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| Ohio State Routes | |
|---|---|
   Typicalhighway markers | |
 Map of all Ohio highways
| |
| System information | |
| Formed | 1912, renumbered in 1923,1927,1962 |
| State | State Route nn (SR nn) |
| System links | |
| |
State Routes inOhio are owned by the state, and maintained by the state except in cities (seeNumbered highways in Ohio). They are signed with a white silhouette of Ohio against a black background.
.svg) .svg) .svg) | Marker design in use from the early 1920s to 1926 |
.svg) .svg) .svg) | Marker design in use from 1927 to 1948 |
.svg) .svg) .svg) | Marker design in use from 1948 to 1961 |
.svg) .svg) .svg) | Marker design in use from 1962 to 1966 |
  .svg) | Marker design in use from 1967 to 1970 |
| Marker design used in Ohio since 1971 |
| Date ranges are approximate |
| Number | Length (mi)[1] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | ||
|---|---|---|---|---|---|---|---|---|
 SR 1 | 227.77 | 366.56 | New Paris | Bridgeport | 01912-01-011912 | 01926-01-011926 | ||
 SR 1 | 353.15 | 568.34 | I-75 at the Kentucky state line in Cincinnati | I-90 at the Pennsylvania state line in Conneaut | 01961-01-011961 | 01965-01-011965 | ||
 SR 2 | 227.13 | 365.53 | SR 37 inHicksville Township | US 20 inPainesville Township | 01912-01-011912 | current | ||
 SR 3 | 255.52 | 411.22 | US 27/US 42/US 52/US 127 inCincinnati | US 6/US 20/US 42/US 322/US 422 inCleveland | 01923-01-011923 | current | ||
 SR 4 | 207.22 | 333.49 | US 42 inCincinnati | US 6/SR 101 inSandusky | 01912-01-011912 | current | ||
 SR 5 | — | — | Delphos | Wooster | 01923-01-011923 | 01931-01-011931 | ||
 SR 5 | 51.24 | 82.46 | I-76/SR 44 inRootstown Township | PA 58 atPennsylvania state line inKinsman Township | 01932-01-011932 | current | ||
 SR 6 | — | — | Cincinnati | Toledo | 01923-01-011923 | 01926-01-011926 | ||
 SR 6 | — | — | Bridgeport | Norwalk | 01926-01-011926 | 01928-01-011928 | ||
| SR 6 | — | — | Cleveland | Painesville | 01929-01-011929 | 01931-01-011931 | ||
 SR 7 | 335.98 | 540.71 | US 52 inUnion Township | SR 531 inConneaut | 01912-01-011912 | current | ||
 SR 8 | 38.39 | 61.78 | I-76/I-77 inAkron | US 6/US 20/US 42/US 322/US 422 inCleveland | 01923-01-011923 | current | ||
 SR 9 | — | — | Cincinnati | Pioneer | 01923-01-011923 | 01930-01-011930 | ||
 SR 9 | 92.51 | 148.88 | SR 148 inWashington Township | US 62 inSalem | 01934-01-011934 | current | ||
 SR 10 | — | — | Delphos | Plain Township | 01923-01-011923 | 01926-01-011926 | ||
 SR 10 | — | — | Washington Court House | Zanesville | 01926-01-011926 | 01931-01-011931 | ||
| SR 10 | — | — | Aberdeen | Toledo | 01932-01-011932 | 01932-01-011932 | ||
 SR 10 | 23.64 | 38.04 | US 20/SR 57/SR 301 inEaton Township | US 422 inCleveland | 01934-01-011934 | current | ||
 SR 11 | — | — | Gallipolis | New Paris | 01923-01-011923 | 01935-01-011935 | ||
 SR 11 | 99.60 | 160.29 | US 30 inEast Liverpool | SR 531 inAshtabula | 01967-01-011967 | current | ||
 SR 12 | 60.84 | 97.91 | SR 115/SR 189 inSugar Creek Township | SR 53 inBallville Township | 01923-01-011923 | current | ||
 SR 13 | — | — | Bridgeport | Cleveland | 01923-01-011923 | 01926-01-011926 | ||
 SR 13 | 166.15 | 267.39 | SR 550 inAthens Township | US 6 inHuron | 01926-01-011926 | current | ||
 SR 14 | 81.53 | 131.21 | US 6/US 20/US 42/US 322/US 422 inCleveland | PA 51 atPennsylvania state line inUnity Township | 01923-01-011923 | current | ||
 SR 15 | — | — | Cleveland | Williamsfield | 01912-01-011912 | 01926-01-011926 | ||
 SR 15 | 102.31 | 164.65 | US 23/SR 103 inCarey | M-99 atMichigan state line inMadison Township | 01926-01-011926 | current | ||
 SR 16 | — | — | Cleveland | Coitsville Township | 01923-01-011923 | 01926-01-011926 | ||
 SR 16 | 70.46 | 113.39 | US 40/Civic Center Drive inColumbus | US 36 inJackson Township | 01926-01-011926 | current | ||
 SR 17 | — | — | Harrison Township | Lowellville | 01923-01-011923 | 01933-01-011933 | ||
 SR 17 | 21.04 | 33.86 | SR 10 inNorth Olmsted | SR 43 inBedford Heights | 01935-01-011935 | current | ||
 SR 18 | 197.36 | 317.62 | SR 8 atIndiana state line inHicksville Township | SR 91 inAkron | 01923-01-011923 | current | ||
 SR 19 | — | — | Columbus | Masury | 01923-01-011923 | 01931-01-011931 | ||
 SR 19 | 86.48 | 139.18 | US 42 inCongress Township | SR 2 inCarroll Township | 01932-01-011932 | current | ||
 SR 20 | — | — | Columbus | East Liverpool | 01923-01-011923 | 01926-01-011926 | ||
 SR 21 | — | — | Columbus | Findlay | 01923-01-011923 | 01926-01-011926 | ||
 SR 21 | 59.77 | 96.19 | US 250 inFranklin Township | I-77 inCuyahoga Heights | 01971-01-011971 | current | ||
 SR 22 | — | — | Marion | Indiana state line | 01923-01-011923 | 01926-01-011926 | ||
 SR 23 | — | — | Columbia | Lacarne | 01923-01-011923 | 01926-01-011926 | ||
 SR 24 | — | — | Hillsboro | Pomeroy | 01923-01-011923 | 01926-01-011926 | ||
 SR 25 | — | — | Cincinnati | Friendship | 01923-01-011923 | 01926-01-011926 | ||
 SR 25 | 34.98 | 56.29 | I-75 inHenry Township | I-280 inToledo | 01973-01-011973 | current | ||
 SR 26 | 66.91 | 107.68 | SR 7 inMarietta | SR 148 inWayne Township | 01923-01-011923 | current | ||
 SR 27 | — | — | Cincinnati | Logan | 01923-01-011923 | 01926-01-011926 | ||
 SR 28 | — | — | Cincinnati | West Jefferson | 01923-01-011923 | 01926-01-011926 | ||
 SR 28 | 69.82 | 112.36 | US 50 inMilford | US 50 inTwin Township | 01926-01-011926 | current | ||
 SR 29 | 102.94 | 165.67 | SR 67 atIndiana state line inWashington Township | US 40 inWest Jefferson | 01923-01-011923 | current | ||
 SR 30 | — | — | Chauncey | Sandusky | 01923-01-011923 | 01926-01-011926 | ||
 SR 31 | — | — | Antwerp | Toledo | 01923-01-011923 | 01926-01-011926 | ||
 SR 31 | 32.12 | 51.69 | SR 38 inMarysville | US 68 inKenton | 01926-01-011926 | current | ||
 SR 32 | — | — | Washington Township | Marysville | 01923-01-011923 | 01937-01-011937 | ||
 SR 32 | 182.71 | 294.04 | US 50/SR 561 inCincinnati | WV 618 atWest Virginia state line inBelpre | 01962-01-011962 | current | ||
 SR 33 | — | — | Lima | Chesterfield Township | 01923-01-011923 | 01937-01-011937 | ||
 SR 34 | 31.97 | 51.45 | SR 427 atIndiana state line inFlorence Township | US 6 inRidgeville Township | 01923-01-011923 | current | ||
 SR 35 | — | — | Malaga | Salem | 01923-01-011923 | 01934-01-011934 | ||
 SR 36 | — | — | Wooster | Kinsman Township | 01923-01-011923 | 01931-01-011931 | ||
 SR 37 | 174.21 | 280.36 | US 224/SR 12 inFindlay | SR 60/SR 78 inMcConnelsville | 01923-01-011923 | current | ||
 SR 38 | 48.67 | 78.33 | US 62/SR 3 inUnion Township | SR 31 inMarysville | 01923-01-011923 | current | ||
 SR 39 | 154.11 | 248.02 | SR 103 inAuburn Township | PA 68 atPennsylvania state line inEast Liverpool | 01923-01-011923 | current | ||
 SR 40 | — | — | Washington Court House | Zanesville | 01923-01-011923 | 01926-01-011926 | ||
 SR 41 | 155.21 | 249.79 | US 52/US 62 Bus./US 68 Bus. inAberdeen | US 36/SR 48 inCovington | 01923-01-011923 | current | ||
 SR 42 | — | — | Marion | Liberty Township | 01923-01-011923 | 01926-01-011926 | ||
 SR 43 | 122.57 | 197.26 | SR 7 inSteubenville | US 6/US 20/US 42/US 322/US 422 inCleveland | 01923-01-011923 | current | ||
 SR 44 | 81.23 | 130.73 | SR 43 inSandy Township | Headlands Beach State Park inPainesville Township | 01923-01-011923 | current | ||
 SR 45 | 96.56 | 155.40 | SR 7/SR 39 inWellsville | SR 531 inSaybrook Township | 01923-01-011923 | current | ||
 SR 46 | 76.66 | 123.37 | SR 170/SR 558 inEast Palestine | SR 11 inPlymouth Township | 01923-01-011923 | current | ||
 SR 47 | — | — | Union Township | Findlay | 01923-01-011923 | 01931-01-011931 | ||
 SR 47 | 105.23 | 169.35 | SR 32 atIndiana state line inUnion City | SR 98/SR 423 inWaldo | 01933-01-011933 | current | ||
 SR 48 | — | — | Fly | Dennison | 01923-01-011923 | 01926-01-011926 | ||
 SR 48 | 83.03 | 133.62 | SR 132 inGoshen Township | SR 66 inLoramie Township | 01926-01-011926 | current | ||
 SR 49 | — | — | Cambridge | Steubenville | 01923-01-011923 | 01926-01-011926 | ||
 SR 49 | 153.06 | 246.33 | US 35 inTrotwood | M-49 atMichigan state line inNorthwest Township | 01926-01-011926 | current | ||
 SR 50 | — | — | Lebanon | Newberry Township | 01923-01-011923 | 01926-01-011926 | ||
 SR 51 | — | — | Dayton | Greenville | 01923-01-011923 | 01934-01-011934 | ||
 SR 51 | 30.73 | 49.46 | US 20 inWashington Township | US 23 /US 223/SR 184 inSylvania | 01955-01-011955 | current | ||
 SR 52 | — | — | Middletown | Irwin | 01923-01-011923 | 01926-01-011926 | ||
 SR 53 | 92.75 | 149.27 | US 68/SR 67 inKenton | Ferry toSouth Bass Island inCatawba Island Township | 01923-01-011923 | current | ||
 SR 54 | 22.97 | 36.97 | SR 41 inHarmony Township | US 36/SR 29 inUrbana | 01938-01-011938 | current | ||
 SR 55 | 37.87 | 60.95 | SR 571 inUnion Township | US 68 inUrbana | 01923-01-011923 | current | ||
 SR 56 | 108.74 | 175.00 | SR 29 inUnion Township | SR 682 inAthens | 01923-01-011923 | current | ||
 SR 57 | 61.22 | 98.52 | US 30 inEast Union Township | US 6 inLorain | 01938-01-011938 | current | ||
 SR 58 | 41.63 | 67.00 | US 250 inAshland | US 6 inLorain | 01923-01-011923 | current | ||
 SR 59 | — | — | Bellevue | Elyria | 01923-01-011923 | 01938-01-011938 | ||
 SR 59 | 22.66 | 36.47 | I-76/I-77 inAkron | SR 5 inRavenna Township | 01969-01-011969 | current | ||
 SR 60 | 189.92 | 305.65 | WV 31 atWest Virginia state line inMarietta | US 6 inVermilion | 01923-01-011923 | current | ||
 SR 61 | 91.16 | 146.71 | US 36/SR 3 inSunbury | US 6 inBerlin Township | 01923-01-011923 | current | ||
 SR 62 | — | — | Galion | Oak Harbor | 01923-01-011923 | 01931-01-011931 | ||
 SR 63 | — | — | Carey | Sylvania | 01923-01-011923 | 01926-01-011926 | ||
 SR 63 | 11.74 | 18.89 | SR 4 inMonroe | US 42/SR 48/SR 123 inLebanon | 01926-01-011926 | current | ||
 SR 64 | 36.47 | 58.69 | I-75/SR 105 inBowling Green | Loar Highway inAmboy Township | 01923-01-011923 | current | ||
 SR 65 | 115.84 | 186.43 | SR 47 inSalem Township | I-280 inToledo | 01923-01-011923 | current | ||
 SR 66 | 118.60 | 190.87 | US 36 inPiqua | US 20 inFayette | 01923-01-011923 | current | ||
