AARoads:United States/Oregon/List of highways by number

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Number Current name Former names Existed Notes
No. 1 Pacific Highway No. 1 Pacific Highway 1917–present
No. 1E Pacific Highway East No. 1E Pacific Highway East 1937–present
No. 1W Pacific Highway West No. 1W Pacific Highway West 1937–present
No. 2 Columbia River Highway No. 2 Columbia River Highway 1917–present
No. 2W Lower Columbia River Highway No. 2W Lower Columbia River Highway Columbia River Highway West No. 2W Columbia River Highway West by 1958–present
No. 3 Oswego Highway No. 3 Oswego Highway 1937–present reused
No. 3 Coast Highway No. 3 Coast Highway 1917–by 1920
No. 3 West Side Highway No. 3 West Side Highway
West Side Pacific Highway No. 3 West Side Pacific Highway
by 1920–1937
No. 4 The Dalles–California Highway No. 4 The Dalles–California Highway 1917–present
No. 5 John Day Highway No. 5 John Day Highway The John Day River Highway No. 5 The John Day River Highway
John Day River Highway No. 5 John Day River Highway
1917–present
No. 6 Old Oregon Trail Highway No. 6 Old Oregon Trail Highway The Old Oregon Trail No. 6 1917–present
No. 7 Central Oregon Highway No. 7 Central Oregon Highway 1917–present
No. 8 Oregon–Washington Highway No. 8 Oregon–Washington Highway 1917–present
No. 9 Oregon Coast Highway No. 9 Oregon Coast Highway Coast Highway No. 9 Coast Highway
Roosevelt Coast Highway No. 9 Roosevelt Coast Highway
by 1920–present reused
No. 9 Pendleton–John Day Highway No. 9 Pendleton–John Day Highway 1917–by 1920
No. 10 Wallowa Lake Highway No. 10 Wallowa Lake Highway La Grande–Enterprise Highway No. 10 La Grande–Enterprise Highway
La Grande–Joseph Highway No. 10 La Grande–Joseph Highway
La Grande–Wallowa Lake Highway No. 10 La Grande–Wallowa Lake Highway
1917–present
No. 11 Enterprise–Lewiston Highway No. 11 Enterprise–Lewiston Highway Enterprise–Flora Highway No. 11 Enterprise–Flora Highway 1917–present
No. 12 Baker–Copperfield Highway No. 12 Baker–Copperfield Highway Baker–Cornucopia Highway No. 12 Baker–Cornucopia Highway
Baker–Homestead Highway No. 12 Baker–Homestead Highway
1917–present
No. 13 Baker–Unity Highway No. 13 Baker–Unity Highway 1917–1980
No. 14 Crooked River Highway No. 14 Crooked River Highway Prineville–Bear Creek Highway No. 14 Prineville–Bear Creek Highway by 1928–present reused
No. 14 Antelope–Mitchell Highway No. 14 Antelope–Mitchell Highway
Shaniko–Mitchell Highway No. 14 Shaniko–Mitchell Highway
1917–1927
No. 15 McKenzie Highway No. 15 McKenzie Highway McKenzie River Highway No. 15 McKenzie River Highway 1917–present
No. 16 Santiam Highway No. 16 Santiam Highway Albany–Sisters Highway No. 16 Albany–Sisters Highway 1917–present
No. 17 McKenzie–Bend Highway No. 17 McKenzie–Bend Highway Bend–Sisters Highway No. 17 Bend–Sisters Highway 1917–present
No. 18 Willamette Highway No. 18 Willamette Highway 1922–present reused
No. 18 Lakeview–Burns Highway No. 18 Lakeview–Burns Highway 1917–by 1922
No. 19 Fremont Highway No. 19 Fremont Highway LaPine–Lakeview Highway No. 19 LaPine–Lakeview Highway
Lapine–Lakeview Highway No. 19 Lapine–Lakeview Highway
Prineville–Lakeview Highway No. 19 Prineville–Lakeview Highway
1917–present
No. 20 Klamath Falls–Lakeview Highway No. 20 Klamath Falls–Lakeview Highway 1917–present what should be done with US 20?
