List of named state highways in Oregon
This is a list of state highways in the U.S. state of Oregon, sorted by highway number and name. These numbers and names are not signed, and are rarely used by the public; instead the route numbers appear on signs and maps.
Included in this list are significant portions of signed routes that are not state-maintained. Those portions that were once state highways are listed under that number, while those that were never state highways are at the end of the list.
Highways with numbers over 100 are numbered by county, with each county having a range of ten numbers; for instance, Highways 330 to 339 are in Umatilla County.
List of state highways
Former state highways
- 3 Coast Highway: renumbered 9 Oregon Coast Highway in 1921
- 3 West Side Pacific Highway: renumbered 1W Pacific Highway West in 1937
- 3 Capitol Highway: A precursor of Pacific Highway West running from Portland to Salem
- 9 Pendleton-John Day Highway: renumbered 28 Pendleton-John Day Highway in 1921
- 13 Baker-Unity Highway: OR 7 and OR 245 from Baker to Unity, became part of new 71 Whitney Highway and new 415 Dooley Mountain Highway in 1980
- 14 Shaniko-Mitchell Highway: Shaniko to Mitchell, not built; cancelled in 1927
- 18 Lakeview-Burns Highway: Lakeview to Burns, not built ; cancelled in 1922
- 23 Klamath-Crater Lake Highway: OR 62 from Chiloquin to Crater Lake National Park, became part of 22 Crater Lake Highway in 1924
- 24 Rim Highway: around Crater Lake; cancelled by 1926
- 24 Burns-Crane Highway: OR 78 from Burns to Crane; created by 1926, combined with 442 Crane-Scotts Butte Highway to form 442 Steens Highway in 1965, with the section east to Crane becoming 442Y Steens Highway Spur; this spur was eliminated in 1966
- 27 Clackamas Highway: Oregon City to Pleasant Home, not built; cancelled by 1920
- 28 West Side Pacific Highway: renumbered 3 West Side Pacific Highway in 1921, and was renumbered 1W Pacific Highway West in 1937
- 31 Mt. Hood-Clear Lake Highway: Government Camp to Clear Lake; created in 1922; renumbered 44 Wapinitia Highway in 1922 as the old 31 was restored; now part of 53 Warm Springs Highway
- 34 Siuslaw Highway: portions became part of the new 62 Florence-Eugene Highway and rest renumbered new 229 Mapleton-Junction City Highway in 1966
- 37 Crooked River Highway: Prineville to Paulina, realigned and became part of 19 Lakeview-Bend Highway in 1922; now 380 Paulina Highway
- 37 Umatilla Cutoff Highway: US 730 from Umatilla to Washington, became part of 2 Columbia River Highway by 1931
- 38 Tiller-Summit Forest Road: Tiller to north of Trail, cancelled in 1922; later part of 230 Tiller-Trail Highway
- 39 Deschutes Highway: south from Celilo; cancelled by 1926
- 46 East Portland-Oregon City Highway: OR 99E from Portland to Oregon City, became part of 1E Pacific Highway East in 1937
- 50 Klamath Falls-Weed Highway: US 97 from Klamath Falls to California, became part of 4 The Dalles-California Highway by 1939
- 54 Boardman-Stanfield Highway: I-84 from east of Boardman to Stanfield, became part of 6 Old Oregon Trail Highway by 1954
- 55 Halfway Highway: east of Richland to Halfway, part renumbered 12Y Halfway Spur in 1959, rest abandoned
- 56 T.H. Banfield Freeway: I-84 in Portland, became part of 2 Columbia River Highway in 1957
- 57 Portland-Salem Expressway: I-5 from Portland to Salem, became part of 1 Pacific Highway in 1957
- 59 Sandy Boulevard Highway: former U.S. Route 30 Business in Portland; given to the city of Portland in 2003
- 65 Salem Freeway Highway: not built ; cancelled in 1975 due to community opposition
- 73 North Umpqua Highway: OR 138 from Roseburg to Crater Lake National Park north entrance, combined with 425 East Diamond Lake Highway to become the new 138 North Umpqua Highway in 2003
- 121 Lombard Street Highway, Lombard Street from Union Avenue to Columbia Boulevard in Portland; cancelled in 1942, with the western section becoming part of the 123 Northeast Portland Highway
- 122 Vancouver Avenue Highway, Columbia Boulevard to Union Avenue in Portland; cancelled in 1986, with the Schmeer Road connection becoming part of the 1E Pacific Highway East
- 124 Sundial Highway: Sundial Road from Columbia River Highway to the Columbia River; cancelled in 1965
- 125 Crown Point Highway: now 100 Historic Columbia River Highway west of Dodson; became part of 100 Historic Columbia River Highway in 1993
- 152 Three Mile Lane Highway: OR 18 from McMinnville to northeast of Dayton, most became part of 39 Salmon River Highway in 1967, and the rest became 39Y McMinnville Spur
- 156 McMinnville Highway: Lafayette Avenue in McMinnville; cancelled in 1999
- 164 Butteville Road-Hubbard Highway; cancelled by 1937
- 165 Aumsville-Mehama Highway: old 162 North Santiam Highway from Aumsville to Mehama; created in 1961; cancelled in 1967
- 170 Canby-Marquam Highway: Canby to west of Molalla; cancelled in 1994
- 182 Otter Rock Highway: US 101 north of Newport to Devils Punch Bowl State Natural Area; created in 1947, cancelled in 2005