 SR 67 | 84.78 | 136.44 | US 33 inWapakoneta | SR 18/SR 19 inRepublic | 01923-01-011923 | current | ||
 SR 68 | — | — | Union City | Waldo | 01923-01-011923 | 01932-01-011932 | ||
 SR 69 | — | — | Dayton | Tontogany | 01923-01-011923 | 01968-01-011968 | ||
 SR 70 | — | — | Cynthiana | Covington | 01923-01-011923 | 01962-01-011962 | ||
 SR 71 | — | — | Union City | Crystal Lakes | 01923-01-011923 | 01962-01-011962 | ||
 SR 72 | 53.26 | 85.71 | US 62 inPenn Township | SR 334 inMoorefield Township | 01923-01-011923 | current | ||
 SR 73 | 134.80 | 216.94 | US 27 inOxford | US 23/SR 104 inPortsmouth | 01923-01-011923 | current | ||
 SR 74 | — | — | Cincinnati | Franklin Township | 01923-01-011923 | 01962-01-011962 | ||
 SR 75 | — | — | Ironton | Stone Creek | 01923-01-011923 | 01962-01-011962 | ||
 SR 76 | — | — | Belpre | Avon Lake | 01923-01-011923 | 01972-01-011972 | ||
 SR 77 | — | — | Marietta | Shreve | 01923-01-011923 | 01962-01-011962 | ||
 SR 78 | 104.96 | 168.92 | US 33/SR 691 inNelsonville | SR 7 inClarington | 01923-01-011923 | current | ||
 SR 79 | 45.65 | 73.47 | SR 37 onWalnut–Union township line | US 36 inNellie | 01923-01-011923 | current | ||
 SR 80 | — | — | Sandyville | Edinburg | 01923-01-011923 | 01962-01-011962 | ||
 SR 81 | — | — | Brentwood Lake | Aurora | 01923-01-011923 | 01926-01-011926 | ||
 SR 81 | 70.49 | 113.44 | SR 124 atIndiana state line inWillshire Township | SR 53 inPatterson | 01926-01-011926 | current | ||
 SR 82 | 88.56 | 142.52 | SR 57 inCarlisle Township | US 62 inBrookfield Township | 01923-01-011923 | current | ||
 SR 83 | — | — | Ashtabula | Monroe Township | 01923-01-011923 | 01957-01-011957 | ||
 SR 83 | 157.37 | 253.26 | SR 60 inWaterford Township | US 6 inAvon Lake | 01972-01-011972 | current | ||
 SR 84 | 63.34 | 101.94 | US 6/US 20 inEuclid | PA 226 atPennsylvania state line inMonroe Township | 01923-01-011923 | current | ||
 SR 85 | 2.66 | 4.28 | US 6/SR 7 inAndover | PA 285 atPennsylvania state line inAndover Township | 01923-01-011923 | current | ||
 SR 86 | 21.98 | 35.37 | US 20 inPainesville | SR 534 inWindsor Township | 01923-01-011923 | current | ||
 SR 87 | 60.32 | 97.08 | US 6/US 20/US 42/US 322/US 422 inCleveland | SR 5/SR 7 inKinsman Township | 01923-01-011923 | current | ||
 SR 88 | 48.24 | 77.63 | SR 59 inRavenna | PA 358 atPennsylvania state line inVernon Township | 01923-01-011923 | current | ||
 SR 89 | — | — | Canton | Aurora | 01923-01-011923 | 01926-01-011926 | ||
 SR 89 | 18.42 | 29.64 | SR 95 inMohican Township | SR 58 inJackson Township | 01926-01-011926 | current | ||
 SR 90 | — | — | Petersburg | North Kingsville | 01923-01-011923 | 01962-01-011962 | ||
 SR 91 | 44.12 | 71.00 | US 224 inSpringfield Township | SR 283 onTimberlake–Eastlake municipal line | 01912-01-011912 | current | ||
 SR 92 | — | — | Ghent | Ghent | 01923-01-011923 | 01936-01-011936 | ||
 SR 93 | 232.46 | 374.11 | US 52 inUpper Township | SR 261 inAkron | 01923-01-011923 | current | ||
 SR 94 | 54.50 | 87.71 | US 250/SR 241 inMount Eaton | US 42/SR 3 inCleveland | 01923-01-011923 | current | ||
 SR 95 | — | — | Strasburg | Wooster | 01923-01-011923 | 01926-01-011926 | ||
 SR 95 | 89.04 | 143.30 | SR 37 inLa Rue | SR 3 inWooster Township | 01926-01-011926 | current | ||
 SR 96 | 35.93 | 57.82 | SR 98 inLiberty Township | US 42/US 250 inAshland | 01923-01-011923 | current | ||
 SR 97 | 34.60 | 55.68 | SR 19/SR 61/SR 309 inGalion | SR 3 inHanover Township | 01923-01-011923 | current | ||
 SR 98 | 46.18 | 74.32 | SR 47/SR 423 inWaldo | SR 61 inPlymouth | 01923-01-011923 | current | ||
 SR 99 | 22.61 | 36.39 | US 224 inWillard | SR 4 inGroton Township | 01923-01-011923 | current | ||
 SR 100 | 38.95 | 62.68 | SR 309 inTully Township | SR 53 inTiffin | 01923-01-011923 | current | ||
 SR 101 | 34.79 | 55.99 | SR 18/SR 53 inTiffin | US 6 inSandusky | 01923-01-011923 | current | ||
 SR 102 | — | — | Elmore | Toledo | 01923-01-011923 | 01939-01-011939 | ||
 SR 102 | — | — | Toledo | Michigan | 01946-01-011946 | 01949-01-011949 | ||
 SR 103 | 77.02 | 123.95 | I-75 inRichland Township | SR 61 inNew Haven Township | 01923-01-011923 | current | ||
 SR 104 | 95.17 | 153.16 | US 23/SR 73 inPortsmouth | US 33 inColumbus | 01923-01-011923 | current | ||
 SR 105 | 28.39 | 45.69 | I-75/SR 64 inBowling Green | SR 19 /SR 163 inOak Harbor | 01923-01-011923 | current | ||
 SR 106 | — | — | Gomer | Findlay | 01923-01-011923 | 01937-01-011937 | ||
 SR 107 | 11.05 | 17.78 | SR 49 inFlorence Township | US 20A/SR 15 inJefferson Township | 01923-01-011923 | current | ||
 SR 108 | — | — | Hicksville Township | Bryan | 01923-01-011923 | 01936-01-011936 | ||
 SR 108 | 49.21 | 79.20 | SR 15 inGreensburg Township | M-156 atMichigan state line inChesterfield Township | 01938-01-011938 | current | ||
 SR 109 | — | — | Harrison Township | Ottawa | 01923-01-011923 | 01926-01-011926 | ||
 SR 109 | 52.96 | 85.23 | US 224/SR 15/SR 65 inOttawa | M-52 atMichigan state line inRoyalton Township | 01926-01-011926 | current | ||
 SR 110 | 10.70 | 17.22 | SR 108 inNapoleon | SR 65 inDamascus Township | 01923-01-011923 | current | ||
 SR 111 | 31.49 | 50.68 | Woodburn Road/State Line Road inHarrison Township | SR 15/SR 18/SR 66 inDefiance | 01923-01-011923 | current | ||
 SR 112 | — | — | Sylvania | Toledo | 01923-01-011923 | 01926-01-011926 | ||
 SR 112 | — | — | Portsmouth | Waverly | 01926-01-011926 | 01950-01-011950 | ||
 SR 112 | — | — | Toledo | Toledo | 01965-01-011965 | 01973-01-011973 | ||
 SR 113 | 59.64 | 95.98 | US 20/SR 18/SR 269 inBellevue | US 6/US 20/SR 2 inLakewood | 01923-01-011923 | current | ||
 SR 114 | 32.99 | 53.09 | State Line Road inBenton Township | US 224/SR 115 inKalida | 01923-01-011923 | current | ||
 SR 115 | 21.65 | 34.84 | SR 65 inLima | SR 15 inPalmer Township | 01923-01-011923 | current | ||
 SR 116 | 30.81 | 49.58 | SR 29/SR 66/SR 703 inSt. Marys | US 127 inVan Wert | 01923-01-011923 | current | ||
 SR 117 | 59.57 | 95.87 | SR 118 inDublin Township | US 33 inMcArthur Township | 01923-01-011923 | current | ||
 SR 118 | 55.26 | 88.93 | SR 49/SR 121/SR 502/SR 571 inGreenville | US 127 inVan Wert | 01923-01-011923 | current | ||
 SR 119 | 41.94 | 67.50 | SR 26 atIndiana state line inRecovery Township | SR 65 inJackson Township | 01923-01-011923 | current | ||
 SR 120 | — | — | Brock | Piqua | 01923-01-011923 | 01939-01-011939 | ||
 SR 120 | 37.72 | 60.70 | Morenci Road inChesterfield Township | SR 65 inToledo | 01940-01-011940 | current | ||
 SR 121 | 35.94 | 57.84 | SR 121 atIndiana state line inJefferson Township | SR 47/SR 185 inVersailles | 01923-01-011923 | current | ||
 SR 122 | 43.26 | 69.62 | OldSR 122 atIndiana state line onDixon–Jackson township line | SR 48 inClearcreek Township | 01923-01-011923 | current | ||
 SR 123 | 43.61 | 70.18 | SR 251 inPerry Township | SR 4 inGerman Township | 01923-01-011923 | current | ||
 SR 124 | — | — | Sharonville | Franklin | 01923-01-011923 | 01926-01-011926 | ||
 SR 124 | 165.51 | 266.36 | SR 134 inClark Township | US 50/SR 7/SR 32 inTroy Township | 01926-01-011926 | current | ||
 SR 125 | — | — | Monroe | Lebanon | 01923-01-011923 | 01926-01-011926 | ||
 SR 125 | 85.79 | 138.07 | US 50/SR 561 inCincinnati | US 52 inNile Township | 01926-01-011926 | current | ||
 SR 126 | — | — | Hamilton | College Corner | 01923-01-011923 | 01926-01-011926 | ||
 SR 126 | 41.18 | 66.27 | SR 252 atIndiana state line onReily–Monroe township line | US 50/SR 28 inMilford | 01926-01-011926 | current | ||
 SR 127 | — | — | Scipio | Hamilton | 01923-01-011923 | 01926-01-011926 | ||
 SR 128 | 22.53 | 36.26 | US 50 inCleves | SR 4/SR 129/SR 177 inHamilton | 01923-01-011923 | current | ||
 SR 129 | — | — | Scipio | Cincinnati | 01923-01-011923 | 01926-01-011926 | ||
 SR 129 | 25.86 | 41.62 | SR 126 inMorgan Township | I-75 inLiberty Township | 01926-01-011926 | current | ||
 SR 130 | — | — | Harrison | Cheviot | 01923-01-011923 | 01926-01-011926 | ||
 SR 130 | 4.72 | 7.60 | US 27 inHanover Township | SR 177 inHamilton | 01926-01-011926 | current | ||
 SR 131 | 29.98 | 48.25 | US 50 inMilford | SR 138 inHamer Township | 01923-01-011923 | current | ||
 SR 132 | 40.52 | 65.21 | US 52 inNew Richmond | SR 133/SR 350 inClarksville | 01923-01-011923 | current | ||
 SR 133 | 49.45 | 79.58 | US 52 inFranklin Township | SR 132/SR 350 inClarksville | 01923-01-011923 | current | ||
 SR 134 | 41.21 | 66.32 | SR 32 inSardinia | Main Street inPort William | 01923-01-011923 | current | ||
 SR 135 | 2.82 | 4.54 | US 50 inDodson Township | SR 134 inLynchburg | 01923-01-011923 | current | ||
 SR 136 | 32.35 | 52.06 | US 52 inManchester | US 62 inNew Market Township | 01923-01-011923 | current | ||
 SR 137 | 3.56 | 5.73 | SR 136 inCherry Fork | SR 247 inWayne Township | 01923-01-011923 | current | ||
 SR 138 | 60.37 | 97.16 | SR 134 inClay Township | US 22 inWayne Township | 01923-01-011923 | current | ||
 SR 139 | 33.99 | 54.70 | US 52 inNew Boston | SR 93 inJackson | 01923-01-011923 | current | ||
 SR 140 | 20.74 | 33.38 | US 52 inPortsmouth | SR 93 inJefferson Township | 01923-01-011923 | current | ||
 SR 141 | 44.97 | 72.37 | US 52 inIronton | SR 7 inGallipolis | 01923-01-011923 | current | ||
 SR 142 | — | — | Kerr | Hamden | 01923-01-011923 | 01926-01-011926 | ||
 SR 142 | 13.66 | 21.98 | US 42/SR 38/SR 56/SR 665 inLondon | I-70 inJefferson Township | 01926-01-011926 | current | ||
 SR 143 | 20.15 | 32.43 | SR 7 inSalisbury Township | US 50 inLee Township | 01923-01-011923 | current | ||
 SR 144 | 14.61 | 23.51 | SR 124 inTroy Township | SR 329 inRome Township | 01923-01-011923 | current | ||
 SR 145 | 46.14 | 74.26 | SR 821 inLower Salem | SR 148 inWashington Township | 01923-01-011923 | current | ||
 SR 146 | 65.25 | 105.01 | SR 16 inHanover Township | SR 78 inSummerfield | 01923-01-011923 | current | ||
 SR 147 | 58.19 | 93.65 | SR 78 inCenter Township | SR 7 inPultney Township | 01923-01-011923 | current | ||
 SR 148 | 26.97 | 43.40 | SR 800 inWarren Township | SR 7 inPowhatan Point | 01923-01-011923 | current | ||
 SR 149 | 36.09 | 58.08 | SR 7 inBellaire | SR 9 inAthens Township | 01923-01-011923 | current | ||
