|
Snoqualmie (I-90)
|
28.41
|
45.72
|
1964
|
|
1931-1949
|
SR 19
|
Port Ludlow (SR 104)
|
Port Townsend (SR 20)
|
14.09
|
22.68
|
1991
|
|
1991
|
SR 20
|
Discovery Bay (US 101)
|
Newport (US 2)
|
436.12
|
701.87
|
1964
|
|
1893-1953
|
SR 20 Spur
|
Anacortes (ferry to San Juan Islands)
|
Anacortes (SR 20)
|
7.78
|
12.52
|
1973 (SR 536)
|
|
1937
|
SR 21
|
Kahlotus (SR 260)
|
British Columbia (Hwy 41)
|
191.28
|
307.84
|
1964
|
|
1899-1983
|
SR 22
|
Buena (I-82/US 12)
|
Prosser (I-82/US 12)
|
35.84
|
57.68
|
1964
|
|
1919-1937
|
SR 23
|
Steptoe (US 195)
|
Harrington (SR 28)
|
66.00
|
106.22
|
1964
|
|
1937
|
SR 24
|
Yakima (I-82/US 12/US 97)
|
Othello (SR 26) formerly Othello (SR 17)
|
79.23
|
127.51
|
1964
|
|
1937
|
SR 25
|
Davenport (US 2)
|
British Columbia (Hwy 22)
|
121.17
|
195.00
|
1964
|
|
1915-1937
|
SR 26
|
Vantage (I-90)
|
Colfax (US 195)
|
133.61
|
215.02
|
1964
|
|
1913-1957
|
SR 27
|
Pullman (US 195)
|
Millwood (SR 290)
|
90.00
|
144.84
|
1964
|
|
1913-1991
|
SR 28
|
East Wenatchee (US 2/US 97)
|
Davenport (US 2)
|
135.32
|
217.78
|
1964
|
|
1915
|
SR 30 deleted
|
Tonasket (US 97)
|
Kettle Falls (US 395)
|
|
|
1964
|
1973 (SR 20)
|
1953
|
SR 31
|
Tiger (SR 20) formerly Newport (US 2) via SR 20
|
British Columbia (Hwy 6)
|
26.79
|
43.11
|
1964
|
|
|
SR 35 proposed
|
Oregon (OR 35)
|
White Salmon (SR 14)
|
0.00
|
0.00
|
1997
|
|
1997
|
SR 41
|
Idaho (SH-41)
|
Newport (US 2)
|
0.41
|
0.66
|
1997 (US 2)
|
|
1959
|
I-82
|
Ellensburg (I-90/US 97)
|
Oregon (I-82/US 395)
|
132.57
|
213.35
|
1964
|
|
1913-1965
|
I-90
|
Seattle (I-5/SR 519)
|
Idaho (I-90)
|
297.52
|
478.81
|
1964
|
|
1899-1939
|
SR 92
|
Lake Stevens (SR 9)
|
Granite Falls
|
8.25
|
13.28
|
1964
|
|
1937
|
US 95 deleted
|
Idaho (US-95)
|
Idaho (US-95)
|
0.91
|
1.46
|
1964
|
1979 (US 195)
|
1913-1937
|
SR 96
|
Everett (I-5)
|
Rees Corner (SR 9)
|
6.75
|
10.86
|
1991
|
|
1991
|
US 97
|
Oregon (US 97)
|
British Columbia (Hwy 97)
|
321.62
|
517.60
|
1964
|
|
1897-1937
|
US 97A
|
Wenatchee (US 2/US 97)
|
Chelan (US 97)
|
39.95
|
64.29
|
1987 (US 97)
|
|
1937
|
SR 99
|
Fife (I-5) formerly Tacoma (SR 509)
|
Everett (I-5/SR 526/SR 527)
|
51.65
|
83.12[4]
|
1964 (as US 99)
|
|
1913-1957
|
US 99A deleted
|
Bellingham (I-5)
|
British Columbia (Hwy 13)
|
15.16
|
24.40
|
1964
|
1960s (SR 539)
|
1937
|
SR 99T deleted
|
Tukwila (I-5)
|
Seattle (SR 509)
|
|
|
1964 (as US 99T)
|
1971 (SR 599, SR 99)
|
1957
|
SR 100
|
Ilwaco (US 101)
|
Fort Canby State Park (loop)
|
4.68
|
7.53
|
1991
|
|
1991
|
US 101
|
Oregon (US 101)
|
Olympia (I-5)
|
