title: 1923 Ohio state highway renumbering
text: # 1923 Ohio state highway renumbering
  
  This article is part of the highway renumbering series. :
  
  | Alabama | 1928, 1957 |
  | - | - |
  | Arkansas | 1926 |
  | California | 1964 |
  | Colorado | 1953, 1968 |
  | Connecticut | 1932, 1963 |
  | Florida | 1945 |
  | Indiana | 1926 |
  | Iowa | 1926, 1969 |
  | Louisiana | 1955 |
  | Maine | 1933 |
  | Massachusetts | 1933 |
  | Minnesota | 1934 |
  | Missouri | 1926 |
  | Montana | 1932 |
  | Nebraska | 1926 |
  | Nevada | 1976 |
  | New Jersey | 1927, 1953 |
  | New Mexico | 1988 |
  | New York | 1927, 1930 |
  | North Carolina | 1934, 1937, 1940, 1961 |
  | Ohio | 1923, 1927, 1962 |
  | Pennsylvania | 1928, 1961 |
  | Puerto Rico | 1953 |
  | South Carolina | 1928, 1937 |
  | South Dakota | 1927, 1975 |
  | Tennessee | 1983 |
  | Texas | 1939 |
  | Utah | 1962, 1977 |
  | Virginia | 1923, 1928, 1933, 1940, 1958 |
  | Washington | 1964 |
  | Wisconsin | 1926 |
  | Wyoming | 1927 |
  | This box: viewtalkedit ||
  
  In 1923, Ohio renumbered almost all of its state highways in order to simplify the system.
  
  | Old | New | Now | From | To |
  | - | - | - | - | - |
  | 1 National Road | State Route 1 | US 40 | Indiana | Pennsylvania |
  | 2 Cleveland-Buffalo Road | State Route 2 | US 20 | Cleveland | Pennsylvania |
  | 3 Cleveland-Sandusky Road | State Route 12 | US 6 | Cleveland | Sandusky |
  | 4 Columbus-Sandusky Road | State Route 4 | US 23 | Columbus | Waldo |
  | 4 Columbus-Sandusky Road | State Route 98 | SR 98 | Waldo | Bucyrus |
  | 4 Columbus-Sandusky Road | State Route 4 | SR 4 | Bucyrus | Sandusky |
  | 5 Portsmouth-Columbus Road | State Route 4 | US 23 | Portsmouth | Columbus |
  | 6 Columbus-Cincinnati Road | State Route 28 | SR 142, US 42 | West Jefferson | Sharonville |
  | 7 Ohio River Road | State Route 7 | US 52, SR 7 | Cincinnati | Pomeroy |
  | 7 Ohio River Road | State Route 144 | SR 124 | Hockingport | Little Hocking |
  | 7 Ohio River Road | State Route 7 | SR 7 | Little Hocking | East Liverpool |
  | 7 Ohio River Road | State Route 5 | SR 39 | East Liverpool | Pennsylvania |
  | 8 Cincinnati-Chillicothe Road | State Route 27 | US 50, SR 28 | Cincinnati | Chillicothe |
  | 9 Milford-Hillsboro Road | State Route 26 | US 50 | Milford | Hillsboro |
  | 10 Cincinnati-Zanesville Road | State Route 3 | SR 3/US 22 | Cincinnati | Washington Court House |
  | 10 Cincinnati-Zanesville Road | State Route 40 | US 22 | Washington Court House | Zanesville |
  | 11 Toledo-Detroit Road | State Route 6 | US 25 (former) | Toledo | Michigan |
  | 12 Cleveland-East Liverpool Road | State Route 14 | SR 14 | Cleveland | Salem |
  | 12 Cleveland-East Liverpool Road | State Route 45 | SR 45 | Salem | Lisbon |
  | 12 Cleveland-East Liverpool Road | State Route 5 | US 30 | Lisbon | East Liverpool |
  | 13 Youngstown-Conneaut Road | State Route 7 | SR 7 | Hubbard | Conneaut |
  | 14 Youngstown-Lowellville Road | State Route 18 | SR 289 | Youngstown | Pennsylvania |
  | 15 Cleveland-Meadville Road | State Route 15 | US 322 | Cleveland | Pennsylvania |
  | 16 Akron-Cleveland Road | State Route 8 | SR 8 | Akron | Cleveland |
  | 17 Cleveland-Massillon Road | State Route 13 | SR 21 | Cleveland | Massillon |
  | 18 Akron-Youngstown Road | State Route 18 | SR 18 (former) | Akron (east of) | Youngstown |