 SR 150 | 13.30 | 21.40 | US 250 inMount Pleasant Township | SR 7 inRayland | 01923-01-011923 | current | ||
 SR 151 | 43.06 | 69.30 | US 250 inMonroe Township | SR 7 inSteubenville Township | 01923-01-011923 | current | ||
 SR 152 | 20.20 | 32.51 | SR 150 inDillonvale | SR 151 inSmithfield | 01923-01-011923 | current | ||
| SR 152 | 6.18 | 9.95 | US 22 inBloomingdale | SR 7 inEmpire | 01943-01-011943 | current | ||
 SR 153 | — | — | Wellsville | West Point | 01923-01-011923 | 01931-01-011931 | ||
 SR 153 | 14.69 | 23.64 | SR 43 inCanton | SR 183 inWashington Township | 01932-01-011932 | current | ||
 SR 154 | 16.27 | 26.18 | US 30/SR 45/SR 164/SR 517 inLisbon | PA 251 atPennsylvania state line inMiddleton Township | 01923-01-011923 | current | ||
 SR 155 | — | — | Sandyville | Minerva | 01923-01-011923 | 01926-01-011926 | ||
 SR 155 | 7.45 | 11.99 | SR 93 inShawnee | SR 13 inCorning | 01926-01-011926 | current | ||
 SR 156 | — | — | Nashport | Muskingum Township | 01923-01-011923 | 01962-01-011962 | ||
 SR 157 | — | — | Union Township | Union Township | 01923-01-011923 | 01958-01-011958 | ||
 SR 158 | 18.11 | 29.15 | US 22/SR 37/SR 188 inLancaster | US 40 inKirkersville | 01923-01-011923 | current | ||
 SR 159 | 30.91 | 49.74 | US 50/US 23 Bus./SR 104 inChillicothe | US 22 inHocking Township | 01923-01-011923 | current | ||
 SR 160 | — | — | London | Delaware | 01923-01-011923 | 01926-01-011926 | ||
 SR 160 | 38.82 | 62.47 | SR 7 inGallipolis | SR 93 inHamden | 01926-01-011926 | current | ||
 SR 161 | 57.80 | 93.02 | SR 29 inMutual | SR 37 inSt. Albans Township | 01923-01-011923 | current | ||
 SR 162 | 83.32 | 134.09 | SR 18/SR 67 inRepublic | SR 18 inAkron | 01923-01-011923 | current | ||
 SR 163 | 46.27 | 74.46 | US 20/US 23 inTroy Township | Hartshorn Road inDanbury Township | 01923-01-011923 | current | ||
 SR 164 | 63.46 | 102.13 | SR 212 inOrange Township | Western Reserve Road/I-680 inBeaver Township | 01923-01-011923 | current | ||
 SR 165 | 32.31 | 52.00 | US 62/SR 173 onSmith–Knox township line | Taggart Road inUnity Township | 01923-01-011923 | current | ||
 SR 166 | 11.40 | 18.35 | US 6 inHambden Township | SR 534 inTrumbull Township | 01923-01-011923 | current | ||
 SR 167 | 14.08 | 22.66 | SR 46/SR 307 inJefferson | PA 198 atPennsylvania state line inPierpont Township | 01923-01-011923 | current | ||
 SR 168 | 8.45 | 13.60 | US 422/SR 88/SR 528 inParkman Township | SR 87/SR 700 inBurton | 01923-01-011923 | current | ||
 SR 169 | 6.76 | 10.88 | US 422 inWeathersfield Township | US 422/SR 45 inWarren | 01923-01-011923 | current | ||
 SR 170 | 36.54 | 58.81 | US 30/SR 7/SR 11 inSt. Clair Township | US 62 inYoungstown | 01923-01-011923 | current | ||
 SR 171 | 11.76 | 18.93 | SR 183 inWaynesburg | SR 9 inWashington Township | 01923-01-011923 | current | ||
 SR 172 | 46.98 | 75.61 | US 30 inSugar Creek Township | US 30 inCenter Township | 01923-01-011923 | current | ||
 SR 173 | 20.98 | 33.76 | SR 44 onNimishillen–Marlboro township line | SR 9/SR 14 inSalem | 01923-01-011923 | current | ||
 SR 174 | 9.56 | 15.39 | Old Mill Road inGates Mills | US 20/SR 640 inWilloughby | 01923-01-011923 | current | ||
 SR 175 | 15.70 | 25.27 | SR 43 onBedford Heights–Solon city line | SR 283 inEuclid | 01923-01-011923 | current | ||
 SR 176 | 19.42 | 31.25 | I-77/SR 21 inRichfield | I-71 inCleveland | 01923-01-011923 | current | ||
 SR 177 | — | — | East Union Township | Orrville | 01923-01-011923 | 01926-01-011926 | ||
| SR 177 | — | — | Washington Township | Washington Township | 01926-01-011926 | 01926-01-011926 | ||
 SR 177 | — | — | Goshen Township | New Philadelphia | 01926-01-011926 | 01932-01-011932 | ||
 SR 177 | 23.58 | 37.95 | SR 4/SR 129 inHamilton | SR 227 atIndiana state line inDixon Township | 01938-01-011938 | current | ||
 SR 178 | — | — | Franklin Township | Plymouth | 01923-01-011923 | 01959-01-011959 | ||
 SR 179 | 15.53 | 24.99 | SR 39/SR 60 inWashington Township | SR 60 inHayesville | 01923-01-011923 | current | ||
 SR 180 | — | — | Savannah | Fitchville | 01923-01-011923 | 01926-01-011926 | ||
 SR 180 | 29.55 | 47.56 | SR 159 inGreen Township | US 33 inFalls Township | 01926-01-011926 | current | ||
 SR 181 | 4.47 | 7.19 | SR 61 inCrestline | SR 309 inSpringfield Township | 01923-01-011923 | current | ||
 SR 182 | 7.97 | 12.83 | Upper Sandusky | Nevada | 01923-01-011923 | 02005-01-01c. 2005 | ||
 SR 183 | — | — | Toledo | Toledo | 01923-01-011923 | 01951-01-011951 | ||
 SR 183 | 43.38 | 69.81 | SR 800 inSandy Township | SR 14 inEdinburg Township | 01962-01-011962 | current | ||
 SR 184 | — | — | Grand Rapids | Tontogany | 01923-01-011923 | 01941-01-011941 | ||
 SR 184 | 10.14 | 16.32 | US 23/US 223/SR 51 inSylvania | I-75 inToledo | 01969-01-011969 | current | ||
 SR 185 | — | — | McClure | McClure | 01923-01-011923 | 01926-01-011926 | ||
 SR 185 | — | — | Old Fort | Bellevue | 01926-01-011926 | 01937-01-011937 | ||
 SR 185 | 21.74 | 34.99 | US 127 inYork Township | US 36 inPiqua | 01940-01-011940 | current | ||
 SR 186 | 3.77 | 6.07 | US 224/SR 15 inLiberty Township | SR 235/SR 613 inMcComb | 01923-01-011923 | current | ||
 SR 187 | — | — | Leipsic | McComp | 01923-01-011923 | 01930-01-011930 | ||
 SR 187 | 8.22 | 13.23 | SR 56 inSomerford Township | SR 29 inGoshen Township | 01931-01-011931 | current | ||
 SR 188 | — | — | Greensburg Township | Holgate | 01923-01-011923 | 01926-01-011926 | ||
 SR 188 | 39.04 | 62.83 | US 22/SR 56 inCircleville | SR 204 inThornville | 01926-01-011926 | current | ||
 SR 189 | 11.58 | 18.64 | US 224/SR 66 inOttoville | SR 12/SR 115 inSugar Creek Township | 01923-01-011923 | current | ||
 SR 190 | 8.93 | 14.37 | SR 66/SR 697 inDelphos | US 224 inJackson Township | 01923-01-011923 | current | ||
 SR 191 | 10.88 | 17.51 | US 6 inWest Unity | US 20A/US 127 inWest Unity | 01923-01-011923 | current | ||
 SR 192 | — | — | Bryan | Springfield Township | 01923-01-011923 | 01955-01-011955 | ||
 SR 193 | — | — | Hicksville | Hicksville | 01923-01-011923 | 01938-01-011938 | ||
 SR 193 | 57.95 | 93.26 | I-680 inYoungstown | SR 531 inNorth Kingsville | 01969-01-011969 | current | ||
 SR 194 | — | — | Payne | Paulding | 01923-01-011923 | 01926-01-011926 | ||
 SR 194 | — | — | Chatford | Willard | 01926-01-011926 | 01969-01-011969 | ||
 SR 195 | 3.59 | 5.78 | CR 65/CR 110 inMarion Township | SR 309 in Marion Township | 01923-01-011923 | current | ||
 SR 196 | 10.21 | 16.43 | US 33/SR 385 inGoshen Township | SR 117 inAuglaize Township | 01923-01-011923 | current | ||
 SR 197 | 25.27 | 40.67 | US 127/SR 29/SR 703 inCelina | SR 198 inMoulton Township | 01923-01-011923 | current | ||
 SR 198 | 12.52 | 20.15 | US 33/SR 67/SR 501 inWapakoneta | SR 117 inAmanda Township | 01923-01-011923 | current | ||
 SR 199 | — | — | Dawn | Dawn | 01923-01-011923 | 01923-01-011923 | ||
 SR 199 | 62.16 | 100.04 | US 23 inPitt Township | US 20/SR 795 inPerrysburg | 01924-01-011924 | current | ||
 SR 200 | — | — | Liberty Township | Neave Township | 01923-01-011923 | 01931-01-011931 | ||
| SR 200 | — | — | LaGrange | Belden | 01932-01-011932 | 01936-01-011936 | ||
| SR 200 | — | — | Medina | Parma | 01938-01-011938 | 01938-01-011938 | ||
 SR 201 | 21.69 | 34.91 | SR 4/SR 202 inDayton | SR 55 inLostcreek Township | 01923-01-011923 | current | ||
 SR 202 | 20.06 | 32.28 | SR 4/SR 201 inDayton | SR 55 inTroy | 01923-01-011923 | current | ||
 SR 203 | 22.10 | 35.57 | SR 37 inRadnor Township | SR 309 inBig Island Township | 01923-01-011923 | current | ||
 SR 204 | 37.79 | 60.82 | SR 256 inPickerington | US 22 inMadison Township | 01923-01-011923 | current | ||
 SR 205 | 6.94 | 11.17 | US 62/SR 514 inDanville | SR 3 inBrown Township | 01923-01-011923 | current | ||
 SR 206 | 15.13 | 24.35 | SR 541 inPerry Township | US 62 inRichland Township | 01923-01-011923 | current | ||
 SR 207 | — | — | Hanover | Fallsbury Township | 01923-01-011923 | 01937-01-011937 | ||
 SR 207 | 31.27 | 50.32 | SR 159 nearChillicothe | US 62/SR 3/SR 56 inMount Sterling | 01962-01-011962 | current | ||
 SR 208 | 11.19 | 18.01 | SR 60 inDresden | SR 93 inAdamsville | 01923-01-011923 | current | ||
 SR 209 | 16.71 | 26.89 | SR 83 inHighland Township | I-77/SR 821 inByesville | 01923-01-011923 | current | ||
 SR 210 | — | — | Roscoe | Roscoe | 01923-01-011923 | 01953-01-011953 | ||
 SR 211 | 1.23 | 1.98 | SR 39 inDover | SR 800 in Dover | 01923-01-011923 | current | ||
 SR 212 | 32.09 | 51.64 | US 250 inSugar Creek Township | SR 151 inBowerston | 01923-01-011923 | current | ||
 SR 213 | 18.61 | 29.95 | SR 7 inIsland Creek Township | SR 7 inSaline Township | 01923-01-011923 | current | ||
 SR 214 | — | — | Blaine | Bellaire | 01923-01-011923 | 01978-01-011978 | ||
 SR 215 | 4.61 | 7.42 | SR 821 inNoble Township | SR 285 inCenter Township | 01923-01-011923 | current | ||
 SR 216 | 6.56 | 10.56 | SR 78 inMurray City | SR 93 inNew Straitsville | 01923-01-011923 | current | ||
 SR 217 | 17.47 | 28.12 | SR 141 inLawrence Township | SR 7 inRome Township | 01923-01-011923 | current | ||
 SR 218 | 19.56 | 31.48 | SR 217 inRome Township | SR 7 inGallipolis Township | 01923-01-011923 | current | ||
 SR 219 | — | — | Rome Township | Rome Township | 01923-01-011923 | 01924-01-011924 | ||
 SR 219 | 37.17 | 59.82 | CR 300N inWashington Township | I-75 inBotkins | 01925-01-011925 | current | ||
 SR 220 | 14.00 | 22.53 | SR 772 inPebble Township | SR 32/SR 124 inSeal Township | 01923-01-011923 | current | ||
 SR 221 | 8.00 | 12.87 | US 52 inHigginsport | SR 125 inGeorgetown | 01923-01-011923 | current | ||
 SR 222 | 29.14 | 46.90 | US 52 inChilo | US 50 inStonelick Township | 01923-01-011923 | current | ||
 SR 223 | — | — | Ross | McGonigle | 01923-01-011923 | 01926-01-011926 | ||
 SR 223 | — | — | Holland | Holland | 01926-01-011926 | 01930-01-011930 | ||
 SR 224 | — | — | Hamilton | Fairhaven | 01923-01-011923 | 01933-01-011933 | ||
 SR 225 | 20.00 | 32.19 | SR 183 inAlliance | SR 5 inParis Township | 01923-01-011923 | current | ||
 SR 226 | — | — | Minerva | Minerva | 01923-01-011923 | 01927-01-011927 | ||
 SR 226 | 14.84 | 23.88 | SR 3/SR 179 inWashington Township | SR 3 inWooster Township | 01929-01-011929 | current | ||