No. 21 Green Springs Highway No. 21 Green Springs Highway Ashland–Klamath Falls Highway No. 21 Ashland–Klamath Falls Highway 1917–present
No. 22 Crater Lake Highway No. 22 Crater Lake Highway Medford–Crater Lake Highway No. 22 Medford–Crater Lake Highway 1917–present
No. 23 Dairy–Bonanza Highway No. 23 Dairy–Bonanza Highway by 1926–present reused
No. 23 Klamath–Crater Lake Highway No. 23 Klamath–Crater Lake Highway 1917–1924
No. 24 Burns–Crane Highway No. 24 Burns–Crane Highway by 1926–1965 reused
No. 24 The Rim Highway No. 24 The Rim Highway 1917–by 1926
No. 25 Redwood Highway No. 25 Redwood Highway Grants Pass–Crescent City Highway No. 25 Grants Pass–Crescent City Highway 1917–present
No. 26 Mount Hood Highway No. 26 Mount Hood Highway Mt. Hood Highway No. 26 Mt. Hood Highway
Mount Hood Loop Highway No. 26 Mount Hood Loop Highway
1917–present
No. 27 Alsea Highway No. 27 Alsea Highway Alsea River Forest Road No. 27 by 1920–present reused
what should be done with this?
No. 27 Clackamas Highway No. 27 Clackamas Highway 1917–by 1920
No. 28 Pendleton–John Day Highway No. 28 Pendleton–John Day Highway by 1920–present reused
what should be done with US 28?
No. 28 The West Side Highway No. 28 The West Side Highway 1917–by 1920
No. 29 Tualatin Valley Highway No. 29 Tualatin Valley Highway Forest Grove–McMinnville Highway No. 29 Forest Grove–McMinnville Highway 1917–present
No. 30 Willamina–Salem Highway No. 30 Willamina–Salem Highway Salem–Independence Highway No. 30 Salem–Independence Highway
Salem–Dallas Highway No. 30 Salem–Dallas Highway
1917–present
No. 31 Albany–Corvallis Highway No. 31 Albany–Corvallis Highway 1917–present reused
No. 31 Mount Hood–Clear Lake Highway No. 31 Mount Hood–Clear Lake Highway 1922?
No. 32 Three Rivers Highway No. 32 Three Rivers Highway Yamhill–Nestucca Highway No. 32 Yamhill–Nestucca Highway
McMinnville–Tillamook Highway No. 32 McMinnville–Tillamook Highway
1917–present
No. 33 Corvallis–Newport Highway No. 33 Corvallis–Newport Highway 1917–present
No. 34 Eugene–Florence Highway No. 34 Eugene–Florence Highway
Willamette Valley–Florence Highway No. 34 Willamette Valley–Florence Highway
Siuslaw Highway No. 34 Siuslaw Highway
1917–1966
No. 35 Coos Bay–Roseburg Highway No. 35 Coos Bay–Roseburg Highway 1917–present
No. 36 Pendleton–Cold Springs Highway No. 36 Pendleton–Cold Springs Highway 1917–present
No. 37 Wilson River Highway No. 37 Wilson River Highway 1931–present reused
No. 37 Umatilla Cut–off Highway No. 37 Umatilla Cut–off Highway
Umatilla Cutoff Highway No. 37 Umatilla Cutoff Highway
1922–by 1932
No. 37 Crooked River Highway No. 37 Crooked River Highway by 1920–1922
No. 38 Oregon Caves Highway No. 38 Oregon Caves Highway by 1922–present reused
No. 38 Tiller–Summit Forest Road No. 38 1920?