  | 19 Cincinnati-Dayton Road | State Route 28 | US 42 | Cincinnati | Sharonville |
  | 19 Cincinnati-Dayton Road | State Route 124 | US 25 (former) | Sharonville | Franklin |
  | 19 Cincinnati-Dayton Road | State Route 6 | US 25 (former) | Franklin | Dayton |
  | 20 Toledo-Wauseon Road | State Route 2 | SR 2 | Toledo | Wauseon |
  | 21 Toledo-Angola Road | State Route 23 | US 20, SR 120 | Toledo | Indiana |
  | 22 Lima-Sandusky Road | State Route 6 | US 25 (former) | Lima | Findlay |
  | 22 Lima-Sandusky Road | State Route 12 | SR 12, US 6 | Findlay | Sandusky |
  | 23 Columbus-Millersburg Road | State Route 19 | US 62 | Columbus | Millersburg |
  | 24 Columbus-Wooster Road | State Route 3 | SR 3 | Columbus | Wooster |
  | 25 Cleveland-Wooster Road | State Route 3 | SR 3, US 42 | Cleveland | Wooster |
  | 26 Steubenville-Cambridge Road | State Route 49 | US 22 | Steubenville | Cambridge |
  | 27 Dayton-Lakeview Road | State Route 201 | SR 201 | Dayton | Brandt |
  | 27 Dayton-Lakeview Road | State Route 69 | SR 235 | East of Brandt | Lakeview |
  | 28 Dayton-Indianapolis Road | State Route 11 | US 35 | Dayton | Eaton |
  | 28 Dayton-Indianapolis Road | State Route 122 | SR 122 | Eaton | Indiana |
  | 29 Dayton-Chillicothe Road | State Route 11 | US 35 | Dayton | Chillicothe |
  | 30 Cincinnati-West Union Road | State Route 25 | SR 125 | Cincinnati | West Union |
  | 31 Cleveland-Elyria Road | State Route 2 | US 20 | Cleveland | Elyria |
  | 32 Cleveland-Hinckley-Medina Road | State Route 55 | SR 94, SR 3 | Cleveland | Medina |
  | 33 Cleveland-Burton Road | State Route 16 | US 422 | Cleveland | Chagrin Falls (west of) |
  | 33 Cleveland-Burton Road | State Route 87 | SR 87 | Chagrin Falls (west of) | Burton |
  | 34 Euclid-Chardon Road | State Route 85 | US 6 | Euclid | Chardon |
  | 35 Chagrin Falls-Greenville Road | State Route 16 | US 422 | Chagrin Falls (west of) | Parkman |
  | 35 Chagrin Falls-Greenville Road | State Route 87 | SR 88 | Parkman | Pennsylvania |
  | 36 Twinsburg-Elyria Road | State Route 81 | SR 82 | Twinsburg | Elyria (south of) |
  | 37 Rocky River-Berea Road | State Route 232 | SR 237, Eastland Road, Fowles Road | Rocky River | Berea (east of) |
  | 38 Cincinnati-Louisville Road | State Route 7 | SR 264, US 50 | Cincinnati | Indiana |
  | 39 Cincinnati-Hamilton Road | State Route 9 | US 127 | Cincinnati | Hamilton |
  | 40 Cincinnati-Brookville Road | State Route 129 | US 27, SR 126 | Cincinnati | Indiana |
  | 41 Cincinnati-Batavia Road | State Route 74 | SR 32 | Cincinnati | Batavia |
  | 42 Harrison Road | State Route 130 | US 52 | Cincinnati | Indiana |
  | 43 Carthage-Hamilton Road | State Route 6 | SR 4 | Carthage | Hamilton |
  | 44 Hamilton-Cleves Road | State Route 128 | SR 128 | Hamilton | Cleves |
  | 45 Dunlap-Springdale Road | State Route 26 | SR 126 | Dunlap | Springdale |
  | 46 Glendale-Milford Road | State Route 26 | SR 126 | Glendale | Milford |
  | 47 Columbus-Newark Road | State Route 20 | SR 16 | Columbus | Newark |
  | 48 Columbus-Marysville Road | State Route 21 | US 33 | Columbus | Marysville |
  | 49 Columbus-Lancaster Road | State Route 21 | US 33 | Columbus | Lancaster |
  | 50 Columbus-Washington Court House Road | State Route 3 | SR 3/US 62 | Columbus | Washington Court House |
  | 51 Toledo-Napoleon Road | State Route 31 | US 24 | Toledo | Napoleon |