- 190 Kings Valley Highway: south of Monmouth to Wren, portions became part of 191 Kings Valley Highway in 1944 and the rest was cancelled that day
- 192 Dallas-Coast Highway: OR 22 from Dallas to Wallace Bridge, portion became part of 30 Willamina-Salem Highway in 1953; part became a portion of 191 Kings Valley Highway in 1963 and the rest was cancelled that day
- 202 Tampico-Lewisville Highway, north of Corvallis to Lewisville; cancelled in 1951, given to Benton County
- 213 Mehama-Mill City Highway, Mehama to Mill City; cancelled in 1961; portions given to Linn COunty; portions became part of 211 Albany-Lyons Highway, and a portion redesignated as a connection to the 162 North Santiam Highway
- 214 Albany Airport Highway: Airport Road from OR 99E to US 20, became a service road as part of 1 Pacific Highway in 1958
- 220 Mapleton-Eugene Highway: OR 126 from Mapleton to Eugene, became part of the new 62 Florence-Eugene Highway in 1966
- 221 Fox Hollow Highway: Eugene to north of Walker Station; cancelled in 1955
- 223 Junction City-Eugene Highway: River Road from Junction City to Eugene; cancelled in 1994
- 224 West 7th Street-West 11th Street Highway: OR 99 to OR 126 in Eugene; cancelled in 1955
- 232 Crater Lake North Highway: former OR 209, Crater Lake National Park to south of Diamond Lake; cancelled in 1984; part became a portion of the 425 East Diamond Lake Highway, and rest given to the National Park Service
- 234 Oakland-Shady Highway: still carries OR 99, but stopped being state-maintained in 2006; formerly signed as OR 235
- 235 Dillard Highway: still carries OR 99, but stopped being state-maintained in 1985; formerly signed as OR 235
- 236 Drain-Yoncalla Highway: still carries OR 99, but stopped being state-maintained in 1985; formerly signed as OR 235
- 237 Myrtle Creek Highway: cancelled in 1985, but stopped being state-maintained later; formerly signed as OR 235
- 243 Empire-Coos Bay Highway: Empire to Coos Bay; cancelled in 2003
- 261 Williams Highway: Grants Pass to Siskiyou National Forest, part eliminated and rest became part of 272 Jacksonville Highway in 1969
- 280 Interstate Bridge Highway: Hood River-White Salmon Bridge approach; cancelled in 1937
- 283 Cascade Locks Highway: US 30 through Cascade Locks; became part of 100 Historic Columbia River Highway in 1993
- 284 Old Columbia River Drive Highway: east from Hood River; became part of 100 Historic Columbia River Highway in 1993
- 331 Bingham Springs Highway: east of Pendleton to Bingham Springs; cancelled in 1936
- 336 Pendleton Airport Highway: spur from US 30 to Eastern Oregon Regional Airport; cancelled in 1950
- 337 Stanfield-Pendleton Highway: old 6 Old Oregon Trail Highway from Stanfield to Pendleton; cancelled in 1957
- 338 Ordnance Depot Highway: spur from I-84 to Umatilla Ordnance Depot; cancelled in 1972
- 343 La Grande-North Powder Highway: most became part of 66 La Grande-Baker Highway in 1968; rest cancelled in 1973
- 371 Powell Butte Highway: Powell Butte to east of Bend; cancelled in 2005
- 373 Cline Falls Highway: Tumalo to Cline Falls; cancelled in 1978
- 374 Tumalo-Deschutes Highway: Tumalo to Deschutes Station; cancelled in 1978
- 375 Redmond-Bend Highway: old 4 The Dalles-California Highway from Redmond to Bend; cancelled in 1978
- 400 Canyon City-Burns Highway: John Day to Burns, renumbered 48 John Day-Burns Highway in 1933
- 401 Beech Creek Highway: north from Mt. Vernon, became part of 28 Pendleton-John Day Highway in 1966
- 411 Haines-Anthony Highway: Haines to Wallowa-Whitman National Forest; cancelled in 1980
- 412 Robinette-Homestead Highway: west of Robinette to Homestead, became part of 12 Baker-Homestead Highway in 1941
- 421 Klamath Lake Highway: Fort Klamath to Klamath Falls, portions became part of 270 Lake of the Woods Highway and rest cancelled in 1958
- 423 Lower Klamath Highway: south of Midland to southeast of Klamath Falls; cancelled in 1987
- 424 Sand Creek Highway: former OR 232; spur from 4 The Dalles-California Highway to Crater Lake National Park; transferred to the US Forest Service in 1952
- 425 East Diamond Lake Highway: OR 138 from Crater Lake National Park north entrance to south of Chemult, combined with 73 North Umpqua Highway to become the new 138 North Umpqua Highway in 2003
- 427 Modoc Point Highway: Klamath Agency to Modoc Point; cancelled in 1987
- 428 Sun Mountain Highway: former OR 232; old 4 The Dalles-California Highway north of Fort Klamath; cancelled in 1984
- 430 Yellowstone Cut-off Highway: Riley to Valley Falls, renumbered 49 Lakeview-Burns Highway in 1933
- 441 Diamond Valley Highway: Crane to north of Frenchglen; cancelled in 1966
- 452 Adrian-Parma Highway: OR 452 from south of Adrian to Idaho, redesignated as 450Y Parma Spur in 1971
- 455 Homedale Spur Highway: OR 201 from west of Homedale, ID to Idaho, redesignated as 450 Homedale Spur in 1947
- 457 Malloy Ranch-Idaho Line Highway: north of Jordan Valley to Idaho; became part of 456 I.O.N. Highway in 1937
- 458 Jordan Valley Highway: loop off 456 I.O.N. Highway through Jordan Valley; became part of rerouted 456 I.O.N. Highway in 1966