365.55
|
588.30
|
1964
|
|
1905-1923
|
US 101A
|
Ilwaco (US 101)
|
Seaview (US 101)
|
0.63
|
1.01
|
1964
|
|
1937
|
SR 102
|
Washington Corrections Center
|
Shelton (US 101)
|
2.86
|
4.60
|
1984
|
|
1984
|
SR 103
|
Seaview (US 101)
|
Leadbetter Point State Park formerly Ocean Park
|
19.97
|
32.14
|
1964
|
|
1937-1991
|
SR 104
|
Discovery Bay (US 101)
|
Lake Forest Park (SR 522)
|
31.74
|
51.08
|
1964
|
|
1915-1959
|
SR 105
|
Raymond (US 101)
|
Aberdeen (US 101)
|
48.56
|
78.15
|
1964
|
|
1937
|
SR 106
|
Hoodsport (US 101)
|
Belfair (SR 3)
|
20.09
|
32.33
|
1964
|
|
1915
|
SR 107
|
Artic (US 101)
|
Montesano (US 12)
|
7.93
|
12.76
|
1964
|
|
1937
|
SR 108
|
McCleary (SR 8)
|
Shelton (US 101)
|
11.96
|
19.25
|
1964
|
|
1937
|
SR 109
|
Hoquiam (US 101)
|
Taholah proposed: Queets (US 101)
|
40.50
|
65.18
|
1964
|
|
1937-1951
|
SR 110
|
La Push
|
Forks (US 101)
|
11.10
|
17.86
|
1991
|
|
1991
|
SR 110 deleted
|
Bellingham (SR 11)
|
Bellingham (I-5)
|
|
|
1967
|
1975 (SR 11)
|
1967
|
SR 111 deleted
|
Olympic National Park
|
Port Angeles (US 101)
|
|
|
1964
|
1971
|
1959
|
SR 112
|
Makah Indian Reservation
|
Port Angeles (US 101)
|
61.29
|
98.64
|
1964
|
|
1937-1955
|
SR 113
|
Sappho (US 101)
|
Pysht (SR 112)
|
9.98
|
16.06
|
1991
|
|
1991
|
SR 113 deleted
|
Discovery Bay (US 101)
|
Keystone (SR 525)
|
|
|
1964
|
1973 (SR 20)
|
1923
|
SR 115
|
Ocean Shores
|
Ocean City (SR 109)
|
2.28
|
3.67
|
1973
|
|
1973
|
SR 116
|
Irondale (SR 19)
|
Fort Flagler State Park
|
9.83
|
15.82
|
1991
|
|
1991
|
SR 117
|
Port Angeles (US 101)
|
Port of Port Angeles
|
1.40
|
2.25
|
1991
|
|
1991
|
SR 119
|
Hoodsport (US 101)
|
Mount Rose
|
10.93
|
17.59
|
1991
|
|
1991
|
SR 120 deleted
|
Washougal (US 830)
|
Prindle (US 830)
|
|
|
1964
|
1967 (SR 140)
|
1937
|
SR 121
|
Maytown (I-5) formerly Rochester (US 12)
|
Tumwater (I-5)
|
7.67
|
12.34
|
1967 (SR 801)
|
|
1937-1991
|
SR 121 deleted
|
White Salmon (US 830)
|
Gifford Pinchot National Forest
|
|
|
1964
|
1967 (SR 141)
|
1937
|
SR 122
|
Mayfield Dam (US 12)
|
Mossyrock (US 12)
|
7.88
|
12.68
|
1991
|
|
1991
|
SR 122 deleted
|
Lyle (US 830)
|
Goldendale (US 97)
|
|
|
1964
|
1967 (SR 142)
|
1961
|
SR 123
|
White Pass (US 12)
|
Cayuse Pass (SR 410)
|
16.36
|
26.33
|
1967 (SR 143)
|
|
1905
|
SR 124
|
Burbank (US 12)
|
Waitsburg (US 12)
|
44.68
|
71.91
|
1964
|
|
1937
|
SR 125
|
Oregon (OR 11)
|
Prescott (SR 124)
|
23.65
|
38.06
|
1964
|
|
1923-1937
|
SR 126 deleted
|
Dayton (US 12)
|
Pomeroy (US 12)
|
|
|
1964
|
1992
|
1937
|
SR 127
|
Dodge (US 12)
|