  | 52 Toledo-Elmore Road | State Route 2 | SR 51 | Toledo | Southeast of Woodville |
  | 53 Toledo-Perrysburg Road | State Route 6 | SR 65 | Toledo | Perrysburg |
  | 53 Toledo-Perrysburg Road | State Route 110 | SR 65 | Perrysburg | Grand Rapids |
  | 54 Toledo-Lansing Road | State Route 112 | SR 51 | Toledo | Michigan |
  | 55 Toledo-Ann Arbor Road | State Route 183 | SR 246, Secor Road | Toledo | Michigan |
  | 56 Jerusalem Road | State Route 23 | SR 2 | Toledo | Bono |
  | 57 Perrysburg-Holland Road | State Route 102 | US 20, Perrysburg Holland Road | Perrysburg | Holland |
  | 58 Holland-Sylvania Road | State Route 63 | US 20, Holland Sylvania Road | Southeast of Holland | Sylvania |
  | 59 Waterville-Swanton Road | State Route 64 | SR 64 | Waterville | Swanton |
  | 60 Dayton-Springfield Road | State Route 52 | SR 4 | Dayton | Springfield |
  | 61 Dayton-Troy Road | State Route 6 | US 25 (former) | Dayton | Troy |
  | 62 Dayton-Greenville Road | State Route 51 | SR 49 | Dayton | Greenville |
  | 63 Dayton-Covington Road | State Route 50 | SR 48 | Dayton | Covington (north of) |
  | 64 Dayton-Lebanon Road | State Route 50 | SR 48 | Dayton | Lebanon |
  | 65 Dayton-Germantown Road | State Route 52 | SR 4 | Dayton | Germantown |
  | 66 Akron-Canton Road | State Route 8 | SR 8 (former) | Akron | Canton |
  | 67 Canton-Alliance Road | State Route 44 | US 62 | Canton | Louisville (north of) |
  | 67 Canton-Alliance Road | State Route 19 | US 62, SR 193 (former) | Louisville (north of) | Alliance |
  | 68 Canton-Massillon Road | State Route 5 | SR 172 | Canton | Massillon |
  | 69 Massillon-Wooster Road | State Route 5 | US 30, SR 172 | Massillon | Wooster |
  | 70 Canton-Canal Dover Road | State Route 8 | SR 800 | Canton | New Philadelphia |
  | 71 Akron-Massillon Road | State Route 93 | SR 93, SR 236 | Akron | Massillon |
  | 72 Canton-New Franklin Road | State Route 5 | SR 172 | Canton | Osnaburg |
  | 72 Canton-New Franklin Road | State Route 172 | SR 172 | Osnaburg | New Franklin |
  | 73 Canton-Louisville Road | State Route 19 | SR 153 | Canton | Louisville |
  | 74 Ravenna-Louisville Road | State Route 44 | SR 44 | Ravenna | Louisville (north of) |
  | 74 Ravenna-Louisville Road | State Route 19 | SR 44 | Louisville (north of) | Louisville |
  | 75 Canton-Steubenville Road | State Route 43 | SR 43 | Canton | Waynesburg |
  | 75 Canton-Steubenville Road | State Route 171 | SR 171 | Waynesburg | Carrollton |
  | 75 Canton-Steubenville Road | State Route 43 | SR 43 | Carrollton | Steubenville |
  | 76 Alliance-Yale Road | State Route 80 | SR 225 | Alliance | East of Atwater Center |
  | 76 Alliance-Yale Road | State Route 225 | SR 225 (former) | East of Atwater Center | Yale |
  | 77 Massillon-Canal Dover Road | State Route 13 | SR 21 | Massillon | Northwest of Strasburg |
  | 78 Alliance-Minerva Road | State Route 80 | SR 183 | Alliance | Minerva |
  | 79 Navarre-Berlin Road | State Route 19 | US 62 | Navarre | Berlin |
  | 80 Youngstown-Warren Road | State Route 16 | US 422 | Youngstown | Girard |
  | 80 Youngstown-Warren Road | State Route 169 | US 422 | Girard | Warren |
  | 81 Youngstown-Salem Road | State Route 19 | US 62 | Youngstown | Salem |
  | 82 Youngstown-Lisbon Road | State Route 164 | SR 164, SR 7 | Youngstown | Lisbon |
  | 83 Pittsburg-Youngstown Road | State Route 90 | SR 170, SR 617 | Pennsylvania | Youngstown |