 SR 227 | — | — | Jewett | Jewett | 01923-01-011923 | 01962-01-011962 | ||
 SR 228 | 1.30 | 2.09 | SR 19 inAdams Township | SR 101 in Adams Township | 01923-01-011923 | current | ||
 SR 229 | — | — | Colby | Bellevue | 01923-01-011923 | 01924-01-011924 | ||
| SR 229 | — | — | Tiffin | Republic | 01925-01-011925 | 01926-01-011926 | ||
 SR 229 | — | — | Bellevue | Strongs Ridge | 01926-01-011926 | 01929-01-011929 | ||
 SR 229 | 50.97 | 82.03 | SR 47 inWaldo Township | US 36 inNewcastle Township | 01931-01-011931 | current | ||
 SR 230 | — | — | Fremont | Fremont | 01923-01-011923 | 01957-01-011957 | ||
 SR 230 | — | — | Perrysburg | Perrysburg | 01962-01-011962 | 01971-01-011971 | ||
 SR 231 | 35.70 | 57.45 | Morral-Kirkpatrick Road inMorral | SR 18/SR 100/SR 101 inTiffin | 01923-01-011923 | current | ||
 SR 232 | — | — | Berea | Kamms | 01923-01-011923 | 01928-01-011928 | ||
 SR 232 | 11.46 | 18.44 | US 52 inMonroe Township | SR 125 inBethel | 01930-01-011930 | current | ||
 SR 233 | 12.25 | 19.71 | SR 93/SR 279 inOak Hill | SR 141 inPerry Township | 01924-01-011924 | current | ||
 SR 234 | — | — | West Lafayette | Shanesville | 01924-01-011924 | 01929-01-011929 | ||
| SR 234 | — | — | Warsaw | Shreve | 01930-01-011930 | 01937-01-011937 | ||
 SR 235 | 133.18 | 214.33 | US 68 inXenia Township | SR 65 inWashington Township | 01924-01-011924 | current | ||
 SR 236 | 8.05 | 12.96 | SR 21 inMassillon | SR 93 inFranklin Township | 01924-01-011924 | current | ||
 SR 237 | — | — | Buckeye Lake | Hebron | 01924-01-011924 | 01932-01-011932 | ||
 SR 237 | 13.79 | 22.19 | SR 82 inStrongsville | US 6/US 20/SR 2 inLakewood | 01935-01-011935 | current | ||
 SR 238 | 1.04 | 1.67 | US 62/SR 3 nearWashington Court House | SR 38 inBloomingburg | 01924-01-011924 | 02014-01-01c. 2014 | ||
 SR 239 | 1.22 | 1.96 | US 52 inWashington Township | SR 73/SR 104 in Washington Township | 01924-01-011924 | current | ||
 SR 240 | — | — | Lucasville | Lucasville | 01924-01-011924 | 01938-01-011938 | ||
 SR 240 | — | — | East Harbor State Park | East Harbor State Park | 01948-01-011948 | 01967-01-011967 | ||
 SR 241 | 50.36 | 81.05 | US 62/SR 39 inMillersburg | SR 18 inAkron | 01924-01-011924 | current | ||
 SR 242 | 3.67 | 5.91 | US 127 inRichland Township | SR 121 inWayne Township | 01924-01-011924 | 02013-01-012013 | ||
 SR 243 | 18.39 | 29.60 | US 52 inCoal Grove | SR 7 inUnion Township | 01925-01-011925 | current | ||
 SR 244 | — | — | Newport | Newport | 01925-01-011925 | 01961-01-011961 | ||
 SR 245 | — | — | Bloomfield | Matamoras | 01925-01-011925 | 01934-01-011934 | ||
 SR 245 | 36.03 | 57.98 | SR 29 inAdams Township | US 33/US 36/SR 4 inParis Township | 01962-01-011962 | current | ||
 SR 246 | 6.07 | 9.77 | US 20 inToledo | SR 51 in Toledo | 01925-01-011925 | current | ||
 SR 247 | 36.35 | 58.50 | Ohio River inMonroe Township | SR 73 inHillsboro | 01925-01-011925 | current | ||
 SR 248 | 9.15 | 14.73 | SR 7 inChester Township | SR 124 inOlive Township | 01925-01-011925 | current | ||
 SR 249 | — | — | Ney | Ney | 01925-01-011925 | 01926-01-011926 | ||
 SR 249 | 14.45 | 23.26 | CR 49 inMilford Township | SR 15 inNey | 01926-01-011926 | current | ||
 SR 250 | — | — | Lakeville | Burnetts Corners | 01925-01-011925 | 01928-01-011928 | ||
 SR 251 | 4.81 | 7.74 | US 50 inPerry Township | US 68 inJefferson Township | 01925-01-011925 | current | ||
 SR 252 | 23.04 | 37.08 | SR 18/SR 57 inYork Township | US 6 inBay Village | 01925-01-011925 | current | ||
 SR 253 | 0.56 | 0.90 | KY 10 atKentucky state line inGreen Township | US 52 in Green Township | 01989-01-011989 | current | ||
 SR 254 | 17.15 | 27.60 | SR 57 inSheffield Township | US 6/US 20/SR 2 inLakewood | 01929-01-011929 | current | ||
 SR 255 | — | — | Ada | Mount Cory | 01926-01-011926 | 01926-01-011926 | ||
 SR 255 | — | — | New Philadelphia | Reeds Run | 01926-01-011926 | 01932-01-011932 | ||
 SR 255 | 18.08 | 29.10 | SR 800 inCenter Township | SR 7 inLee Township | 01935-01-011935 | current | ||
 SR 256 | — | — | Toledo | Toledo | 01926-01-011926 | 01926-01-011926 | ||
 SR 256 | 25.99 | 41.83 | US 40 inReynoldsburg | SR 13 inThorn Township | 01926-01-011926 | current | ||
 SR 257 | 26.19 | 42.15 | US 33/SR 47 inDublin | SR 47 inProspect | 01926-01-011926 | current | ||
 SR 258 | 25.62 | 41.23 | US 36 inNewcomerstown | SR 800 inRush Township | 01926-01-011926 | current | ||
 SR 259 | 4.41 | 7.10 | SR 416 inGoshen Township | SR 39 inNew Philadelphia | 01926-01-011926 | current | ||
 SR 260 | 36.67 | 59.01 | SR 7 inMatamoras | SR 78 inStock Township | 01926-01-011926 | current | ||
 SR 261 | 25.88 | 41.65 | SR 94 inWadsworth | SR 59 inFranklin Township | 01926-01-011926 | current | ||
 SR 262 | — | — | Osceola | Melmore | 01926-01-011926 | 01967-01-011967 | ||
 SR 263 | — | — | East Liverpool | East Palestine | 01926-01-011926 | 01926-01-011926 | ||
 SR 263 | — | — | Sylvania | Toledo | 01926-01-011926 | 01939-01-011939 | ||
 SR 264 | 16.58 | 26.68 | US 50 inCleves | US 27/US 42/US 52/US 127 inCincinnati | 01926-01-011926 | current | ||
 SR 265 | — | — | Beverly | Reinersville | 01926-01-011926 | 01926-01-011926 | ||
 SR 265 | 18.36 | 29.55 | US 40 inCenter Township | SR 147 inWarren Township | 01926-01-011926 | current | ||
 SR 266 | 13.86 | 22.31 | SR 377 inPenn Township | SR 60 inCenter Township | 01926-01-011926 | current | ||
 SR 267 | 5.39 | 8.67 | SR 7/SR 39 inEast Liverpool | US 30/SR 7/SR 11 inSt. Clair Township | 01926-01-011926 | current | ||
 SR 268 | — | — | Bridgetown | Cheviot | 01928-01-011928 | 01975-01-011975 | ||
 SR 269 | 28.08 | 45.19 | SR 4 onSherman–Thompson township line | East Harbor State Park entrance inDanbury Township | 01931-01-011931 | current | ||
 SR 270 | — | — | Perrysburg | Perrysburg | 01928-01-011928 | 01962-01-011962 | ||
 SR 271 | — | — | Montpelier | Bridgewater Township | 01930-01-011930 | 01931-01-011931 | ||
 SR 271 | — | — | Martinsburg | Birmingham | 01932-01-011932 | 01962-01-011962 | ||
 SR 272 | — | — | Canton | Canton | 01930-01-011930 | 01961-01-011961 | ||
 SR 273 | 19.80 | 31.87 | Maple Lane inRichland Township | SR 31 inMount Victory | 01930-01-011930 | current | ||
 SR 274 | 52.70 | 84.81 | US 127 inMarion Township | SR 273 inRushcreek Township | 01930-01-011930 | current | ||
 SR 275 | — | — | Rosewood | Marysville | 01930-01-011930 | 01962-01-011962 | ||
 SR 276 | 6.46 | 10.40 | SR 133 inWilliamsburg | US 50/SR 132 inOwensville | 01930-01-011930 | current | ||
 SR 277 | — | — | Chillicothe | Mount Sterling | 01930-01-011930 | 01962-01-011962 | ||
 SR 278 | 27.61 | 44.43 | US 50 inMadison Township | SR 595 inGreen Township | 01930-01-011930 | current | ||
 SR 279 | 20.11 | 32.36 | SR 139 inHamilton Township | US 35 inRaccoon Township | 01930-01-011930 | current | ||
 SR 280 | — | — | Amesville | Trimble | 01930-01-011930 | 01962-01-011962 | ||
 SR 281 | 50.71 | 81.61 | US 24 inDefiance | US 6 onMontgomery–Freedom township line | 01930-01-011930 | current | ||
 SR 282 | 3.05 | 4.91 | SR 305 inNelson Township | US 422 inParkman Township | 01930-01-011930 | current | ||
 SR 283 | — | — | Holland | Holland | 01931-01-011931 | 01931-01-011931 | ||
 SR 283 | 29.46 | 47.41 | US 6 inCleveland | US 20 inPainesville | 01932-01-011932 | current | ||
 SR 284 | 17.42 | 28.03 | SR 83 inBristol Township | SR 146 inSalt Creek Township | 01930-01-011930 | current | ||
 SR 285 | 27.93 | 44.95 | SR 821 inCaldwell | US 22 inMadison Township | 01931-01-011931 | current | ||
 SR 286 | 9.97 | 16.05 | US 50 inJackson Township | SR 134 inClay Township | 01931-01-011931 | current | ||
 SR 287 | 13.69 | 22.03 | SR 245 inMonroe Township | US 33/SR 739 inAllen Township | 01931-01-011931 | current | ||
 SR 288 | — | — | Willowick | Willoughby | 01931-01-011931 | 01940-01-011940 | ||
 SR 288 | 6.82 | 10.98 | SR 309 inWashington Township | SR 97 inNorth Bloomfield Township | 01953-01-011953 | current | ||
 SR 289 | — | — | New Haven | New Haven | 01931-01-011931 | 01940-01-011940 | ||
 SR 289 | 9.93 | 15.98 | US 422/SR 193 inYoungstown | Pennsylvania state line inPoland Township | 01950-01-011950 | current | ||
 SR 290 | — | — | Salem Township | Wayne Township | 01932-01-011932 | 01962-01-011962 | ||
 SR 291 | — | — | Liberty Township | Liberty Township | 01932-01-011932 | 01945-01-011945 | ||
 SR 291 | 4.14 | 6.66 | Fowles Road inMiddleburg Heights | SR 17 onBrook Park–Cleveland city line | 01951-01-011951 | current | ||
 SR 292 | 26.49 | 42.63 | US 33 inJefferson Township | SR 31 inBuck Township | 01932-01-011932 | current | ||
 SR 293 | 6.28 | 10.11 | SR 53 inJackson Township | Cass Street (CR 47) inWharton | 01932-01-011932 | current | ||
 SR 294 | 24.20 | 38.95 | SR 37 inJackson Township | SR 98 inDallas Township | 01932-01-011932 | current | ||
 SR 295 | 24.00 | 38.62 | SR 65 inGrand Rapids | Silberhorn Highway inBerkey | 01932-01-011932 | current | ||
 SR 296 | — | — | Reedtown | Bellevue | 01932-01-011932 | 01936-01-011936 | ||
 SR 296 | 10.52 | 16.93 | SR 29 inSalem Township | SR 245 inWayne Township | 01962-01-011962 | current | ||
 SR 297 | — | — | Wayne | Bradner | 01932-01-011932 | 01938-01-011938 | ||
 SR 297 | 2.53 | 4.07 | US 30/US 62 inCanton | SR 172 in Canton | 01977-01-011977 | 02025-01-012025 | ||
 SR 298 | — | — | Chatfield | Willard | 01932-01-011932 | 01967-01-011967 | ||
 SR 299 | — | — | Milan | Huron | 01932-01-011932 | 01966-01-011966 | ||
 SR 300 | 6.33 | 10.19 | US 6 inMadison Township | US 20 inWoodville Township | 01932-01-011932 | current | ||
 SR 301 | 45.30 | 72.90 | SR 302 inChester Township | US 6 inSheffield Lake | 01932-01-011932 | current | ||
 SR 302 | 28.44 | 45.77 | SR 83 inWooster | US 250/SR 60 inSavannah | 01932-01-011932 | current | ||
 SR 303 | 75.66 | 121.76 | US 20 inWakeman | SR 82 inBraceville Township | 01932-01-011932 | current | ||
 SR 304 | 9.95 | 16.01 | US 422 inGirard | PA 318 atPennsylvania state line inHubbard Township | 01932-01-011932 | current | ||
 SR 305 | 33.90 | 54.56 | SR 82/SR 700 inHiram | PA 718 atPennsylvania state line inHartford Township | 01932-01-011932 | current | ||
 SR 306 | 27.41 | 44.11 | SR 43 inAurora | SR 283 inMentor | 01932-01-011932 | current | ||