Dusty (SR 26) formerly Colfax (US 195)
|
27.05
|
43.53
|
1960s (US 295)
|
|
1913
|
SR 128
|
Clarkston (US 12) formerly Pomeroy (US 12)
|
Idaho (SH-128)
|
2.24
|
3.60
|
1964
|
|
1937-1990
|
SR 129
|
Oregon (OR 3)
|
Clarkston (US 12)
|
42.55
|
68.48
|
1964
|
|
1923-1937
|
SR 131
|
Gifford Pinchot National Forest
|
Randle (US 12)
|
2.07
|
3.33
|
1991
|
|
1991
|
SR 131 deleted
|
Ellensburg (I-90/US 97)
|
Virden (US 97)
|
|
|
1964
|
1975 (US 97)
|
1937
|
SR 140 deleted
|
Washougal (SR 14)
|
Prindle (SR 14)
|
|
|
1967 (SR 120)
|
1991
|
1937
|
SR 141
|
White Salmon (SR 14)
|
Gifford Pinchot National Forest
|
29.30
|
47.15
|
1967 (SR 121)
|
|
1937
|
SR 141 deleted
|
Riffe (SR 14)
|
Morton (SR 7)
|
|
|
1964
|
1967
|
1937
|
SR 142
|
Lyle (SR 14)
|
Goldendale (US 97)
|
35.24
|
56.71
|
1967 (SR 122)
|
|
1961
|
SR 143 deleted
|
White Pass (SR 14)
|
Cayuse Pass (US 410)
|
|
|
1964
|
1967 (SR 123)
|
1905
|
SR 143 deleted
|
Oregon (US 730)
|
Plymouth (SR 14)
|
|
|
1973
|
1985 (I-82)
|
1973
|
SR 150
|
Manson
|
Chelan (US 97A)
|
11.76
|
18.93
|
1964
|
|
1919-1937
|
SR 151 deleted
|
Orondo (US 2)
|
Chelan (US 97)
|
|
|
1964
|
1987 (US 97)
|
1919
|
SR 153
|
Pateros (US 97)
|
Twisp (SR 20)
|
30.78
|
49.54
|
1964
|
|
1897
|
SR 155
|
Coulee City (US 2)
|
Omak (US 97/SR 20)
|
78.34
|
126.08
|
1964
|
|
1937
|
Mileage does not include the portion through the Grand Coulee Dam federal reservation
|
SR 160
|
Port Orchard (SR 16)
|
Point Southworth (ferry to Vashon Heights and Fauntleroy)
|
7.47
|
12.02
|
1964
|
|
1923-1993
|
SR 161
|
La Grande (SR 7)
|
Federal Way (SR 18)
|
36.17
|
58.21
|
1964
|
|
1937-1967
|
SR 162
|
Sumner (SR 410) formerly Puyallup (SR 161)
|
Buckley (SR 165)
|
17.37
|
27.95
|
1964
|
|
1937
|
SR 163
|
Tacoma (SR 16)
|
Point Defiance (ferry to Tahlequah)
|
3.37
|
5.42
|
1991
|
|
1991
|
SR 163 deleted
|
Sumner (US 410)
|
Auburn (SR 167)
|
|
|
1964
|
1960s (SR 167)
|
1925
|
SR 164
|
Auburn (SR 18)
|
Enumclaw (SR 410)
|
14.82
|
23.85
|
1960s (SR 167)
|
|
1913
|
SR 165
|
Mount Rainier National Park
|
Buckley (SR 410)
|
21.25
|
34.20
|
1964
|
|
1931
|
SR 166
|
Port Orchard (SR 16)
|
Port Orchard (east limit)
|
4.98
|
8.01
|
1993 (SR 160)
|
|
1923
|
SR 167
|
Tacoma (I-5) formerly Enumclaw (US 410)
|
Renton (SR 900) formerly Seattle (SR 900)
|
28.60
|
46.03
|
1964
|
|
1913-1937
|
SR 168 proposed
|
Greenwater (SR 410)
|
Cliffdell (SR 410)
|
0.00
|
0.00
|
1964
|
|
1943
|
SR 169
|
Enumclaw (SR 164)
|
Renton (SR 900)
|
25.26
|
40.65
|
1964
|
|
1937
|
SR 170
|
Warden (SR 17)
|
Warden
|
3.66
|
5.89
|
1967
|
|
1967
|
SR 170 deleted