  | 84 Alliance-Salem Road | State Route 19 | US 62, SR 173 (former) | Alliance | Salem |
  | 85 Youngstown-New Bedford Road | State Route 16 | US 422 | Youngstown | Pennsylvania |
  | 86 Salem-Unity Road | State Route 14 | SR 14 | Salem | Unity |
  | 86 Salem-Unity Road | State Route 170 | SR 14 | Unity | Pennsylvania |
  | 87 Akron-Canfield Road | State Route 17 | US 224 | Akron | Canfield |
  | 88 Niles-Warren Road | State Route 16 | SR 169 | Girard | Warren |
  | 89 North Lima-East Palestine Road | State Route 165 | SR 165 | North Lima | Unity |
  | 89 North Lima-East Palestine Road | State Route 14 | SR 165 | Unity | East Palestine |
  | 90 Chagrin Falls-Willoughby Road | State Route 174 | SR 174 | Chagrin Falls | Willoughby |
  | 91 Cuyahoga Falls-Chagrin Falls Road | State Route 91 | SR 91 | Cuyahoga Falls | Solon |
  | 91 Cuyahoga Falls-Chagrin Falls Road | State Route 174 | SR 174 (former) | Solon | Chagrin Falls |
  | 92 Akron-Cuyahoga Falls Road | State Route 36 | SR 59 | Akron | Cuyahoga Falls |
  | 93 Cuyahoga Falls-Kent Road | State Route 36 | SR 59 | Cuyahoga Falls | Kent |
  | 94 Akron-Kent Road | State Route 36 | SR 261 | Akron | Kent |
  | 95 Akron-Medina Road | State Route 18 | SR 18 | Akron | Medina |
  | 96 Akron-Wooster Road | State Route 36 | SR 585 | Akron | Wooster |
  | 97 Barberton-Greenwich Road | State Route 17 | US 224 | Barberton | Chicago Junction |
  | 98 Ghent Road | State Route 92 | SR 176 (former) | Northwest of Akron | Ghent |
  | 99 High Ridge-Bellaire Road | State Route 214 | SR 214 (former) | St. Clairsville (east of) | Bellaire |
  | 100 Bridgeport-Cadiz Road | State Route 13 | US 250 | Bridgeport | Cadiz |
  | 101 Barnesville-Hendrysburg Road | State Route 48 | SR 800 | Barnesville | Hendrysburg |
  | 102 Cadiz-St. Clairsville Road | State Route 35 | SR 9 | Cadiz | St. Clairsville |
  | 103 New Athens-Morristown Road | State Route 149 | SR 149 | New Athens | Morristown |
  | 104 Barnesville-Woodsfield Road | State Route 48 | SR 800 | Barnesville | Woodsfield |
  | 105 Barnesville-Powhatan Road | State Route 148 | SR 148 | Barnesville | Powhatan Point |
  | 106 St. Clairsville-Armstrong Mills Road | State Route 35 | SR 9 | St. Clairsville | Armstrongs Mills |
  | 107 Cambridge-Barnesville Road | State Route 148 | SR 265 | Cambridge | Barnesville |
  | 108 Malaga-Alledonia Road | State Route 35 | SR 145 | Malaga | Alledonia |
  | 109 Marion-Waldo Road | State Route 4 | SR 423 | Marion | Waldo |
  | 110 Marion-Bucyrus Road | State Route 4 | SR 4 | Marion | Bucyrus |
  | 111 Marion-Mount Gilead Road | State Route 42 | SR 95 | Marion | Mount Gilead |
  | 112 Marion-Kenton Road | State Route 10 | SR 309 | Kenton | Marion |
  | 113 Marion-Upper Sandusky Road | State Route 22 | US 23, SR 199, SR 423 | Marion | Upper Sandusky |
  | 114 Marion-Galion Road | State Route 10 | SR 309 | Marion | Galion |
  | 115 Marysville-Marion Road | State Route 38 | SR 4 | Marysville | Marion |
  | 116 Delaware-Prospect Road | State Route 203 | SR 203 | Delaware | North of Prospect |
  | 117 Richwood-Larue Road | State Route 47 | SR 37 | South of Richwood | LaRue |
  | 118 Larue-Marseilles Road | State Route 47 | SR 37 | LaRue | Marseilles |
  | 119 West Union-Portsmouth Road | State Route 25 | SR 125 | West Union | Portsmouth (west of) |