 SR 307 | 22.99 | 37.00 | SR 528 inMadison Township | SR 193 inDorset Township | 01933-01-011933 | current | ||
 SR 308 | 3.00 | 4.83 | SR 229 inGambier | US 36 inMonroe Township | 01932-01-011932 | current | ||
 SR 309 | — | — | Tunnel Hill | Roscoe | 01932-01-011932 | 01934-01-011934 | ||
 SR 309 | 103.54 | 166.63 | US 30 inMarion Township | US 30 inMansfield | 01973-01-011973 | current | ||
 SR 310 | 13.97 | 22.48 | SR 204 inLiberty Township | SR 37 inLiberty Township | 01932-01-011932 | current | ||
 SR 311 | — | — | Brookville | Arlington | 01932-01-011932 | 01964-01-011964 | ||
 SR 312 | 9.14 | 14.71 | SR 93 inFalls Township | SR 664 inRush Creek Township | 01932-01-011932 | current | ||
 SR 313 | 34.35 | 55.28 | SR 146 inSalt Creek Township | SR 147 inBeaver Township | 01932-01-011932 | current | ||
 SR 314 | 38.75 | 62.36 | US 36/SR 3 inCenterburg | SR 61 inSharon Township | 01932-01-011932 | current | ||
 SR 315 | 22.48 | 36.18 | I-70/I-71 inColumbus | US 23 inDelaware Township | 01933-01-011933 | current | ||
 SR 316 | 14.05 | 22.61 | SR 56 inMonroe Township | SR 752 inAshville | 01931-01-011931 | current | ||
 SR 317 | 18.89 | 30.40 | US 23/SR 665 inHamilton Township | US 62 inGahanna | 01932-01-011932 | current | ||
 SR 318 | — | — | Jackson Center | Uniopolis | 01932-01-011932 | 01936-01-011936 | ||
 SR 319 | 0.56 | 0.90 | Washington Street inBurkettsville | SR 118 onAllen–Granville township line | 01932-01-011932 | current | ||
 SR 320 | 3.12 | 5.02 | US 35 inJackson Township | SR 121 inNew Paris | 01932-01-011932 | current | ||
 SR 321 | 9.07 | 14.60 | SR 134 inClay Township | US 62 onWhite Oak–Concord township line | 01932-01-011932 | current | ||
 SR 323 | 18.66 | 30.03 | SR 41 inSouth Solon | SR 56 inPleasant Township | 01932-01-011932 | current | ||
 SR 324 | 4.44 | 7.15 | SR 160 inClinton Township | SR 93 in Clinton Township | 01932-01-011932 | current | ||
 SR 325 | 24.07 | 38.74 | SR 141 inPerry Township | SR 124 inSalem Township | 01932-01-011932 | current | ||
 SR 326 | 1.2 | 1.9 | Holland | Holland | 01932-01-011932 | 01934-01-011934 | ||
 SR 326 | 2.1 | 3.4 | Marietta | Marietta | 01935-01-011935 | 01967-01-011967 | ||
 SR 327 | 47.35 | 76.20 | US 35 inBloomfield Township | SR 180 inAdelphi | 01933-01-011933 | current | ||
 SR 328 | 22.72 | 36.56 | SR 93 inElk Township | US 33 inLogan | 01932-01-011932 | current | ||
 SR 329 | 23.80 | 38.30 | US 50/SR 32 inRome Township | SR 13 inTrimble | 01932-01-011932 | current | ||
 SR 330 | 3.00 | 4.83 | SR 15 inAmanda Township | SR 568 inBiglick Township | 01932-01-011932 | current | ||
 SR 331 | 18.09 | 29.11 | US 22 inMoorefield Township | US 40 inRichland Township | 01932-01-011932 | current | ||
 SR 332 | 12.89 | 20.74 | SR 151 inNorth Township | SR 9/SR 39/SR 43 inCarrollton | 01933-01-011933 | current | ||
 SR 333 | — | — | Dillonvale | Smithfield | 01932-01-011932 | 01937-01-011937 | ||
 SR 333 | 3.00 | 4.83 | Sylvania | Sylvania | 01946-01-011946 | 01962-01-011962 | ||
 SR 334 | — | — | Leesville | Amsterdam | 01932-01-011932 | 01937-01-011937 | ||
 SR 334 | 4.24 | 6.82 | US 68 inGerman Township | SR 4 inMoorefield Township | 01969-01-011969 | current | ||
 SR 335 | 42.41 | 68.25 | US 52 inPortsmouth | US 23/SR 104/SR 220 inWaverly | 01933-01-011933 | current | ||
 SR 336 | — | — | Cecil | Emmet | 01932-01-011932 | 01945-01-011945 | ||
 SR 337 | — | — | Antiquity | Racine | 01932-01-011932 | 01936-01-011936 | ||
 SR 338 | 2.32 | 3.73 | US 33 nearRacine | SR 124 nearRacine | 01932-01-011932 | 02012-01-012012 | ||
 SR 339 | 34.57 | 55.64 | SR 618 inBelpre Township | SR 821 inJefferson Township | 01933-01-011933 | current | ||
 SR 340 | 13.18 | 21.21 | SR 284 inMeigs Township | SR 821 inBelle Valley | 01933-01-011933 | current | ||
 SR 341 | — | — | Beach City | Beach City | 01933-01-011933 | 01941-01-011941 | ||
 SR 342 | 5.27 | 8.48 | SR 258 inPerry Township | SR 800 inFreeport | 01933-01-011933 | current | ||
 SR 343 | 3.37 | 5.42 | US 68 inYellow Springs | SR 72 inClifton | 01933-01-011933 | current | ||
 SR 344 | 10.12 | 16.29 | SR 9/SR 14 inSalem | SR 164 inColumbiana | 01935-01-011935 | current | ||
 SR 345 | 11.74 | 18.89 | SR 13/SR 37 inNew Lexington | US 22 inNewton Township | 01935-01-011935 | current | ||
 SR 346 | 20.77 | 33.43 | Wellston | Albany | 01935-01-011935 | 01983-01-011983 | ||
 SR 347 | 20.96 | 33.73 | SR 287 inZane Township | SR 37 inLeesburg Township | 01935-01-011935 | current | ||
 SR 348 | 32.24 | 51.89 | SR 125 inTiffin Township | US 23/SR 728 inValley Township | 01935-01-011935 | current | ||
 SR 349 | 2.37 | 3.81 | SR 93 inWellston | SR 160 inHamden | 01934-01-011934 | current | ||
 SR 350 | 27.40 | 44.10 | SR 123 inTurtle Creek Township | SR 28/SR 73 inNew Vienna | 01935-01-011935 | current | ||
 SR 351 | — | — | Marietta | Marietta | 01935-01-011935 | 01969-01-011969 | ||
 SR 352 | — | — | Beach City | Bolivar | 01935-01-011935 | 01938-01-011938 | ||
 SR 353 | 4.60 | 7.40 | US 62 inJefferson Township | SR 125 inByrd Township | 01935-01-011935 | current | ||
 SR 354 | — | — | New Garden | Lisbon | 01934-01-011934 | 01938-01-011938 | ||
 SR 355 | 1.37 | 2.20 | Eaton | Eaton | 01934-01-011934 | 01999-01-01c. 1999 | ||
 SR 356 | 10.74 | 17.28 | US 50 inKnox Township | SR 56 inWaterloo Township | 01934-01-011934 | current | ||
 SR 357 | 2.35 | 3.78 | West Shore Boulevard inPut-in-Bay Township onSouth Bass Island | Lake Erie in Put-in-Bay Township on South Bass Island | 01934-01-011934 | current | ||
 SR 358 | 0.92 | 1.48 | SR 163 inErie Township | SR 2 in Erie Township | 01934-01-011934 | current | ||
 SR 359 | 1.02 | 1.64 | Boston Township | Boston Township | 01934-01-011934 | 01988-01-01c. 1988 | ||
 SR 360 | 1.94 | 3.12 | SR 79 inWalnut Township | SR 79 inBuckeye Lake | 01938-01-011938 | current | ||
 SR 361 | 4.67 | 7.52 | US 23 inPickaway Township | SR 159 in Pickaway Township | 01934-01-011934 | current | ||
 SR 362 | 4.56 | 7.34 | SR 66 inFort Loramie | SR 66 inMinster | 01934-01-011934 | current | ||
 SR 363 | 1.43 | 2.30 | Lotus Road inMcLean Township | SR 119 inJackson Township | 01934-01-011934 | current | ||
 SR 364 | 16.73 | 26.92 | SR 705 inPatterson-McLean | SR 29 inNoble Township | 01936-01-011936 | current | ||
 SR 365 | 0.16 | 0.26 | SR 235/SR 366 inStokes Township | Indian Lake State Park boat ramp in Stokes Township | 01934-01-011934 | current | ||
 SR 366 | 9.78 | 15.74 | US 33 inStokes Township | SR 117 inRichland Township | 01934-01-011934 | current | ||
 SR 367 | — | — | Russells Point | Russells Point | 01934-01-011934 | 01937-01-011937 | ||
 SR 368 | 2.59 | 4.17 | SR 366 inRichland Township | CR 272/CR 286 inStokes Township | 01934-01-011934 | current | ||
 SR 369 | 1.45 | 2.33 | SR 4 inBethel Township | US 40 in Bethel Township | 01934-01-011934 | current | ||
 SR 370 | 1.21 | 1.95 | John Bryan State Park entrance inMiami Township | SR 343 in Miami Township | 01934-01-011934 | current | ||
 SR 371 | 0.40 | 0.64 | Shawnee State Park entrance inUnion Township | SR 73 in Union Township | 01934-01-011934 | current | ||
 SR 372 | 0.68 | 1.09 | US 23/SR 104 inFranklin Township | Scioto Trail State Forest boundary in Franklin Township | 01934-01-011934 | current | ||
 SR 373 | 3.39 | 5.46 | SR 93 inElizabeth Township | SR 93 inDecatur Township | 01934-01-011934 | current | ||
 SR 374 | 25.26 | 40.65 | SR 56 inBenton Township | US 33 inGood Hope Township | 01934-01-011934 | current | ||
 SR 375 | — | — | Marietta | Marietta | 01935-01-011935 | 01969-01-011969 | ||
 SR 376 | 24.75 | 39.83 | SR 266 inWindsor Township | SR 60 inBlue Rock Township | 01934-01-011934 | current | ||
 SR 377 | 18.33 | 29.50 | SR 550 inBern Township | SR 78 inPenn Township | 01934-01-011934 | current | ||
 SR 378 | 9.46 | 15.22 | SR 243 inUnion Township | SR 141 inAid Township | 01935-01-011935 | current | ||
 SR 379 | 14.73 | 23.71 | SR 78 inSeneca Township | SR 147 onSomerset–Beaver township line | 01935-01-011935 | current | ||
 SR 380 | 18.01 | 28.98 | US 22/SR 3 inAdams Township | US 42/US 68/US 35 Bus. inXenia | 01935-01-011935 | current | ||
 SR 381 | — | — | Greenville | Ansonia | 01935-01-011935 | 01936-01-011936 | ||
 SR 382 | — | — | Aurora | South Russell | 01935-01-011935 | 01936-01-011936 | ||
 SR 383 | 1.50 | 2.41 | CR 60 inReading Township | SR 13 in Reading Township | 01935-01-011935 | current | ||
 SR 384 | — | — | Williams Center | Ridgeville Corners | 01935-01-011935 | 01957-01-011957 | ||
 SR 385 | 6.30 | 10.14 | US 33/SR 196 inGoshen Township | SR 117 inRoundhead Township | 01935-01-011935 | current | ||
 SR 386 | — | — | Violet Township | Liberty Township | 01935-01-011935 | 01936-01-011936 | ||
 SR 387 | — | — | Sandusky | Sandusky | 01935-01-011935 | 01962-01-011962 | ||
 SR 412 | 12.42 | 19.99 | US 20/SR 19 inRiley Township | SR 101 inTownsend Township | 01969-01-011969 | current | ||
 SR 416 | 14.98 | 24.11 | US 36 inClay Township | SR 800 inDover Township | 01969-01-011969 | current | ||
 SR 420 | 2.89 | 4.65 | US 20/US 23 inTroy Township | I-280/Ohio Turnpike inLake Township | 01969-01-011969 | current | ||
 SR 421 | 3.37 | 5.42 | US 42/US 224 inHarrisville Township | US 42/US 224 in Harrisville Township | 01959-01-011959 | current | ||
 SR 423 | 17.09 | 27.50 | SR 47/SR 98 inWaldo | US 23/SR 231 inGrand Prairie Township | 01969-01-011969 | current | ||
 SR 424 | 25.77 | 41.47 | US 24 inDefiance (Until 2008) | Napoleon | 01964-01-011964 | 02012-01-012012 | ||
 SR 430 | 13.11 | 21.10 | SR 309 inOntario | SR 603 inMifflin Township | 01960-01-011960 | current | ||
 SR 435 | 4.08 | 6.57 | US 35 inJefferson Township | SR 729 inJasper Township | 02003-01-012003 | current | ||
 SR 440 | — | — | Englewood | St. Clairsville | 01959-01-011959 | 01967-01-011967 | ||
 SR 444 | 9.03 | 14.53 | SR 4 inDayton | I-675 onBath–Mad River township line | 01959-01-011959 | current | ||
 SR 446 | 1.51 | 2.43 | US 224 inCanfield | SR 46 inCanfield Township | 01984-01-011984 | current | ||
 SR 450 | 1.06 | 1.71 | Milford Parkway inUnion Township | US 50 inMiami Township | 02004-01-012004 | current | ||
 SR 500 | 13.32 | 21.44 | State Line Road/Paulding Road inBenton Township | SR 111 inPaulding | 01937-01-011937 | current | ||