|
Ringold
|
Mesa (SR 17)
|
|
|
1965
|
1967
|
1937
|
SR 171
|
Moses Lake (I-90)
|
Moses Lake (SR 17) proposed: Odessa (SR 28)
|
3.79
|
6.10
|
1964
|
|
1955-1959
|
SR 172
|
Waterville (US 2)
|
Leahy (SR 17)
|
35.01
|
56.34
|
1964
|
|
1951
|
SR 173
|
Bridgeport (SR 17)
|
Brewster (US 97)
|
11.86
|
19.09
|
1964
|
|
1931
|
SR 174
|
Bridgeport (SR 17)
|
Wilbur (SR 21)
|
40.66
|
65.44
|
1964
|
|
1937
|
SR 181
|
Kent (SR 516) formerly Auburn (SR 18)
|
Tukwila (I-405) formerly Seattle (SR 900)
|
6.05
|
9.74
|
1964
|
|
1937
|
I-182
|
Benton City (I-82/US 12)
|
Pasco (US 12/US 395/SR 397)
|
15.19
|
24.45
|
1971
|
|
1913-1971
|
SR 193
|
Clarkston (SR 128)
|
Wilma formerly Colton (US 195)
|
2.58
|
4.15
|
1969
|
|
1969
|
SR 194
|
Almota
|
Pullman (US 195)
|
21.01
|
33.81
|
1991
|
|
1991
|
US 195
|
Idaho (US-195)
|
Spokane (I-90/US 2/US 395)
|
93.37
|
150.26
|
1964
|
|
1913-1925
|
US 197
|
Oregon (US 197)
|
Dallesport (SR 14)
|
3.18
|
5.12
|
1973
|
|
1973
|
SR 202
|
Woodinville (SR 522)
|
North Bend (I-90) formerly Monroe (US 2) via SR 522
|
30.55
|
49.17
|
1964
|
|
1925
|
SR 203
|
Fall City (SR 202)
|
Monroe (US 2)
|
25.26
|
40.65
|
1964
|
|
1937
|
SR 204
|
Everett (US 2)
|
Lake Stevens (SR 9)
|
2.38
|
3.83
|
1964
|
|
1937
|
I-205
|
Oregon (I-205)
|
Vancouver (I-5)
|
10.57
|
17.01
|
1964
|
|
1961
|
SR 206
|
Mead (US 2)
|
Mount Spokane State Park
|
15.30
|
24.62
|
1970
|
|
|
SR 207
|
Winton (US 2)
|
Lake Wenatchee State Park formerly Telma
|
4.38
|
7.05
|
1964
|
|
1937
|
SR 209 deleted
|
Leavenworth (US 2)
|
Lake Wenatchee State Park (SR 207)
|
|
|
1964
|
1991
|
1937
|
SR 211
|
Newport (US 2)
|
Usk (SR 20)
|
15.18
|
24.43
|
1975 (SR 311)
|
|
1937
|
SR 213 proposed
|
Malott (US 97)
|
Okanogan (SR 20)
|
0.00
|
0.00
|
1973 (SR 20)
|
|
1959
|
SR 215
|
Okanogan (SR 20)
|
Omak (US 97/SR 20)
|
6.24
|
10.04
|
1973 (SR 20)
|
|
1967
|
SR 220 deleted
|
Fort Simcoe State Park
|
Toppenish (US 97)
|
|
|
1964
|
1991
|
1937-1957
|
SR 221
|
Paterson (SR 14)
|
Prosser (SR 22)
|
25.95
|
41.76
|
1964
|
|
1937
|
SR 223
|
Toppenish (SR 22)
|
Granger (I-82/US 12)
|
3.80
|
6.12
|
1964
|
|
1963
|
SR 224
|
Kiona (I-82/US 12)
|
Richland (SR 240)
|
10.15
|
16.33
|
1964
|
|
1955
|
SR 225
|
Kiona (SR 224)
|
Horn Rapids Dam (SR 240)
|
11.12
|
17.90
|
1991
|
|
1991
|
SR 230 proposed
|
Ritzville (I-90/US 395)
|
Ewan (SR 23)
|
0.00
|
0.00
|
1964
|
|
1943
|
SR 231
|
Sprague (SR 23)
|
Chewelah (US 395)
|
74.97
|
120.65
|
1964
|
|
1913-1963
|
SR 232 deleted
|
Valley (SR 231)
|
Valley (US 395)
|
|
|
1967
|
1991
|
1967
|
SR 237 deleted