No. 39 Salmon River Highway No. 39 Salmon River Highway 1930–present reused
No. 39 Deschutes River Highway No. 39 Deschutes River Highway
Deschutes Highway No. 39 Deschutes Highway
by 1920–by 1926
No. 40 Beaverton–Hillsdale Highway No. 40 Beaverton–Hillsdale Highway Canyon Road Canyon Road No. 40, Bertha–Beaverton Highway No. 40 Bertha–Beaverton Highway by 1920–present
No. 41 Ochoco Highway No. 41 Ochoco Highway 1921–present
No. 42 Sherman Highway No. 42 Sherman Highway 1921–present
No. 43 Monmouth–Independence Highway No. 43 Monmouth–Independence Highway by 1922–present
No. 44 Wapinitia Highway No. 44 Wapinitia Highway by 1924–present
No. 45 Umpqua Highway No. 45 Umpqua Highway 1931–present
No. 46 Necanicum Highway No. 46 Necanicum Highway 1939–present reused
No. 46 East Portland–Oregon City Highway No. 46 East Portland–Oregon City Highway 1931–1937
No. 47 Sunset Highway No. 47 Sunset Highway Wolf Creek Highway No. 47 Wolf Creek Highway 1932–present
No. 48 John Day–Burns Highway No. 48 John Day–Burns Highway 1933–present
No. 49 Lakeview–Burns Highway No. 49 Lakeview–Burns Highway 1933–present
No. 50 Klamath Falls–Malin Highway No. 50 Klamath Falls–Malin Highway 1939–present
No. 50 Klamath Falls–Weed Highway No. 50 Klamath Falls–Weed Highway 1937–1939 reused
No. 51 Wilsonville–Hubbard Highway No. 51 Wilsonville–Hubbard Highway West Portland–Hubbard Highway No. 51 West Portland–Hubbard Highway 1937–present
No. 52 Heppner Highway No. 52 Heppner Highway 1939–present
No. 53 Warm Springs Highway No. 53 Warm Springs Highway 1940–present
No. 54 Umatilla–Stanfield Highway No. 54 Umatilla–Stanfield Highway by 1954–present reused
No. 54 Boardman–Stanfield Highway No. 54 Boardman–Stanfield Highway 1940–by 1954
No. 55 Halfway Highway No. 55 Halfway Highway 1941–1957
No. 56 Sullivan Gulch Highway No. 56 Sullivan Gulch Highway
Banfield Expressway Highway No. 56 Banfield Expressway Highway
1948–1958
No. 57 Portland–Salem Expressway Highway No. 57 Portland–Salem Expressway Highway 1953–1957
No. 58 Albany–Junction City Highway No. 58 Albany–Junction City Highway 1958–present
No. 59 Sandy Boulevard Highway No. 59 Sandy Boulevard Highway 1958–2003
No. 60 Rogue River Highway No. 60 Rogue River Highway 1959–present
No. 61 Stadium Freeway Highway No. 61 Stadium Freeway Highway Stadium Highway No. 61 Stadium Highway 1961–present
No. 62 Florence–Eugene Highway No. 62 Florence–Eugene Highway 1966–present
No. 63 Rogue Valley Highway No. 63 Rogue Valley Highway 1962–present
No. 64 East Portland Freeway Highway No. 64 East Portland Freeway Highway 1966–present
No. 65 Salem Freeway Highway No. 65 Salem Freeway Highway 1968–1985?
No. 66 La Grande–Baker Highway No. 66 La Grande–Baker Highway 1968–present
No. 67 Pendleton Highway No. 67 Pendleton Highway 1969–present
No. 68 Cascade Highway North No. 68 Cascade Highway North 1971–present
No. 69 Beltline Highway No. 69 Beltline Highway 1978–present
No. 70 McNary Highway No. 70 McNary Highway 1979–present
No. 71 Whitney Highway No. 71 Whitney Highway 1980–present
No. 72 Salem Highway No. 72 Salem Highway 1985–present
No. 73 North Umpqua Highway No. 73 North Umpqua Highway 1985–2003
No. 100 Historic Columbia River Highway No. 100 Historic Columbia River Highway 1993–present
No. 102 Nehalem Highway No. 102 Nehalem Highway 1933–present
No. 103 Fishhawk Falls Highway No. 103 Fishhawk Falls Highway 1941–present
No. 104 Fort Stevens Highway No. 104 Fort Stevens Highway 1946–present