 SR 501 | 11.93 | 19.20 | US 33/SR 67/SR 198 inWapakoneta | SR 117 inShawnee Township | 01937-01-011937 | current | ||
 SR 502 | 9.71 | 15.63 | Greenville Pike inWashington Township | SR 49/SR 121/SR 571 inGreenville | 01937-01-011937 | current | ||
 SR 503 | 40.53 | 65.23 | US 127 inSeven Mile | SR 121 inWayne Lakes | 01937-01-011937 | current | ||
 SR 504 | 1.29 | 2.08 | Staunton Township | Staunton Township | 01937-01-011937 | 01982-01-011982 | ||
 SR 505 | 10.39 | 16.72 | US 52 inHigginsport | SR 125 inClark Township | 01937-01-011937 | current | ||
 SR 506 | 4.34 | 6.98 | SR 124 inMarshall Township | SR 753 inBrush Creek Township | 01937-01-011937 | current | ||
 SR 507 | 3.09 | 4.97 | US 68 inSalem Township | SR 245 in Salem Township | 01937-01-011937 | current | ||
 SR 508 | 9.46 | 15.22 | SR 235 inDe Graff | US 68 inWest Liberty | 01937-01-011937 | current | ||
 SR 509 | — | — | Carey | McCuthenville | 01937-01-011937 | 01964-01-011964 | ||
 SR 510 | 7.03 | 11.31 | SR 101 inClyde | US 6 inRiley Township | 01937-01-011937 | current | ||
 SR 511 | 50.27 | 80.90 | SR 39 inGreen Township | US 20 inNew Russia Township | 01937-01-011937 | current | ||
 SR 512 | — | — | Newark | Newark | 01937-01-011937 | 01961-01-011961 | ||
 SR 513 | 27.19 | 43.76 | SR 146 inSummerfield | US 22 inMadison Township | 01937-01-011937 | current | ||
 SR 514 | 19.84 | 31.93 | US 62/SR 514 inDanville | SR 229 onRipley–Clinton township line | 01937-01-011937 | current | ||
 SR 515 | 5.50 | 8.85 | SR 39 inWalnut Creek Township | US 62 inPaint Township | 01937-01-011937 | current | ||
 SR 516 | 7.70 | 12.39 | SR 93 inWayne Township | SR 39 inDover Township | 01937-01-011937 | current | ||
 SR 517 | 8.50 | 13.68 | US 30/SR 45/SR 164/SR 154 inLisbon | SR 7/SR 558 inFairfield Township | 01937-01-011937 | current | ||
 SR 518 | 11.10 | 17.86 | SR 644 inFranklin Township | US 30/SR 45 inMadison Township | 01937-01-011937 | current | ||
 SR 519 | 11.08 | 17.83 | US 22 inMoorefield Township | US 250 inShort Creek Township | 01937-01-011937 | current | ||
 SR 520 | 13.47 | 21.68 | SR 514 inKnox Township | US 62 inKillbuck Township | 01937-01-011937 | current | ||
 SR 521 | 13.62 | 21.92 | SR 37 inDelaware | SR 656 inPorter Township | 01937-01-011937 | current | ||
 SR 522 | — | — | Thompson Township | Trumbull | 01937-01-011937 | 01939-01-011939 | ||
 SR 522 | 16.58 | 26.68 | US 52 inPorter Township | SR 93 inElizabeth Township | 01947-01-011947 | current | ||
 SR 523 | 3.79 | 6.10 | SR 19 inRice Township | SR 53 in Rice Township | 01939-01-011939 | current | ||
 SR 524 | — | — | Simons | North Richmond | 01937-01-011937 | 01941-01-011941 | ||
 SR 524 | 8.10 | 13.04 | SR 164 inBergholz | SR 39 inFox Township | 01947-01-011947 | current | ||
 SR 526 | — | — | Akron | Mogadore | 01937-01-011937 | 01979-01-011979 | ||
 SR 527 | — | — | Ghent | Kent | 01937-01-011937 | 01941-01-011941 | ||
 SR 527 | 0.56 | 0.90 | WV 527 atWest Virginia state line inChesapeake | SR 7 in Chesapeake | 01970-01-011970 | current | ||
 SR 528 | 30.36 | 48.86 | US 422/SR 88/SR 528 inParkman Township | US 20 inNorth Madison | 01937-01-011937 | current | ||
 SR 529 | 17.61 | 28.34 | SR 95 inMarion | SR 61 inLincoln Township | 01939-01-011939 | current | ||
 SR 530 | 7.86 | 12.65 | SR 60 inLowell | SR 821 inSalem Township | 01937-01-011937 | current | ||
 SR 531 | 22.72 | 36.56 | SR 534 inGeneva-on-the-Lake | SR 7 inConneaut | 01937-01-011937 | current | ||
 SR 532 | 3.68 | 5.92 | US 224 inSpringfield–Portage township line | I-76 inTallmadge | 01937-01-011937 | current | ||
 SR 533 | 1.80 | 2.90 | SR 540 inJefferson Township | SR 47 inJefferson Township | 01937-01-011937 | 02014-01-012014 | ||
 SR 534 | 69.31 | 111.54 | US 62/SR 173 onGoshen–Butler township line | SR 531 inGeneva-on-the-Lake | 01937-01-011937 | current | ||
 SR 535 | 4.85 | 7.81 | SR 283 inPainesville | US 20 inPainesville Township | 01937-01-011937 | current | ||
 SR 536 | 12.63 | 20.33 | WV 7 atWest Virginia state line inOhio Township | SR 78 inAdams Township | 01937-01-011937 | current | ||
 SR 537 | 4.98 | 8.01 | SR 260 inBethel Township | SR 26 inWashington Township | 01937-01-011937 | current | ||
 SR 538 | — | — | Pierpont Township | Pierpont Township | 01937-01-011937 | 01938-01-011938 | ||
 SR 539 | — | — | Manchester Township | Manchester Township | 01937-01-011937 | 01959-01-011959 | ||
 SR 539 | 13.43 | 21.61 | SR 302 inChester Township | SR 301 inWest Salem | 01964-01-011964 | current | ||
 SR 540 | 8.72 | 14.03 | US 68/SR 47 inBellefontaine | SR 292 inPerry Township | 01937-01-011937 | current | ||
 SR 541 | — | — | Mentor Township | Mentor Township | 01937-01-011937 | 01942-01-011942 | ||
 SR 541 | 52.43 | 84.38 | US 62/SR 568 inMartinsburg | I-77 inLiberty Township | 01962-01-011962 | current | ||
 SR 542 | 15.81 | 25.44 | SR 212 inMonroe Township | SR 183 inMagnolia | 01937-01-011937 | current | ||
 SR 543 | — | — | Springcreek Township | Orange Township | 01937-01-011937 | 01959-01-011959 | ||
 SR 544 | — | — | Sharon Township | Sharon Township | 01937-01-011937 | 01959-01-011959 | ||
 SR 545 | 16.94 | 27.26 | SR 39 inMansfield | US 250/SR 60 inSavannah | 01937-01-011937 | current | ||
 SR 546 | 11.43 | 18.39 | SR 13 inMiddlebury Township | US 42/SR 97 inLexington | 01937-01-011937 | current | ||
 SR 547 | 8.18 | 13.16 | SR 269 inSherman Township | US 20/SR 18 inMonroeville | 01937-01-011937 | current | ||
 SR 548 | — | — | Mount Eaton | Wadsworth | 01937-01-011937 | 01967-01-011967 | ||
 SR 549 | — | — | Mohicanville | Wooster | 01937-01-011937 | 01938-01-011938 | ||
 SR 550 | — | — | Pebble Township | Waverly | 01937-01-011937 | 01946-01-011946 | ||
 SR 550 | 40.58 | 65.31 | US 33 inAthens Township | SR 7 inWarren Township | 01976-01-011976 | current | ||
 SR 551 | 2.87 | 4.62 | SR 220 inPee Pee Township | SR 104 in Pee Pee Township | 01937-01-011937 | current | ||
 SR 552 | 1.75 | 2.82 | SR 220 inPee Pee Township | SR 104 in Pee Pee Township | 01937-01-011937 | current | ||
 SR 553 | 2.34 | 3.77 | SR 7 inCrown City | SR 218 inGuyan Township | 01937-01-011937 | current | ||
 SR 554 | 20.23 | 32.56 | SR 325 inRaccoon Township | SR 7 inCheshire | 01937-01-011937 | current | ||
 SR 555 | 62.36 | 100.36 | US 50/SR 7/SR 32 inBelpre Township | SR 60 inWayne Township | 01937-01-011937 | current | ||
 SR 556 | 13.24 | 21.31 | SR 145 inBeallsville | SR 7 inClarington | 01937-01-011937 | current | ||
 SR 557 | 10.19 | 16.40 | SR 643 inClark Township | US 62/SR 39 inBerlin Township | 01937-01-011937 | current | ||
 SR 558 | 15.71 | 25.28 | SR 45 inSalem Township | SR 46/SR 170 inEast Palestine | 01938-01-011938 | current | ||
 SR 559 | 16.64 | 26.78 | SR 4/SR 29 inMechanicsburg | SR 287 inZane Township | 01937-01-011937 | current | ||
 SR 560 | 9.94 | 16.00 | SR 55 inMad River Township | SR 29 inConcord Township | 01937-01-011937 | current | ||
 SR 561 | 7.29 | 11.73 | US 50/SR 32/SR 125 inCincinnati | Vine Street/Seymour Street in Cincinnati | 01938-01-011938 | current | ||
 SR 562 | 3.43 | 5.52 | I-75 inCincinnati | I-71 in Cincinnati | 01938-01-011938 | current | ||
 SR 563 | — | — | Dexter City | Middleburg | 01937-01-011937 | 01964-01-011964 | ||
 SR 564 | 13.48 | 21.69 | SR 78 inCaldwell | SR 145 inJefferson Township | 01937-01-011937 | current | ||
 SR 565 | 6.98 | 11.23 | SR 145 inElk Township | SR 260 inBethel Township | 01937-01-011937 | current | ||
 SR 566 | 4.80 | 7.72 | SR 147 inSeneca Township | SR 285 inWayne Township | 01937-01-011937 | current | ||
 SR 567 | — | — | Northwest Township | Pioneer | 01938-01-011938 | 01955-01-011955 | ||
 SR 568 | — | — | Sylvania | Washington Township | 01939-01-011939 | 01951-01-011951 | ||
 SR 568 | 16.18 | 26.04 | SR 12/SR 37 inFindlay | US 23/SR 103/SR 199 inCarey | 01965-01-011965 | current | ||
 SR 569 | — | — | Jefferson Township | Madison Township | 01938-01-011938 | 01955-01-011955 | ||
 SR 570 | — | — | Providence Township | Waterville Township | 01937-01-011937 | 01961-01-011961 | ||
 SR 571 | — | — | Bridgewater Township | Bridgewater Township | 01937-01-011937 | 01955-01-011955 | ||
 SR 571 | 50.47 | 81.22 | SR 28 atIndiana state line inUnion City | US 40 inBethel Township | 01962-01-011962 | current | ||
 SR 572 | — | — | Bailey | Sylvania Township | 01937-01-011937 | 01945-01-011945 | ||
 SR 573 | — | — | Tiffin Township | Adams Township | 01939-01-011939 | 01945-01-011945 | ||
 SR 574 | 4.35 | 7.00 | SR 566 inSeneca Township | SR 313 inRichland Township | 01947-01-011947 | current | ||
 SR 575 | 2.60 | 4.18 | Neumans Ferry Dock onKelleys Island | Division Street on Kelleys Island | 01937-01-011937 | current | ||
 SR 576 | 20.52 | 33.02 | SR 2 inCenter Township | Hillsdale Road inBridgewater Township | 01937-01-011937 | current | ||
 SR 577 | — | — | Waterville | Toledo | 01939-01-011939 | 01951-01-011951 | ||
 SR 578 | 0.19 | 0.31 | SR 65 inGrand Rapids | US 24 inProvidence Township | 01937-01-011937 | 02012-01-012012 | ||
 SR 579 | 10.76 | 17.32 | SR 51 inLake Township | SR 2 inBenton Township | 01937-01-011937 | current | ||
 SR 580 | — | — | Richland Township | Ridgeville | 01939-01-011939 | 01957-01-011957 | ||
 SR 581 | — | — | Toledo | Bono | 01937-01-011937 | 01939-01-011939 | ||
 SR 582 | 20.09 | 32.33 | SR 65 inWashington Township | SR 105 inWoodville Township | 01940-01-011940 | current | ||
 SR 584 | — | — | Salem Township | Bay Township | 01937-01-011937 | 01957-01-011957 | ||
 SR 585 | — | — | Kipton | Oberlin | 01937-01-011937 | 01939-01-011939 | ||
 SR 585 | 19.91 | 32.04 | SR 3/SR 83 inWooster | SR 21 inNorton | 01969-01-011969 | current | ||
 SR 586 | 29.98 | 48.25 | SR 146 inLicking Township | SR 13 inMount Vernon | 01939-01-011939 | current | ||
 SR 587 | 12.50 | 20.12 | SR 53 inTymochtee Township | SR 18 inFostoria | 01937-01-011937 | current | ||
 SR 588 | 11.71 | 18.85 | SR 325 inRio Grande | SR 7 inGallipolis | 01947-01-011947 | current | ||
 SR 589 | 16.67 | 26.83 | SR 55 inCasstown | SR 29 inGreen Township | 01937-01-011937 | current | ||
 SR 590 | 25.13 | 40.44 | SR 12 inBettsville | SR 2 inBenton Township | 01937-01-011937 | current | ||