|
Fredonia (SR 20)
|
Blanchard (SR 11)
|
|
|
1975 (SR 537)
|
1991
|
1937
|
SR 240
|
Cold Creek (SR 24)
|
Kennewick (US 395)
|
41.34
|
66.53
|
1964
|
|
1913-1961
|
SR 241
|
Mabton (SR 22)
|
Cold Creek (SR 24)
|
25.20
|
40.56
|
1967
|
|
1967-1991
|
SR 243
|
Vernita Bridge (SR 24)
|
Vantage (SR 26)
|
28.23
|
45.43
|
1964
|
|
1957
|
SR 251 deleted
|
Northport (SR 25)
|
British Columbia (Hwy 22A)
|
|
|
1964
|
1983
|
1931
|
SR 260
|
Connell (SR 17)
|
Washtucna (SR 26/SR 261)
|
37.98
|
61.12
|
1964
|
|
1937
|
SR 261
|
Delaney (US 12)
|
Ritzville (I-90/US 395)
|
62.71
|
100.92
|
1964
|
|
1937-1957
|
SR 262
|
Royal City (SR 26)
|
Warden (SR 17)
|
24.22
|
38.98
|
1991
|
|
1991
|
SR 263
|
Windust
|
Kahlotus (SR 260)
|
9.24
|
14.87
|
1991
|
|
1991
|
SR 270
|
Pullman (US 195)
|
Idaho (SH-8)
|
9.89
|
15.92
|
1964
|
|
1937
|
SR 271
|
Oakesdale (SR 27)
|
Rosalia (US 195)
|
8.48
|
13.65
|
1964
|
|
1913
|
SR 272
|
Colfax (US 195)
|
Idaho (SH-6)
|
19.22
|
30.93
|
1964
|
|
1937
|
SR 274
|
Tekoa (SR 27)
|
Idaho (SH-60)
|
1.92
|
3.09
|
1964
|
|
1937
|
SR 276 proposed
|
Pullman (US 195)
|
Pullman (SR 270)
|
0.00
|
0.00
|
1973
|
|
1973
|
SR 278
|
Rockford (SR 27)
|
Idaho (SH-58)
|
5.50
|
8.85
|
1991
|
|
1991
|
SR 281
|
George (I-90)
|
Quincy (SR 28)
|
10.55
|
16.98
|
1964
|
|
1915
|
SR 282
|
Ephrata (SR 28)
|
Moses Lake (SR 17)
|
4.92
|
7.92
|
1964
|
|
1951
|
SR 283
|
George (I-90/SR 281 Spur)
|
Ephrata (SR 28)
|
14.86
|
23.91
|
1964
|
|
1949
|
SR 285
|
East Wenatchee (SR 28)
|
Wenatchee (US 2/US 97)
|
5.04
|
8.11
|
1977 (US 2)
|
|
1909
|
SR 290
|
Spokane (I-90) formerly Spokane (US 2/US 395)
|
Idaho (SH-53) formerly State Line, Idaho
|
18.31
|
29.47
|
1964
|
|
1937
|
SR 291
|
Spokane (US 2)
|
Long Lake (SR 231)
|
33.09
|
53.25
|
1964
|
|
1959-1983
|
SR 292
|
Springdale (SR 231)
|
Loon Lake (US 395)
|
5.91
|
9.51
|
1964
|
|
1913
|
SR 294 deleted
|
Colville (US 395)
|
Tiger (SR 31)
|
|
|
1964
|
1973 (SR 20)
|
1937
|
US 295 deleted
|
Dodge (US 410)
|
Colfax (US 195)
|
|
|
1964
|
1960s (SR 127)
|
1913
|
SR 300
|
Belfair State Park
|
Belfair (SR 3)
|
3.35
|
5.39
|
1964
|
|
1957
|
SR 302
|
Allyn (SR 3)
|
Purdy (SR 16)
|
16.87
|
27.15
|
1964
|
|
1937
|
SR 303
|
Bremerton (SR 304)
|
Silverdale (SR 3) formerly Keyport (SR 3) via SR 308
|
9.32
|
15.00
|
1964
|
|
1937-1991
|
SR 304
|
Bremerton (SR 3)
|
Bremerton (ferry to Seattle)
|
3.14
|
5.05
|
1964
|
|
1961
|
Deleted between 1991 and 1993
|
SR 305
|
Bainbridge Island (ferry to Seattle)
|
Poulsbo (SR 3)
|
13.50
|
21.73
|
1964
|
|
1937
|
SR 306 deleted
|
Bremerton (SR 303)