  | 120 West Union-Bradysville Road | State Route 41 | SR 41, SR 136 | West Union | Manchester |
  | 121 West Union-Wrightsville Road | State Route 137 | SR 247 | West Union | Wrightsville |
  | 122 West Union-Belfast Road | State Route 137 | SR 247, SR 785 | West Union | Belfast |
  | 123 Hillsboro-Portsmouth Road | State Route 73 | SR 73 | Hillsboro | Portsmouth (north of) |
  | 124 West Union-Sinking Spring Road | State Route 41 | SR 41 | West Union | Bainbridge |
  | 125 Batavia-Winchester Road | State Route 74 | SR 32 | Batavia | South of Seaman |
  | 126 Lima-Wapakoneta Road | State Route 6 | US 25 (former) | Lima | Wapakoneta |
  | 127 Lima-Delphos Road | State Route 10 | SR 309 | Lima | Delphos |
  | 128 Lima-Kenton Road | State Route 10 | SR 309 | Lima | Kenton |
  | 129 Lima-Ottawa Road | State Route 33 | SR 65 | Lima | Ottawa |
  | 130 Lima-Bellefontaine Road | State Route 117 | SR 117 | Lima | North of Huntsville |
  | 130 Lima-Bellefontaine Road | State Route 32 | US 33 | North of Huntsville | Bellefontaine |
  | 131 Delphos-St. Marys Road | State Route 66 | SR 66 | Delphos | St. Marys |
  | 132 Lima-Spencerville Road | State Route 117 | SR 117 | Lima | Conant |
  | 132 Lima-Spencerville Road | State Route 116 | SR 117 | Conant | Spencerville |
  | 133 Findlay-Delphos Road | State Route 106 | SR 12 | Findlay | Vaughnsville |
  | 133 Findlay-Delphos Road | State Route 189 | SR 12 (former) | Vaughnsville | Gomer |
  | 133 Findlay-Delphos Road | State Route 5 | US 30 | Gomer | Delphos |
  | 134 Kalida-Lima Road | State Route 115 | SR 115 | Kieferville | Lima |
  | 135 Van Wert-Spencerville Road | State Route 116 | SR 116, SR 117 | Van Wert | Spencerville |
  | 136 Delphos-Wapakoneta Road | State Route 117 | SR 198 (former) | Delphos (south of) | Conant |
  | 136 Delphos-Wapakoneta Road | State Route 116 | SR 198 | Conant | Wapakoneta |
  | 137 Delphos-Kalida Road | State Route 106 | SR 190 | Delphos | Fort Jennings |
  | 137 Delphos-Kalida Road | State Route 190 | SR 190 | Fort Jennings | West of Kalida |
  | 138 Bluffton-Carey Road | State Route 103 | SR 103 | Bluffton | Carey |
  | 139 Ashland-Medina Road | State Route 55 | US 42 | Ashland | Medina |
  | 140 Mansfield-Ashland Road | State Route 5 | US 42 | Mansfield | Ashland |
  | 141 Ashland-Wooster Road | State Route 5 | US 250 | Ashland | Wooster |
  | 142 Ashland-Norwalk Road | State Route 60 | SR 60/US 250 | Ashland | Savannah |
  | 142 Ashland-Norwalk Road | State Route 180 | US 250 | Savannah | Fitchville |
  | 142 Ashland-Norwalk Road | State Route 30 | SR 13/US 250 | Fitchville | Norwalk |
  | 143 Ashland-Loudonville Road | State Route 60 | SR 60 | Ashland | Loudonville |
  | 144 Ashland-Oberlin Road | State Route 96 | SR 58 | Ashland | South of Sullivan |
  | 144 Ashland-Oberlin Road | State Route 58 | SR 58 | South of Sullivan | Oberlin |
  | 145 Mansfield-Millersburg Road | State Route 39 | SR 39 | Mansfield | Millersburg |
  | 146 Mansfield-Wooster Road | State Route 10 | US 30, SR 430 | Mansfield | Wooster |
  | 147 Hayesville-Nashville Road | State Route 179 | SR 179 | Hayesville | Nashville |
  | 148 Ashland-Shelby Road | State Route 96 | SR 96 | Ashland | Shelby |
  | 149 Savannah-Vermilion Road | State Route 60 | SR 60 | Savannah | Vermilion |
  | 150 Niles-Ashtabula Road | State Route 46 | SR 46 | Niles | Ashtabula |