No. 105 Warrenton–Astoria Highway No. 105 Warrenton–Astoria Highway Warrenton Highway No. 105 Warrenton Highway 1946–present
No. 110 Mist–Clatskanie Highway No. 110 Mist–Clatskanie Highway 1933–present
No. 120 Swift Highway No. 120 Swift Highway 1933–present
No. 121 Lombard Street Highway No. 121 Lombard Street Highway 1934–1942
No. 122 Vancouver Avenue Highway No. 122 Vancouver Avenue Highway 1935–1986
No. 123 Northeast Portland Highway No. 123 Northeast Portland Highway 1937–present
No. 124 Sun Dial Highway No. 124 Sun Dial Highway
Sundial Highway No. 124 Sundial Highway
1941–1965
No. 125 Crown Point Highway No. 125 Crown Point Highway 1949–1993
No. 130 Little Nestucca Highway No. 130 Little Nestucca Highway 1933–present
No. 131 Netarts Highway No. 131 Netarts Highway 1940–present
No. 138 North Umpqua Highway No. 138 North Umpqua Highway 2003–present
No. 140 Hillsboro–Silverton Highway No. 140 Hillsboro–Silverton Highway Hillsboro–Woodburn Highway No. 140 Hillsboro–Woodburn Highway 1933–present
No. 141 Beaverton–Tualatin Highway No. 141 Beaverton–Tualatin Highway Beaverton–Aurora Highway No. 141 Beaverton–Aurora Highway 1933–present
No. 142 Farmington Highway No. 142 Farmington Highway 1933–present
No. 143 Scholls Highway No. 143 Scholls Highway 1933–present
No. 144 Beaverton–Tigard Highway No. 144 Beaverton–Tigard Highway 1960–present
No. 150 Salem–Dayton Highway No. 150 Salem–Dayton Highway 1933–present
No. 151 Yamhill–Newberg Highway No. 151 Yamhill–Newberg Highway 1933–present
No. 152 Three Mile Lane Highway No. 152 Three Mile Lane Highway 1933–1967
No. 153 Bellevue–Hopewell Highway No. 153 Bellevue–Hopewell Highway 1933–present
No. 154 Lafayette Highway No. 154 Lafayette Highway 1933–present
No. 155 Amity–Dayton Highway No. 155 Amity–Dayton Highway 1936–present
No. 156 McMinnville Highway No. 156 McMinnville Highway 1941–1999
No. 157 Willamina–Sheridan Highway No. 157 Willamina–Sheridan Highway 1959–present
No. 160 Cascade Highway South No. 160 Cascade Highway South Cascade Highway No. 160 Cascade Highway 1933–present
No. 161 Woodburn–Estacada Highway No. 161 Woodburn–Estacada Highway Woodburn–Mt. Hood Loop Highway No. 161 Woodburn–Mt. Hood Loop Highway
Woodburn–Sandy Highway No. 161 Woodburn–Sandy Highway
1933–present
No. 162 North Santiam Highway No. 162 North Santiam Highway 1933–present
No. 163 Silver Creek Falls Highway No. 163 Silver Creek Falls Highway 1933–present
No. 164 Jefferson Highway No. 164 Jefferson Highway 1945–present reused
No. 164 Butteville Road–Hubbard Highway No. 164 Butteville Road–Hubbard Highway 1936? This may have been OR 551 south of Arndt Road (formerly known as Butteville Road): [1][2]
No. 165 Aumsville–Mehama Highway No. 165 Aumsville–Mehama Highway 1961–1967
No. 170 Canby–Marquam Highway No. 170 Canby–Marquam Highway 1941–1994
No. 171 Clackamas Highway No. 171 Clackamas Highway 1947–present
No. 172 Eagle Creek–Sandy Highway No. 172 Eagle Creek–Sandy Highway 1947–present
No. 173 Timberline Highway No. 173 Timberline Highway 1950–present
No. 174 Clackamas–Boring Highway No. 174 Clackamas–Boring Highway 1977–present
No. 180 Eddyville–Blodgett Highway No. 180 Eddyville–Blodgett Highway 1933–present
No. 181 Siletz Highway No. 181 Siletz Highway 1933–present
No. 182 Otter Rock Highway No. 182 Otter Rock Highway 1947–2005
No. 189 Dallas–Rickreall Highway No. 189 Dallas–Rickreall Highway 1953–present