|
Illahee State Park
|
|
|
1964
|
1993
|
1951
|
SR 307
|
Poulsbo (SR 305)
|
Kingston (SR 104)
|
5.25
|
8.45
|
1991
|
|
1991
|
SR 308
|
Keyport (SR 3)
|
Keyport
|
3.42
|
5.50
|
1971 (SR 303)
|
|
1929
|
SR 310
|
Bremerton (SR 3)
|
Bremerton (SR 304)
|
1.84
|
2.96
|
1991
|
|
1991
|
SR 311 deleted
|
Newport (US 2)
|
Usk (SR 31)
|
15.18
|
24.43
|
1964
|
1975 (SR 211)
|
1937
|
SR 339 ferry
|
Vashon Heights
|
Seattle
|
0.00
|
0.00
|
1994
|
|
1994
|
US 395
|
Oregon (I-82/US 395)
|
British Columbia (Hwy 395)
|
275.03
|
442.62
|
1964
|
|
1913-1943
|
SR 397
|
I-82/US 395 south of Kennewick
|
Pasco (I-182/US 12/US 395)
|
22.31
|
35.90
|
1991
|
|
1991
|
SR 401
|
Megler (US 101)
|
Naselle (SR 4)
|
12.13
|
19.52
|
1964
|
|
1937
|
SR 402 deleted proposed
|
Grays River (SR 4)
|
Pe Ell (SR 6)
|
0.00
|
0.00
|
1964
|
1971
|
1959
|
SR 403 deleted
|
Altoona
|
Grays River (SR 4)
|
|
|
1964
|
1991
|
1937
|
I-405
|
Tukwila (I-5/SR 518)
|
Alderwood Manor (I-5/SR 525)
|
30.30
|
48.76
|
1964
|
|
1937-1957
|
SR 407 deleted
|
Cathlamet (SR 4)
|
Elochoman State Forest
|
|
|
1964
|
1991
|
1937
|
SR 409
|
Puget Island
|
Cathlamet (SR 4)
|
3.84
|
6.18
|
1964
|
|
1943
|
SR 410
|
Sumner (SR 167) formerly Tacoma (I-5)
|
Yakima (US 12)
|
107.44
|
172.91
|
1964 (as US 410) Aberdeen (US 101) to Idaho (US-410)
|
|
1897-1937
|
SR 411
|
Longview (SR 432)
|
Castle Rock (I-5/SR 504) formerly Vader (SR 506)
|
13.48
|
21.69
|
1964
|
|
1957-1991
|
SR 431 deleted
|
Kelso (SR 4)
|
Kelso (I-5)
|
|
|
1967 (SR 831)
|
1991
|
1963
|
SR 432
|
Longview (SR 4)
|
Kelso (I-5)
|
10.31
|
16.59
|
1967 (SR 832)
|
|
1937
|
SR 433
|
Oregon (US 30)
|
Longview (SR 432) formerly Longview (SR 4)
|
0.94
|
1.51
|
1967 (SR 833)
|
|
1965
|
SR 500
|
Vancouver (I-5)
|
Camas (SR 14)
|
22.18
|
35.70
|
1964
|
|
1937
|
SR 501
|
Vancouver (I-5)
|
La Center (I-5)
|
13.96
|
22.47
|
1964
|
|
1937
|
Mileage does not include the proposed portion between Vancouver Lake and Ridgefield
|
SR 502
|
Vancouver (I-5)
|
Battle Ground (SR 503)
|
7.58
|
12.20
|
1964
|
|
1937
|
SR 503
|
Orchards (SR 500)
|
Woodland (I-5)
|
54.11
|
87.08
|
1964
|
|
1937
|
SR 504
|
Castle Rock (I-5/SR 411)
|
Spirit Lake
|
51.76
|
83.30
|
1964
|
|
1937-1961
|
SR 505
|
Toutle (SR 504)
|
Winlock formerly Toledo (I-5)
|
19.29
|
31.04
|
1964
|
|
1937-1991
|
SR 506
|
Ryderwood
|
Toledo (I-5)
|
11.53
|
18.56
|
1964
|
|
1937
|
SR 507
|
Centralia (I-5)
|
Spanaway (SR 7)
|
43.52
|
70.04
|
1964
|
|
1937-1959
|
SR 508
|
Chehalis (I-5)
|
Morton (SR 7)
|
32.84
|
52.85
|
1964
|
|
1937
|
SR 509
|