  | 151 Jefferson-Andover Road | State Route 84 | SR 307, Mells Road, Stanhope-Kelloggsville Road | Jefferson | West Andover |
  | 151 Jefferson-Andover Road | State Route 85 | SR 85, US 6 | West Andover | Pennsylvania |
  | 152 Jefferson-Geneva Road | State Route 84 | SR 307 | Jefferson | Geneva (south of) |
  | 153 Painesville-Warren Road | State Route 86 | SR 86 | Painesville | Windsor |
  | 153 Painesville-Warren Road | State Route 45 | SR 45 | Windsor | Warren |
  | 154 Windsor-Geneva Road | State Route 45 | SR 534 | Windsor | Geneva |
  | 155 Logan-Athens Road | State Route 21 | US 33 | Logan | Athens |
  | 156 Athens-Hockingport Road | State Route 144 | SR 144, US 50 | Athens | Hockingport |
  | 157 Athens-Marietta Road | State Route 26 | SR 550 | Athens | Marietta |
  | 158 New Lexington-Athens Road | State Route 30 | SR 13 | New Lexington | Chauncey |
  | 159 Athens-Pomeroy Road | State Route 21 | US 33 | Athens | Pomeroy |
  | 160 Athens-McArthur Road | State Route 26 | US 50 | Athens | McArthur |
  | 161 Pomeroy-Marietta Road | State Route 7 | SR 7 | Pomeroy | Little Hocking |
  | 162 McConnelsville-Athens Road | State Route 77 | SR 377 | McConnelsville | Sharpsburg |
  | 163 Middleport-McArthur Road | State Route 143 | SR 143 | Pomeroy | West of Albany |
  | 164 Sidney-Wapakoneta Road | State Route 6 | US 25 (former) | Sidney | Wapakoneta |
  | 165 Wapakoneta-St. Marys Road | State Route 32 | US 33 | Wapakoneta | St. Marys |
  | 166 Kenton-Wapakoneta Road | State Route 67 | SR 67 | Wapakoneta | Kenton |
  | 167 St. Marys-Celina Road | State Route 32 | SR 29, SR 703 | St. Marys | Celina |
  | 168 Bellefontaine-Wapakoneta Road | State Route 32 | US 33, SR 366 | North of Huntsville | Wapakoneta |
  | 169 Sidney-St. Marys Road | State Route 54 | SR 29 | Sidney | St. Marys |
  | 170 Piqua-St. Marys Road | State Route 66 | SR 66 | Piqua | St. Marys |
  | 171 Fort Recovery-Minster Road | State Route 119 | SR 119 | Indiana | Minster |
  | 172 Minster-Sidney Road | State Route 119 | SR 119 | Minster | Northwest of Sidney |
  | 173 St. Marys-Fort Wayne Road | State Route 54 | US 33 | St. Marys | Indiana |
  | 174 Celina-Kossuth Road | State Route 197 | SR 197 | Celina | Kossuth |
  | 175 Georgetown-Wilmington Road | State Route 53 | US 68 | Georgetown | Wilmington |
  | 176 Georgetown-Ripley Road | State Route 221 | US 68 | Georgetown | Ripley |
  | 177 Ripley-Hillsboro Road | State Route 38 | US 62 | Ripley | Hillsboro |
  | 178 Georgetown-Higginsport Road | State Route 53 | SR 221 | Georgetown | Higginsport |
  | 179 Hamilton-Middletown Road | State Route 6 | SR 4, SR 73 | Hamilton | Franklin |
  | 180 Hamilton-Eaton Road | State Route 9 | US 127 | Hamilton | Eaton |
  | 181 Hamilton-Richmond Road | State Route 224 | SR 177 | Hamilton | Indiana |
  | 182 Oxford-Millville Road | State Route 126 | US 27 | Indiana | McGonigle |
  | 182 Oxford-Millville Road | State Route 223 | US 27 | McGonigle | Northeast of Ross |
  | 183 Old Oxford Road | State Route 126 | SR 130 | Hamilton | McGonigle |
  | 184 Eaton-Middletown Road | State Route 122 | SR 122 | Eaton | Middletown |
  | 185 Hamilton-Lebanon Road | State Route 125 | SR 63 | Hamilton (east of) | Lebanon |
  | 186 Middletown-Germantown Road | State Route 52 | SR 4 | Middletown | Germantown |
  | 187 Springfield-Urbana Road | State Route 53 | US 68 | Springfield | Urbana |