 SR 591 | — | — | Springville | Tiffin | 01937-01-011937 | 01955-01-011955 | ||
 SR 592 | — | — | Jackson Towhship | Jackson Township | 01937-01-011937 | 01955-01-011955 | ||
 SR 595 | 9.18 | 14.77 | US 33 inGreen Township | SR 216 inNew Straitsville | 01937-01-011937 | current | ||
 SR 596 | — | — | Hebron | Edgewater Beach | 01937-01-011937 | 01958-01-011958 | ||
 SR 598 | 23.43 | 37.71 | SR 19/SR 61/SR 309 inGalion | SR 103 inNew Haven Township | 01937-01-011937 | current | ||
 SR 600 | 9.67 | 15.56 | US 23 inMadison Township | US 20 inWashington Township | 01937-01-011937 | current | ||
 SR 601 | 5.94 | 9.56 | SR 18 onNorwalk–Townsend township line | SR 113 inMilan | 01938-01-011938 | current | ||
 SR 602 | 14.47 | 23.29 | SR 19 inPolk Township | SR 103 inNew Washington | 01937-01-011937 | current | ||
 SR 603 | 33.58 | 54.04 | SR 95 inMonroe Township | SR 61/SR 98 inPlymouth | 01938-01-011938 | current | ||
 SR 604 | 24.04 | 38.69 | US 42 inJackson Township | SR 94/SR 585 inChippewa Township | 01937-01-011937 | current | ||
 SR 605 | 9.38 | 15.10 | US 62 inNew Albany | SR 37 inTrenton Township | 01937-01-011937 | current | ||
 SR 606 | 4.26 | 6.86 | SR 3 inGranger Township | SR 94/SR 303 inHinckley Township | 01937-01-011937 | current | ||
 SR 607 | 0.44 | 0.71 | WV 106 atWest Virginia state line nearHuntington, WV | SR 7 in Proctorville | 01986-01-011986 | 02007-01-012007 | ||
| SR 607 | 1.69 | 2.72 | SR 60 inMorgan Township | SR 78 in Morgan Township | 02011-01-012011 | current | ||
 SR 608 | 19.47 | 31.33 | SR 528 inMiddlefield Township | CR 360/CR 412 inConcord Township | 01938-01-011938 | current | ||
 SR 609 | 2.65 | 4.26 | SR 7 inHartford Township | CR 182 inOrangeville | 01937-01-011937 | current | ||
 SR 611 | 11.13 | 17.91 | US 6 inLorain | SR 254 inAvon | 01937-01-011937 | current | ||
 SR 612 | 10.1 | 16.3 | SR 82 inStrongsville | SR 10 inCleveland | 01937-01-011937 | 01951-01-011951 | ||
 SR 613 | — | — | Glenwillow | Solon | 01937-01-011937 | 01945-01-011945 | ||
 SR 613 | 75.86 | 122.08 | State Line Road onBenton–Harrison township line | US 23/SR 18/SR 199 inFostoria | 01970-01-011970 | current | ||
 SR 614 | — | — | Concord Township | Madison | 01937-01-011937 | 01942-01-011942 | ||
 SR 615 | 6.87 | 11.06 | SR 306 inKirtland | SR 283 inMentor-on-the-Lake | 01937-01-011937 | current | ||
 SR 616 | 10.48 | 16.87 | SR 170 inPoland | US 62/SR 7/SR 304 inHubbard | 01939-01-011939 | current | ||
 SR 617 | 4.74 | 7.63 | SR 165 inSpringfield Township | PA 351 atPennsylvania state line in Springfield Township | 01937-01-011937 | current | ||
 SR 618 | 7.45 | 11.99 | US 50/SR 7/SR 32 inBelpre Township | SR 7 inBelpre | 01937-01-011937 | current | ||
 SR 619 | 28.98 | 46.64 | I-76/US 224 inAkron | SR 183 inAlliance | 01937-01-011937 | current | ||
 SR 621 | 5.98 | 9.62 | US 36 inKeene Township | CR 190 inWhite Eyes Township | 01941-01-011941 | current | ||
 SR 622 | — | — | Poland Township | Poland Township | 01937-01-011937 | 01941-01-011941 | ||
 SR 623 | — | — | Alliance | Alliance | 01938-01-011938 | 01941-01-011941 | ||
 SR 625 | 3.36 | 5.41 | US 224 inBoardman Township | US 62 inYoungstown | 01937-01-011937 | current | ||
 SR 626 | 3.46 | 5.57 | SR 165 inBeaver Township | SR 7 in Beaver Township | 01937-01-011937 | current | ||
 SR 627 | — | — | SR 14/US 224 inDeerfield | SR 5 inParis | 01937-01-011937 | 01969-01-011969 | ||
 SR 627 | 4.76 | 7.66 | US 30/US 62 inPerry Township | I-77 inCanton | 01987-01-011987 | current | ||
 SR 628 | — | — | North Canton | North Canton | 01937-01-011937 | 01967-01-011967 | ||
 SR 629 | — | — | Jackson Township | Youngstown | 01937-01-011937 | 01941-01-011941 | ||
 SR 630 | 2.56 | 4.12 | SR 170 inNew Middletown | PA 317 atPennsylvania state line inSpringfield Township | 01937-01-011937 | current | ||
 SR 631 | — | — | Valley View | Northfield Center Township | 01937-01-011937 | 01967-01-011967 | ||
 SR 632 | — | — | Stow | Stow | 01937-01-011937 | 01966-01-011966 | ||
 SR 633 | 0.58 | 0.93 | US 20 inWickliffe | Lakeland Boulevard in Wickliffe | 01940-01-011940 | current | ||
 SR 634 | 17.95 | 28.89 | SR 189/SR 190 inFort Jennings | SR 15 inMonroe Township | 01937-01-011937 | current | ||
 SR 635 | 15.18 | 24.43 | SR 18 inBascom | US 6 inJackson Township | 01937-01-011937 | current | ||
 SR 636 | — | — | Harrison Township | Tully Township | 01937-01-011937 | 01942-01-011942 | ||
 SR 637 | 23.16 | 37.27 | US 224 onJackson–Hoaglin township line | SR 66 inBrown Township | 01937-01-011937 | current | ||
 SR 638 | 3.99 | 6.42 | US 68 inMcArthur Township | SR 273 inBelle Center | 01937-01-011937 | current | ||
 SR 640 | 3.35 | 5.39 | SR 283 inWillowick | US 20/SR 174 inWilloughby | 01946-01-011946 | current | ||
 SR 643 | 16.25 | 26.15 | SR 83 inKeene Township | SR 93 inClark Township | 01937-01-011937 | current | ||
 SR 644 | 11.60 | 18.67 | SR 39 inSalineville | US 30/SR 9 inKensington | 01937-01-011937 | current | ||
 SR 646 | 28.78 | 46.32 | US 250 inStock Township | SR 43 inIsland Creek Township | 01937-01-011937 | current | ||
 SR 647 | 9.96 | 16.03 | SR 7 inMartins Ferry | SR 150 inMount Pleasant | 01939-01-011939 | current | ||
 SR 650 | 9.28 | 14.93 | US 52 inHanging Rock | SR 522 inElizabeth Township | 01955-01-011955 | current | ||
 SR 651 | 3.99 | 6.42 | SR 643 inCrawford Township | SR 93 inBaltic | 01939-01-011939 | current | ||
 SR 652 | 0.31 | 0.50 | 12th Street/13th Street inCoal Grove | US 52 in Coal Grove | 02012-01-012012 | current | ||
 SR 655 | — | — | Key | Diles Bottom | 01939-01-011939 | 01967-01-011967 | ||
 SR 656 | 10.07 | 16.21 | SR 61 inKingston Township | SR 229 inSouth Bloomfield Township | 01937-01-011937 | current | ||
 SR 657 | 19.84 | 31.93 | SR 13 inNewton Township | US 36/SR 3 inHilliar Township | 01937-01-011937 | current | ||
 SR 658 | 11.07 | 17.82 | SR 209 inAdams Township | SR 541 inWheeling Township | 01937-01-011937 | current | ||
 SR 660 | 6.33 | 10.19 | SR 313 inWestland Township | SR 209 inJackson Township | 01937-01-011937 | current | ||
 SR 661 | 22.22 | 35.76 | SR 16/SR 37 inGranville Township | SR 13 inMount Vernon | 01937-01-011937 | current | ||
 SR 662 | 8.14 | 13.10 | SR 209 inAdams Township | SR 93 inLinton Township | 01937-01-011937 | current | ||
 SR 663 | — | — | Somerset | Crooksville | 01937-01-011937 | 01937-01-011937 | ||
 SR 664 | 37.08 | 59.67 | SR 56 inBenton Township | SR 256 onRichland–Thorn township line | 01937-01-011937 | current | ||
 SR 665 | 25.64 | 41.26 | US 42/SR 38/SR 56/SR 142 inLondon | US 23/SR 317 inHamilton Township | 01937-01-011937 | current | ||
 SR 666 | 14.17 | 22.80 | SR 60/SR 146 inZanesville | SR 208 inMadison Township | 01937-01-011937 | current | ||
 SR 668 | 29.24 | 47.06 | SR 93 inFalls Township | US 40 inBowling Green Township | 01937-01-011937 | current | ||
 SR 669 | 32.70 | 52.63 | SR 13 inReading Township | SR 37/SR 78 inMalta | 01937-01-011937 | current | ||
 SR 670 | — | — | Senecaville Lake | Salesville | 01937-01-011937 | 01973-01-011973 | ||
 SR 671 | 4.58 | 7.37 | SR 327 inEagle Township | US 50 inHarrison Township | 01939-01-011939 | current | ||
 SR 672 | 3.11 | 5.01 | SR 146 inSpencer Township | SR 821 inBuffalo Township | 01937-01-011937 | current | ||
 SR 673 | — | — | Blue Rock | Cumberland | 01937-01-011937 | 01937-01-011937 | ||
 SR 674 | 16.01 | 25.77 | US 22 onWashington–Clearcreek township line | US 33 inCanal Winchester | 01937-01-011937 | current | ||
 SR 675 | — | — | Buchtel | Trimble Township | 01937-01-011937 | 01962-01-011962 | ||
 SR 676 | 26.40 | 42.49 | SR 555 inWesley Township | SR 7 inMarietta | 01937-01-011937 | current | ||
 SR 677 | 4.78 | 7.69 | US 50 inElk Township | SR 278 inZaleski | 01937-01-011937 | current | ||
 SR 678 | 4.00 | 6.44 | SR 374 inLaurel Township | SR 180 in Laurel Township | 01937-01-011937 | current | ||
 SR 680 | — | — | Mineral | Reedsville | 01937-01-011937 | 01962-01-011962 | ||
 SR 681 | 39.43 | 63.46 | SR 356 inWaterloo Township | SR 124 inOlive Township | 01962-01-011962 | current | ||
 SR 682 | 7.75 | 12.47 | US 33/US 50/SR 32 inAthens Township | SR 13 inChauncey | 01937-01-011937 | current | ||
 SR 683 | 8.22 | 13.23 | SR 93 inClinton Township | US 50 inRichland Township | 01937-01-011937 | current | ||
 SR 684 | 3.91 | 6.29 | SR 143 inScipio Township | SR 681 in Scipio Township | 01937-01-011937 | current | ||
 SR 685 | 5.24 | 8.43 | SR 78 inBuchtel | SR 13 inTrimble Township | 01937-01-011937 | current | ||
 SR 686 | — | — | Lawrence Township | Massillon | 01937-01-011937 | 01941-01-011941 | ||
 SR 687 | 5.70 | 9.17 | SR 241 inJackson Township | I-77/US 62 inCanton | 01937-01-011937 | current | ||
 SR 689 | 7.52 | 12.10 | SR 160 inWilkesville Township | SR 32 inColumbia Township | 01937-01-011937 | current | ||
 SR 690 | 5.00 | 8.05 | US 50/SR 32 inCanaan Township | SR 550 inAmes Township | 01937-01-011937 | current | ||
 SR 691 | 10.29 | 16.56 | SR 56 inWaterloo Township | US 33/SR 78 inNelsonville | 01938-01-011938 | current | ||
 SR 692 | 3.19 | 5.13 | SR 692 inScipio Township | SR 681 inScipio Township | 01937-01-011937 | 02013-01-012013 | ||
 SR 694 | 12.00 | 19.31 | SR 114 inPerry Township | US 224 inGlandorf | 01937-01-011937 | current | ||
 SR 695 | — | — | Lloydsville | Lloydsville | 01939-01-011939 | 01939-01-011939 | ||
 SR 696 | 9.68 | 15.58 | US 30 inRichland Township | SR 12 inRiley Township | 01939-01-011939 | current | ||
 SR 697 | 7.54 | 12.13 | SR 116 inRidge Township | SR 66/SR 190 inDelphos | 01938-01-011938 | current | ||
 SR 698 | 6.44 | 10.36 | SR 103 inVan Buren Township | CR 313 inEagle Township | 01937-01-011937 | current | ||
 SR 699 | 2.02 | 3.25 | Kirby | Kirby | 01937-01-011937 | 01996-01-011996 | ||
 SR 700 | 16.70 | 26.88 | SR 88 inFreedom Township | SR 87/SR 168 inBurton | 01942-01-011942 | current | ||
 SR 701 | 8.93 | 14.37 | SR 309 inMarion Township | US 68 onPleasant–Blanchard township line | 01937-01-011937 | current | ||
 SR 702 | — | — | SR 235 inStokes Township, Logan County | Turkeyfoot Point on theIndian Lake shoreline in Stokes Township | 01940-01-011940 | 01977-01-011977 | ||