Tacoma (I-705) formerly Tacoma (I-5)
|
Seattle (SR 99)
|
35.16
|
56.58
|
1964
|
|
1937
|
SR 510
|
Lacey (I-5)
|
Yelm (SR 507)
|
13.07
|
21.03
|
1964
|
|
1937
|
SR 512
|
Tacoma (I-5)
|
Puyallup (SR 167)
|
12.06
|
19.41
|
1964
|
|
1937
|
SR 513
|
Seattle (SR 520) formerly Downtown Seattle (US 10)
|
Sand Point formerly Seattle (I-5)
|
3.35
|
5.39
|
1964
|
|
1937
|
SR 514 deleted
|
Fife (SR 99)
|
Edgewood (SR 161)
|
|
|
1964
|
1991
|
1937
|
SR 515
|
Kent (SR 516)
|
Renton (SR 900)
|
7.86
|
12.65
|
1964
|
|
1937
|
SR 516
|
Des Moines (SR 509)
|
Maple Valley (SR 169)
|
16.49
|
26.54
|
1964
|
|
1937
|
SR 518
|
Burien (SR 509)
|
Tukwila (I-5/I-405)
|
3.42
|
5.50
|
1964
|
|
1937
|
SR 519
|
Seattle (I-90)
|
Seattle
|
1.14
|
1.83
|
1991
|
|
1991
|
SR 520
|
Seattle (I-5)
|
Redmond (SR 202)
|
12.82
|
20.63
|
1964
|
|
1961-1963
|
SR 522
|
Seattle (I-5) formerly Downtown Seattle (US 10)
|
Monroe (US 2) formerly North Bend (I-90) via SR 202
|
24.68
|
39.72
|
1964
|
|
1925-1943
|
SR 523
|
Seattle (SR 99)
|
Seattle (SR 522)
|
2.45
|
3.94
|
1991
|
|
1991
|
SR 524
|
Edmonds (SR 104)
|
Maltby (SR 522)
|
14.68
|
23.63
|
1964
|
|
1957-1991
|
SR 525
|
Alderwood Manor (I-5/I-405)
|
Keystone (SR 20) formerly Anacortes (SR 536) via SR 20)
|
30.67
|
49.36
|
1964
|
|
1937
|
SR 526
|
Mukilteo (SR 525)
|
Everett (I-5/SR 99/SR 527)
|
4.52
|
7.27
|
1964
|
|
1937
|
SR 527
|
Bothell (SR 522)
|
Everett (I-5/SR 99/SR 526)
|
11.92
|
19.18
|
1964
|
|
1957
|
SR 528
|
Marysville (I-5)
|
Lake Stevens (SR 9)
|
3.46
|
5.57
|
1964
|
|
1963
|
SR 529
|
Everett (I-5)
|
Marysville (SR 528)
|
7.87
|
12.67
|
1971 (SR 528)
|
|
1913-1991
|
SR 530
|
Arlington (I-5) formerly Conway (I-5)
|
Rockport (SR 20)
|
50.52
|
81.30
|
1964
|
|
1937-1983
|
SR 531
|
Wenberg State Park
|
Marysville (SR 9)
|
9.88
|
15.90
|
1991
|
|
1991
|
SR 532
|
Camano Island
|
Stanwood (I-5)
|
10.09
|
16.24
|
1964
|
|
1945
|
SR 534
|
Conway (I-5)
|
Lake McMurray (SR 9)
|
5.08
|
8.18
|
1964
|
|
1937
|
SR 536
|
Fredonia (SR 20) formerly Anacortes via SR 20, SR 20 Spur
|
Mount Vernon (I-5)
|
5.38
|
8.66
|
1964
|
|
1937
|
SR 537 deleted
|
Fredonia (SR 536)
|
Blanchard (SR 11)
|
|
|
1964
|
1975 (SR 237)
|
1937
|
SR 538
|
Mount Vernon (I-5)
|
Clear Lake (SR 9)
|
3.66
|
5.89
|
1964
|
|
1937
|
SR 539
|
Bellingham (I-5)
|
British Columbia (Hwy 13)
|
15.16
|
24.40
|
1960s (US 99A)
|
|
1937
|
SR 540 deleted
|
Lummi Indian Reservation
|
Ferndale (I-5)
|
|
|
1964
|
1984
|
1953
|
SR 542
|
Bellingham (I-5)
|
Austin Pass
|
57.23
|
92.10
|
1964
|
|
1925
|
SR 543
|
Blaine (I-5)
|
British Columbia (Hwy 15)