  | 188 Urbana-West Jefferson Road | State Route 29 | SR 29 | Urbana | West Jefferson |
  | 189 Urbana-Bellefontaine Road | State Route 53 | US 68 | Urbana | Bellefontaine |
  | 190 Piqua-Urbana Road | State Route 29 | US 36 | Piqua | Urbana |
  | 191 Urbana-Marysville Road | State Route 55 | US 36 | Urbana | Marysville |
  | 192 Urbana-Sidney Road | State Route 54 | SR 29 | Urbana | Sidney |
  | 193 Troy-Urbana Northern Road | State Route 202 | Troy Urbana Road | Troy | Urbana |
  | 194 Urbana-London Road | State Route 56 | SR 56 | Urbana (east of) | London |
  | 195 Springfield-Xenia Road | State Route 53 | US 68 | Springfield | Xenia |
  | 196 Springfield-Troy Road | State Route 70 | SR 41 | Springfield | Troy |
  | 197 Springfield-Washington Court House Road | State Route 70 | SR 41 | Springfield | Washington Court House |
  | 198 Milton-Carlisle Road | State Route 71 | SR 571 | West Milton | Donnelsville |
  | 199 Bucyrus-Tiffin Road | State Route 62 | SR 19 | Bucyrus | Broken Sword |
  | 199 Bucyrus-Tiffin Road | State Route 100 | SR 100 | Broken Sword | Tiffin |
  | 200 Bucyrus-Upper Sandusky Road | State Route 5 | US 30 | Bucyrus | Upper Sandusky |
  | 201 Galion-Bucyrus Road | State Route 62 | SR 19 | Galion | Bucyrus |
  | 202 Mansfield-Galion Road | State Route 10 | SR 309 | Mansfield | Galion |
  | 203 Bucyrus-Crestline Road | State Route 5 | US 30 | Bucyrus | Crestline |
  | 204 Shelby-Galion Road | State Route 61 | SR 61 | Shelby | Galion |
  | 205 Plymouth-Bucyrus Road | State Route 98 | SR 98 | Plymouth | Bucyrus |
  | 206 Galion-Mount Gilead Road | State Route 61 | SR 61 | Galion | Mount Gilead |
  | 207 Crestline-Ontario Road | State Route 181 | SR 181 | Crestline | Ontario (west of) |
  | 208 Greenville-Covington Road | State Route 29 | US 36 | Greenville | Covington |
  | 209 Greenville-Milton Road | State Route 71 | SR 571 | Greenville | West Milton |
  | 210 Eaton-Greenville Road | State Route 9 | US 127 | Eaton | Greenville |
  | 211 Celina-Greenville Road | State Route 9 | US 127 | Celina | Greenville |
  | 212 Greenville-Union City Road | State Route 29 | SR 571 | Greenville | Union City |
  | 213 Greenville-Fort Recovery Road | State Route 51 | SR 49 | Greenville | Fort Recovery |
  | 214 Greenville-Versailles Road | State Route 121 | SR 121 | Greenville | Versailles |
  | 215 Greenville-New Paris Road | State Route 121 | SR 121 | Greenville | Indiana |
  | 216 Piqua-Versailles Road | State Route 120 | SR 185 | Piqua | Versailles |
  | 217 Sidney-Versailles Road | State Route 68 | SR 47 | Sidney | Versailles |
  | 218 Versailles-Brock Road | State Route 120 | SR 185 | Versailles | Brock |
  | 219 Findlay-Tiffin Road | State Route 106 | US 224 | Findlay | Tiffin |
  | 220 Findlay-Bowling Green Road | State Route 6 | SR 25 | Findlay | Bowling Green |
  | 221 Findlay-Kenton Road | State Route 21 | US 68 | Findlay | Kenton |
  | 222 Findlay-Upper Sandusky Road | State Route 22 | SR 199, SR 568 | Findlay | Upper Sandusky |
  | 223 Ottawa-Findlay Road | State Route 22 | SR 15 | Ottawa | Findlay |
  | 224 Baltimore-Fostoria Road | State Route 17 | SR 18 | Hoytville | Fostoria |
  | 225 Deshler-Findlay Road | State Route 17 | SR 18 | Deshler (west of) | Hoytville |
  | 225 Deshler-Findlay Road | State Route 186 | SR 186, SR 235 | Hoytville | Findlay (west of) |