No. 190 Kings Valley Highway No. 190 Kings Valley Highway 1933–1944
No. 191 Kings Valley Highway No. 191 Kings Valley Highway Dallas–Kings Valley Highway No. 191 Dallas–Kings Valley Highway 1933–present
No. 192 Dallas–Coast Highway No. 192 Dallas–Coast Highway
Dallas–Dolph Corner Highway No. 192 Dallas–Dolph Corner Highway
1933–1963
No. 193 Independence Highway No. 193 Independence Highway 1933–present
No. 194 Monmouth Highway No. 194 Monmouth Highway 1944–present
No. 200 Territorial Highway No. 200 Territorial Highway 1933–present
No. 201 Alsea–Deadwood Highway No. 201 Alsea–Deadwood Highway 1933–present
No. 202 Tampico–Lewisville Highway No. 202 Tampico–Lewisville Highway 1936–1951
No. 210 Corvallis–Lebanon Highway No. 210 Corvallis–Lebanon Highway Corvallis–East Side Highway No. 210 Corvallis–East Side Highway 1933–present
No. 211 Albany–Lyons Highway No. 211 Albany–Lyons Highway 1933–present
No. 212 Halsey–Sweet Home Highway No. 212 Halsey–Sweet Home Highway 1933–present
No. 213 Mehama–Mill City Highway No. 213 Mehama–Mill City Highway 1943–1961
No. 214 Albany Airport Highway No. 214 Albany Airport Highway 1941–1958
No. 215 Clear Lake–Belknap Springs Highway No. 215 Clear Lake–Belknap Springs Highway 1955–present
No. 220 Eugene–Swisshome Highway No. 220 Eugene–Swisshome Highway
Richardson–Eugene Highway No. 220 Richardson–Eugene Highway
Mapleton–Eugene Highway No. 220 Mapleton–Eugene Highway
1933–1966
No. 221 Fox Hollow Highway No. 221 Fox Hollow Highway 1933–1955
No. 222 Springfield–Creswell Highway No. 222 Springfield–Creswell Highway Springfield–Cottage Grove Highway No. 222 Springfield–Cottage Grove Highway 1933–present
No. 223 Junction City–Eugene Highway No. 223 Junction City–Eugene Highway 1935–1994
No. 224 West 7th Street–West 11th Street Highway No. 224 West 7th Street–West 11th Street Highway 1940–1955
No. 225 McVay Highway No. 225 McVay Highway 1951?–present
No. 226 Goshen–Divide Highway No. 226 Goshen–Divide Highway 1957–present
No. 227 Eugene–Springfield Highway No. 227 Eugene–Springfield Highway 1955–present
No. 228 Springfield Highway No. 228 Springfield Highway 1960–present
No. 229 Mapleton–Junction City Highway No. 229 Mapleton–Junction City Highway 1966–present
No. 230 Tiller–Trail Highway No. 230 Tiller–Trail Highway 1933–present
No. 231 Elkton–Sutherlin Highway No. 231 Elkton–Sutherlin Highway 1933–present
No. 232 Crater Lake Highway North No. 232 Crater Lake Highway North 1937–1984
No. 233 West Diamond Lake Highway No. 233 West Diamond Lake Highway 1937–present
No. 234 Oakland–Shady Highway No. 234 Oakland–Shady Highway 1956–2006
No. 235 Dillard Highway No. 235 Dillard Highway 1957–1985
No. 236 Drain–Yoncalla Highway No. 236 Drain–Yoncalla Highway 1956–1985
No. 237 Myrtle Creek Highway No. 237 Myrtle Creek Highway 1959–1985
No. 240 Cape Arago Highway No. 240 Cape Arago Highway 1933–present
No. 241 Coos River Highway No. 241 Coos River Highway 1933–present
No. 242 Powers Highway No. 242 Powers Highway 1933–present
No. 243 Empire–Marshfield Highway No. 243 Empire–Marshfield Highway
Empire–Coos Bay Highway No. 243 Empire–Coos Bay Highway
1936–2003
No. 244 Coquille–Bandon Highway No. 244 Coquille–Bandon Highway 1957–present
No. 250 Cape Blanco Highway No. 250 Cape Blanco Highway 1933–present
No. 251 Port Orford Highway No. 251 Port Orford Highway 1933–present
No. 255 Carpenterville Highway No. 255 Carpenterville Highway 1999–present
No. 260 Rogue River Loop Highway No. 260 Rogue River Loop Highway 1933–present