|
1.09
|
1.75
|
1964
|
|
1963
|
SR 544
|
Wiser Lake (SR 539)
|
Nooksack (SR 9)
|
8.94
|
14.39
|
1964
|
|
1951
|
SR 546
|
Lynden (SR 539)
|
Sumas (SR 9)
|
8.02
|
12.91
|
1964
|
|
1957
|
SR 547
|
Kendall (SR 542)
|
Sumas (SR 9)
|
10.79
|
17.36
|
1984
|
|
1984
|
SR 548
|
Ferndale (I-5)
|
Blaine (I-5)
|
13.85
|
22.29
|
1991
|
|
1991
|
SR 599
|
Tukwila (I-5)
|
Seattle (SR 99)
|
1.75
|
2.82
|
1971 (SR 99T)
|
|
1957
|
SR 603 deleted
|
Toledo (I-5)
|
Chehalis (SR 6)
|
|
|
1964
|
1991 (SR 505)
|
1937
|
SR 702
|
McKenna (SR 507)
|
Eatonville (SR 7)
|
9.32
|
15.00
|
1964
|
|
1937
|
SR 704 proposed
|
Fort Lewis (I-5)
|
Spanaway (SR 7)
|
0.00
|
0.00
|
2002
|
|
2002
|
I-705
|
Tacoma (I-5/SR 7)
|
Tacoma
|
1.50
|
2.41
|
1979 (SR 509)
|
|
1979
|
SR 706
|
Elbe (SR 7)
|
Mount Rainier National Park
|
13.64
|
21.95
|
1964
|
|
1913
|
US 730
|
Oregon (US 730)
|
Wallula (US 12)
|
6.08
|
9.78
|
1964
|
|
1923
|
SR 801 deleted
|
Rochester (SR 8)
|
Maytown (I-5)
|
|
|
1964
|
1967 (SR 121)
|
1937
|
SR 821
|
Yakima (I-82/US 97)
|
Ellensburg (I-82/US 97)
|
25.21
|
40.57
|
1973 (US 97)
|
|
1973
|
SR 823
|
Yakima (I-82/US 12/US 97)
|
Selah (SR 821)
|
5.62
|
9.04
|
1984
|
|
1984-1991
|
US 830 deleted
|
Johnson's Landing (US 101)
|
Maryhill (US 97/SR 12)
|
|
|
1964
|
1967 (SR 4, SR 14)
|
1905-1943
|
SR 831 deleted
|
Kelso (US 830)
|
Kelso (I-5)
|
|
|
1964
|
1967 (SR 431)
|
1963
|
SR 832 deleted
|
Longview (US 830)
|
Kelso (I-5)
|
|
|
1964
|
1967 (SR 432)
|
1937
|
SR 833 deleted
|
Oregon (US 30)
|
Longview (US 830)
|
|
|
1965
|
1967 (SR 433)
|
1965
|
SR 900
|
Seattle (I-5) formerly Seattle (SR 99)
|
Issaquah (I-90)
|
16.20
|
26.07
|
1964
|
|
1909-1913
|
SR 901 deleted
|
Issaquah (I-90) formerly Issaquah (SR 900)
|
Redmond (SR 202) formerly Bellevue (SR 520)
|
|
|
1964
|
1992
|
1937-1991
|
SR 902
|
Medical Lake (I-90/US 395)
|
Four Lakes (I-90/US 395)
|
12.36
|
19.89
|
1964
|
|
1953-1991
|
SR 903
|
Cle Elum (SR 970)
|
Wenatchee National Forest
|
10.06
|
16.19
|
1964
|
|
1937
|
SR 904
|
Tyler (I-90/US 395)
|
Four Lakes (I-90/US 395)
|
16.96
|
27.29
|
1964
|
|
1961
|
SR 906
|
Snoqualmie Pass (I-90)
|
Hyak (I-90)
|
2.65
|
4.26
|
1967 (I-90)
|
|
1899
|
SR 908 deleted
|
Kirkland (I-405) formerly Bellevue (SR 520)
|
Redmond (SR 202)
|
3.14
|
5.05
|
1971 (SR 901)
|
2010
|
1937-1963
|
SR 920 deleted
|
Redmond (SR 901)
|
Redmond (SR 202)
|
|
|
1975
|
1985 (SR 520)
|
1963
|
SR 970
|
Cle Elum (I-90)
|
Virden (US 97)
|
10.31
|
16.59
|
1975 (US 97)
|
|
1909
|
SR 971
|
Winesap (US 97A)
|
Chelan (US 97A)
|
15.02
|
24.17
|
1991
|
|
1991
|