 SR 702 | 0.64 | 1.03 | Brilliant, Ohio | West Virginia state line inWells Township, Jefferson County | 02023-01-012023 | current | ||
 SR 703 | 14.92 | 24.01 | SR 219 inMontezuma | SR 29/SR 66/SR 116 inSt. Marys | 01937-01-011937 | current | ||
 SR 704 | — | — | Willshire | Lima | 01937-01-011937 | 01939-01-011939 | ||
 SR 705 | 28.80 | 46.35 | SR 49 inMississinawa Township | SR 29 inClinton Township | 01937-01-011937 | current | ||
 SR 706 | 7.44 | 11.97 | SR 29 inPerry Township | SR 235 inMiami Township | 01937-01-011937 | current | ||
 SR 707 | 19.43 | 31.27 | SR 218 atIndiana state line inBlack Creek Township | SR 117 inUnion Township | 01937-01-011937 | current | ||
 SR 708 | 2.32 | 3.73 | SR 235 inWashington Township | Township Road 253 in Washington Township | 01937-01-011937 | current | ||
 SR 709 | 9.20 | 14.81 | SR 118 inOhio City | SR 116 onYork–Jennings township line | 01938-01-011938 | current | ||
 SR 710 | 4.62 | 7.44 | SR 161 inColumbus | I-270 in Columbus | 01969-01-011969 | current | ||
 SR 711 | 3.44 | 5.54 | I-680 inYoungstown | I-80/SR 11 inLiberty Township | 01974-01-011974 | current | ||
 SR 714 | 3.07 | 4.94 | Union Township | Salem Township | 01937-01-011937 | 01982-01-011982 | ||
 SR 715 | 12.40 | 19.96 | US 36 inUnion Township | US 36 inNellie | 01939-01-011939 | current | ||
 SR 716 | 6.71 | 10.80 | SR 705 inOsgood | SR 274 inChickasaw | 01937-01-011937 | current | ||
 SR 718 | 10.62 | 17.09 | SR 721 inNewton Township | SR 55 inTroy | 01937-01-011937 | current | ||
 SR 719 | 0.61 | 0.98 | US 22/SR 93 onSouth Zanesville–Zanesville municipal line | SR 555 in Zanesville | 01989-01-011989 | current | ||
 SR 720 | 8.20 | 13.20 | SR 65 inClay Township | US 33 inRussells Point | 01937-01-011937 | current | ||
 SR 721 | 17.86 | 28.74 | SR 49 inUnion Township | SR 185 onAdams–Newberry township line | 01937-01-011937 | current | ||
 SR 722 | 16.74 | 26.94 | SR 121 inHarrison Township | SR 49 inMonroe Township | 01937-01-011937 | current | ||
 SR 723 | — | — | Harveysburg | New Burlington | 01939-01-011939 | 01945-01-011945 | ||
 SR 723 | 0.85 | 1.37 | I-70 inCambridge Township | US 22/US 40 inCambridge | 01961-01-011961 | current | ||
 SR 724 | 4.05 | 6.52 | SR 260 inStock Township | SR 145 inFranklin Township | 01937-01-011937 | current | ||
 SR 725 | 48.07 | 77.36 | SR 44 inIsrael Township | US 42 inSpring Valley | 01937-01-011937 | current | ||
 SR 726 | 14.21 | 22.87 | US 127 inWashington Township | SR 121 inNew Madison | 01937-01-011937 | current | ||
 SR 727 | 5.46 | 8.79 | SR 131 inStonelick Township | SR 133 inWayne Township | 01937-01-011937 | current | ||
 SR 728 | 1.93 | 3.11 | US 23/SR 348 inValley Township | CR 28/CR 180 inJefferson Township | 01975-01-011975 | current | ||
 SR 729 | 33.57 | 54.03 | SR 73/SR 350 inGreen Township | SR 323 inStokes Township | 01937-01-011937 | current | ||
 SR 730 | 11.43 | 18.39 | SR 133 inMarion Township | US 68/SR 134 inWilmington | 01939-01-011939 | current | ||
 SR 732 | 30.61 | 49.26 | SR 129 inReily Township | US 35/US 127/SR 122 inEaton | 01938-01-011938 | current | ||
 SR 733 | 2.25 | 3.62 | SR 124/SR 833 inPomeroy | US 33/SR 7 inSalisbury Township | 02013-01-012013 | current | ||
 SR 734 | 16.58 | 26.68 | SR 72 inJamestown | SR 38 inPaint Township | 01937-01-011937 | current | ||
 SR 735 | 1.41 | 2.27 | US 35 inGallipolis Township | SR 7 inAddison Township | 01969-01-011969 | current | ||
 SR 736 | 8.41 | 13.53 | US 42 inJerome Township | SR 38 inMarysville | 01937-01-011937 | current | ||
 SR 739 | 35.50 | 57.13 | US 33/SR 287 inAllen Township | SR 4/SR 423 inMarion | 01937-01-011937 | current | ||
 SR 741 | 27.23 | 43.82 | I-71 inDeerfield Township | I-75 inMoraine | 01938-01-011938 | current | ||
 SR 743 | 6.76 | 10.88 | 5th Street inMoscow | SR 222 inWashington Township | 01937-01-011937 | current | ||
 SR 744 | 10.82 | 17.41 | US 127 inSomers Township | SR 122 inMadison Township | 01937-01-011937 | current | ||
 SR 745 | 9.99 | 16.08 | US 33/SR 161 inDublin | US 42/SR 257 inConcord Township | 01937-01-011937 | current | ||
 SR 746 | 13.00 | 20.92 | US 42 inWestfield Township | SR 309 inCaledonia | 01937-01-011937 | current | ||
 SR 747 | 11.35 | 18.27 | SR 4 inGlendale | SR 4 inLiberty Township | 01937-01-011937 | current | ||
 SR 748 | 5.80 | 9.33 | SR 126 inMorgan Township | SR 129 inRoss Township | 01937-01-011937 | current | ||
 SR 749 | 5.51 | 8.87 | US 52 inPierce Township | SR 132 inOhio Township | 01937-01-011937 | current | ||
 SR 750 | 9.67 | 15.56 | SR 257 inLiberty Township | I-71 inColumbus | 01937-01-011937 | current | ||
 SR 751 | — | — | Madison Township | Columbus | 01937-01-011937 | 01959-01-011959 | ||
 SR 751 | 15.96 | 25.69 | SR 93 inWest Lafayette | I-77 inStone Creek | 01962-01-011962 | current | ||
 SR 752 | 8.43 | 13.57 | US 23 inSouth Bloomfield | SR 674 onWalnut–Amanda township line | 01937-01-011937 | current | ||
 SR 753 | 35.35 | 56.89 | SR 41 inBrush Creek Township | US 22 inWashington Court House | 01937-01-011937 | current | ||
 SR 754 | 6.72 | 10.81 | SR 39/SR 60 inMonroe Township | SR 514 inRipley Township | 01962-01-011962 | current | ||
 SR 756 | 13.16 | 21.18 | SR 232 inMonroe Township | SR 505 inLewis Township | 01937-01-011937 | current | ||
 SR 757 | 5.68 | 9.14 | SR 13 inSomerset | SR 204 inHopewell Township | 01938-01-011938 | current | ||
 SR 761 | 4.33 | 6.97 | SR 313 inWayne Township | SR 265 inSalesville | 01974-01-011974 | current | ||
 SR 762 | 14.89 | 23.96 | US 62/SR 3 inDarby Township | CR 385 inHarrison Township | 01938-01-011938 | current | ||
 SR 763 | 12.70 | 20.44 | SR 41 inHuntington Township | SR 125 inByrd Township | 01937-01-011937 | current | ||
 SR 764 | 4.16 | 6.69 | SR 93 inAkron | SR 241 in Akron | 01946-01-011946 | current | ||
 SR 767 | 0.30 | 0.48 | SR 7 inBridgeport | US 40/US 250 in Bridgeport | — | — | ||
 SR 768 | 1.70 | 2.74 | US 36 inMount Vernon | SR 3 inMonroe Township | 01946-01-011946 | current | ||
 SR 770 | 10.52 | 16.93 | SR 247 inSeaman | SR 73 inBratton Township | 01937-01-011937 | current | ||
 SR 771 | 7.11 | 11.44 | SR 138 inPaint Township | SR 28 inLeesburg | 01937-01-011937 | current | ||
 SR 772 | 45.99 | 74.01 | SR 73 inRarden | US 50/SR 104 inChillicothe | 01937-01-011937 | current | ||
 SR 773 | — | — | Rochester Township | Akron | 01937-01-011937 | 01937-01-011937 | ||
 SR 774 | 14.93 | 24.03 | SR 133 inFranklin Township | US 68 inPike Township | 01938-01-011938 | current | ||
 SR 775 | 35.30 | 56.81 | WV 106 atWest Virginia state line inProctorville | SR 141 inGreen Township | 01937-01-011937 | current | ||
 SR 776 | 16.27 | 26.18 | SR 335 inMadison Township | SR 139 inJackson | 01938-01-011938 | current | ||
 SR 778 | 0.43 | 0.69 | SR 101 inAdams Township | SR 19 in Adams Township | 01942-01-011942 | current | ||
 SR 780 | — | — | Salem Township | Hamer Township | 01937-01-011937 | 01946-01-011946 | ||
 SR 781 | 10.99 | 17.69 | SR 41 inMeigs Township | SR 348 inJefferson Township | 01938-01-011938 | current | ||
 SR 782 | — | — | Columbus | Columbus | 01949-01-011949 | 01957-01-011957 | ||
 SR 785 | 3.60 | 5.79 | SR 247 inJackson Township | SR 73 in Jackson Township | 01937-01-011937 | current | ||
 SR 788 | 6.27 | 10.09 | SR 93 inJackson | SR 93 inCoal Township | 01939-01-011939 | current | ||
 SR 790 | 7.22 | 11.62 | SR 775 inMason Township | SR 218 inGuyan Township | 01937-01-011937 | current | ||
 SR 791 | — | — | Canton | Canton | 01946-01-011946 | 01976-01-011976 | ||
 SR 792 | 5.53 | 8.90 | SR 676 inWesley Township | SR 266 inWindsor Township | 01937-01-011937 | current | ||
 SR 793 | — | — | Marble Cliff | Columbus | 01937-01-011937 | 01937-01-011937 | ||
 SR 793 | 4.80 | 7.72 | Hocking Township | US 33 inLancaster | 01959-01-011959 | 02006-01-012006 | ||
 SR 794 | — | — | Washingtonville | Marquis | 01937-01-011937 | 01942-01-011942 | ||
 SR 794 | 2.51 | 4.04 | US 68 inGreen Township | SR 72 inGreen Township | 01950-01-011950 | 02013-01-012013 | ||
 SR 795 | 12.20 | 19.63 | US 20/SR 199 inPerrysburg | SR 51 onClay–Allen township line | 01937-01-011937 | current | ||
 SR 796 | — | — | Rockbridge | Rockbridge | 01938-01-011938 | 01964-01-011964 | ||
 SR 797 | — | — | Franklin Township | Mantua Township | 01939-01-011939 | 01941-01-011941 | ||
 SR 797 | 1.19 | 1.92 | US 22/US 40 inPerry Township | I-70 inPerry Township | 01946-01-011946 | 02014-01-012014 | ||
 SR 798 | 5.29 | 8.51 | Colerain Township | Martins Ferry | 01939-01-011939 | 01978-01-011978 | ||
 SR 799 | 6.05 | 9.74 | SR 800 inWashington Township | CR 21/CR 60 inNottingham Township | 01949-01-011949 | current | ||
 SR 800 | 110.14 | 177.25 | SR 7 inJackson Township | I-77 inCanton | 01969-01-011969 | current | ||
 SR 807 | 0.42 | 0.68 | SR 7 inNewport Township | WV 807 atWest Virginia state line in Newport Township | 01977-01-011977 | current | ||
 SR 814 | 3.07 | 4.94 | US 36 inUnion Township | SR 296 inSalem Township | 01982-01-011982 | current | ||
 SR 821 | 48.90 | 78.70 | SR 60 inMuskingum Township | I-77/SR 209 inByesville | 01971-01-011971 | current | ||
 SR 822 | 0.13 | 0.21 | 7th Street inSteubenville | SR 7 in Steubenville | 01990-01-011990 | current | ||
 SR 823 | 16.00 | 25.75 | US 52 inSciotodale | US 23 inLucasville | 02018-01-012018 | current | ||
 SR 824 | 0.57 | 0.92 | Lebanon Township | Lebanon Township | 01981-01-011981 | 02003-01-012003 | ||
 SR 833 | 5.10 | 8.21 | WV 62 inPomeroy | US 33 /SR 7 /SR 124 near Pomeroy | 02003-01-012003 | current | ||
 SR 835 | 6.59 | 10.61 | US 35 inDayton | US 35 inBeavercreek | 01987-01-011987 | current | ||
 SR 844 | 2.40 | 3.86 | I-675 inBeavercreek | Wright-Patterson Air Force Base entrance inFairborn | 01994-01-011994 | current | ||
 SR 850 | 5.04 | 8.11 | SR 588 inGreen Township | SR 554 inSpringfield Township | 01994-01-011994 | current | ||
 SR 852 | 0.94 | 1.51 | Carl Perkins Memorial Bridge inWashington Township | SR 73/SR 104 in Washington Township | 01988-01-011988 | current | ||
 SR 872 | 0.63 | 1.01 | SR 7 inMead Township | WV 2 Spur atWest Virginia state line in Mead Township | 01986-01-011986 | current | ||
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