No. 261 Williams Highway No. 261 Williams Highway 1933–1969
No. 270 Lake of the Woods Highway No. 270 Lake of the Woods Highway Little Butte Highway No. 270 Little Butte Highway 1933–present
No. 271 Sams Valley Highway No. 271 Sams Valley Highway 1933–present
No. 272 Jacksonville Highway No. 272 Jacksonville Highway Medford–Provolt Highway No. 272 Medford–Provolt Highway 1933–present
No. 273 Siskiyou Highway No. 273 Siskiyou Highway 1938–present
No. 280 Interstate Bridge Highway No. 280 Interstate Bridge Highway 1933–1937
No. 281 Hood River Highway No. 281 Hood River Highway 1933–present
No. 282 Odell Highway No. 282 Odell Highway 1940–present
No. 283 Cascade Locks Highway No. 283 Cascade Locks Highway 1964–1993
No. 284 Old Columbia River Drive Highway No. 284 Old Columbia River Drive Highway 1986–1993
No. 290 Sherars Bridge Highway No. 290 Sherars Bridge Highway 1933–present
No. 291 Shaniko–Fossil Highway No. 291 Shaniko–Fossil Highway 1933–present
No. 292 Mosier–The Dalles Highway No. 292 Mosier–The Dalles Highway 1955–present
No. 293 Antelope Highway No. 293 Antelope Highway 1971–present
No. 300 Wasco–Heppner Highway No. 300 Wasco–Heppner Highway 1933–present
No. 301 Celilo–Wasco Highway No. 301 Celilo–Wasco Highway Fulton Canyon–Wasco Highway No. 301 Fulton Canyon–Wasco Highway 1936–present
No. 320 Lexington–Echo Highway No. 320 Lexington–Echo Highway 1933–present
No. 321 Heppner–Spray Highway No. 321 Heppner–Spray Highway 1933–present
No. 330 Weston–Elgin Highway No. 330 Weston–Elgin Highway 1933–present
No. 331 Umatilla Mission Highway No. 331 Umatilla Mission Highway 1957–present reused
No. 331 Bingham Springs Highway No. 331 Bingham Springs Highway 1933–1936
No. 332 Sunnyside–Umapine Highway No. 332 Sunnyside–Umapine Highway 1933–present
No. 333 Hermiston Highway No. 333 Hermiston Highway 1933–present
No. 334 Athena–Holdman Highway No. 334 Athena–Holdman Highway Athena–Cold Springs Highway No. 334 Athena–Cold Springs Highway 1936–present
No. 335 Havana–Helix Highway No. 335 Havana–Helix Highway 1936–present
No. 336 Pendleton Airport Highway No. 336 Pendleton Airport Highway 1936–1950
No. 337 Stanfield–Pendleton Highway No. 337 Stanfield–Pendleton Highway 1938–1957
No. 338 Ordnance Depot Highway No. 338 Ordnance Depot Highway 1942–1972
No. 339 Freewater Highway No. 339 Freewater Highway 1946–present
No. 340 Medical Springs Highway No. 340 Medical Springs Highway 1933–present
No. 341 Ukiah–Hilgard Highway No. 341 Ukiah–Hilgard Highway Starkey Highway No. 341 Starkey Highway 1933–present
No. 342 Cove Highway No. 342 Cove Highway 1933–present
No. 343 La Grande–North Powder Highway No. 343 La Grande–North Powder Highway 1950–1973
No. 350 Little Sheep Creek Highway No. 350 Little Sheep Creek Highway 1933–present
No. 351 Joseph–Wallowa Lake Highway No. 351 Joseph–Wallowa Lake Highway 1937–present
No. 360 Madras–Prineville Highway No. 360 Madras–Prineville Highway Warm Springs Highway No. 360 Warm Springs Highway 1933–present
No. 361 Culver Highway No. 361 Culver Highway 1947–present
No. 370 O'Neil Highway No. 370 O'Neil Highway 1933–present
No. 371 Powell Butte Highway No. 371 Powell Butte Highway 1933–2005
No. 372 Century Drive Highway No. 372 Century Drive Highway 1933–present
No. 373 Cline Falls Highway No. 373 Cline Falls Highway 1933–1978
No. 374 Tumalo–Deschutes Highway No. 374 Tumalo–Deschutes Highway 1933–1978
No. 375 Redmond–Bend Highway No. 375 Redmond–Bend Highway 1937–1978
No. 380 Paulina Highway No. 380 Paulina Highway Crooked River Highway No. 380 Crooked River Highway
Crooked River–Paulina Highway No. 380 Crooked River–Paulina Highway
1933–present
No. 390 Service Creek–Mitchell Highway No. 390 Service Creek–Mitchell Highway 1933–present
No. 400 Canyon City–Burns Highway No. 400 Canyon City–Burns Highway 1933
No. 401 Beech Creek Highway No. 401 Beech Creek Highway 1933–1966
No. 402 Kimberly–Long Creek Highway No. 402 Kimberly–Long Creek Highway Monument Highway No. 402 Monument Highway 1933–present
No. 410 Sumpter Highway No. 410 Sumpter Highway Sumpter Valley Highway No. 410 Sumpter Valley Highway 1933–present
No. 411 Haines–Anthony Highway No. 411 Haines–Anthony Highway 1933–1980
No. 412 Robinette–Homestead Highway No. 412 Robinette–Homestead Highway 1936–1941
No. 413 Halfway–Cornucopia Highway No. 413 Halfway–Cornucopia Highway 1941–present
No. 414 Pine Creek Highway No. 414 Pine Creek Highway 1941–present
No. 415 Dooley Mountain Highway No. 415 Dooley Mountain Highway 1980–present
No. 420 Midland Highway No. 420 Midland Highway 1933–present
No. 421 Klamath Lake Highway No. 421 Klamath Lake Highway 1933–1958
No. 422 Chiloquin Highway No. 422 Chiloquin Highway 1933–present
No. 423 Lower Klamath Highway No. 423 Lower Klamath Highway 1937–1987
No. 424 South Klamath Falls Highway No. 424 South Klamath Falls Highway 1987–present reused
No. 424 Sand Creek Highway No. 424 Sand Creek Highway 1937–1952
No. 425 East Diamond Lake Highway No. 425 East Diamond Lake Highway 1937–2003
No. 426 Hatfield Highway No. 426 Hatfield Highway 1937–present
No. 427 Modoc Point Highway No. 427 Modoc Point Highway 1940–1987
No. 428 Sun Mountain Highway No. 428 Sun Mountain Highway 1948–1984
No. 429 Crescent Lake Highway No. 429 Crescent Lake Highway 1951–present
No. 430 Yellowstone Cut–off Highway No. 430 Yellowstone Cut–off Highway 1933
No. 431 Warner Highway No. 431 Warner Highway 1933–present
No. 440 Frenchglen Highway No. 440 Frenchglen Highway 1933–present
No. 441 Diamond Valley Highway No. 441 Diamond Valley Highway
Diamond Highway No. 441 Diamond Highway
1933–1966
No. 442 Steens Highway No. 442 Steens Highway Rome–Princeton Highway No. 442 Rome–Princeton Highway
Crane–Scotts Butte Highway No. 442 Crane–Scotts Butte Highway
1939–present
No. 449 Huntington Highway No. 449 Huntington Highway 1968–present
No. 450 Succor Creek Highway No. 450 Succor Creek Highway Jordan Valley Highway No. 450 Jordan Valley Highway
Nyssa–Adrian Highway No. 450 Nyssa–Adrian Highway
1933–present
No. 451 Vale–West Highway No. 451 Vale–West Highway Vale West Highway No. 451 Vale West Highway 1933–present
No. 452 Adrian–Parma Highway No. 452 Adrian–Parma Highway 1933–1971
No. 453 Adrian–Arena Valley Highway No. 453 Adrian–Arena Valley Highway 1933–present
No. 454 Adrian–Caldwell Highway No. 454 Adrian–Caldwell Highway 1933–present
No. 455 Olds Ferry–Ontario Highway No. 455 Olds Ferry–Ontario Highway 1956–present reused
No. 455 Homedale Spur Highway No. 455 Homedale Spur Highway 1933–1947
No. 456 I.O.N. Highway No. 456 I.O.N. Highway McDermitt–North Highway No. 456 McDermitt–North Highway 1933–present
No. 457 Malloy Ranch–Idaho Line Highway No. 457 Malloy Ranch–Idaho Line Highway 1934–1937
No. 458 Hooker Creek–Jordan Valley Highway No. 458 Hooker Creek–Jordan Valley Highway
Jordan Valley Highway No. 458 Jordan Valley Highway
1937–1966