  | 226 Bellefontaine-Kenton Road | State Route 53 | US 68 | Bellefontaine | Kenton |
  | 227 Kenton-Forest Road | State Route 53 | SR 53 | Kenton | Forest |
  | 228 Marysville-Kenton Road | State Route 21 | SR 31 | Marysville | Kenton |
  | 229 Kenton-Upper Sandusky Road | State Route 67 | SR 67 | Kenton | Upper Sandusky |
  | 230 Roundhead-Ada Road | State Route 69 | SR 235 | Roundhead | Ada |
  | 231 Ada-Forest Road | State Route 69 | SR 81 | Ada | Forest |
  | 232 Reservoir Road | State Route 69 | SR 235 | Roundhead | Lakeview |
  | 233 Forest-Upper Sandusky Road | State Route 53 | SR 53 | Forest | Upper Sandusky |
  | 234 Sidney-Bellefontaine Road | State Route 68 | SR 47 | Sidney | Bellefontaine |
  | 235 Marysville-Bellefontaine Road | State Route 32 | US 33 | Marysville | Bellefontaine |
  | 236 Bellefontaine-Richwood Road | State Route 68 | SR 47 | Bellefontaine | East of Richwood |
  | 237 Piqua-Sidney Road | State Route 6 | US 25 (former) | Piqua | Sidney |
  | 238 Delaware-Marysville Road | State Route 55 | US 36 | Delaware | Marysville |
  | 239 Marysville-London Road | State Route 38 | SR 38 | Marysville | London |
  | 240 Richwood-Delaware Road | State Route 47 | SR 37 | South of Richwood | Delaware |
  | 241 Delaware-London Road | State Route 160 | US 42 | Delaware | London |
  | 242 Plain City-Dublin Road | State Route 161 | SR 161 | Plain City | Dublin (west of) |
  | 243 London-Circleville Road | State Route 56 | SR 56 | London | Circleville |
  | 244 Washington-London Road | State Route 38 | SR 38 | Bloomingburg (south of) | Bloomingburg |
  | 244 Washington-London Road | State Route 38 | SR 38 | Bloomingburg | London |
  | 245 Piqua-Troy Road | State Route 6 | US 25 (former) | Piqua | Troy |
  | 246 Piqua-Covington Road | State Route 29 | US 36 | Piqua | Covington |
  | 247 Covington-Troy Road | State Route 70 | SR 41 | Covington | Troy |
  | 248 Wilmington-Xenia Road | State Route 53 | US 68 | Wilmington | Xenia |
  | 249 Eaton-Richmond Road | State Route 11 | US 35 | Eaton | Indiana |
  | 250 Franklin-Lebanon Road | State Route 123 | SR 123 | Franklin | Lebanon |
  | 251 Franklin-Wilmington Road | State Route 73 | SR 73 | Franklin | Wilmington |
  | 252 Lebanon-Morrow Road | State Route 123 | SR 123 | Lebanon | Morrow |
  | 253 Roachester-Blanchester Road | State Route 123 | SR 123 | Roachester | Blanchester |
  | 254 Wilmington-Hillsboro Road | State Route 73 | SR 73 | Wilmington | Hillsboro |
  | 255 Batavia-Owensville Road | State Route 132 | SR 132 | Batavia | Owensville |
  | 256 Batavia-New Richmond Road | State Route 132 | SR 132 | Batavia | New Richmond |
  | 257 Bethel-Chilo Road | State Route 133 | SR 133, SR 222 | Bethel | Chilo |
  | 258 Hillsboro-Chillicothe Road | State Route 26 | US 50 | Hillsboro | Chillicothe |
  | 259 Hillsboro-Washington Road | State Route 38 | US 62 | Hillsboro | Washington Court House |
  | 260 Hillsboro-Greenfield Road | State Route 138 | SR 138 | Hillsboro | Greenfield |
  | 261 Hillsboro-Piketon Road | State Route 24 | SR 124 | Hillsboro | Piketon |
  | 262 Celina-Van Wert Road | State Route 9 | US 127 | Celina | Van Wert |
  | 263 Fort Recovery-Willshire Road | State Route 51 | SR 49 | Fort Recovery | Willshire |
  | 264 Celina-Wabash Road | State Route 32 | SR 29 | Celina | Indiana |
  | 265 Van Wert-Rockford Road | State Route 118 | SR 118 | Van Wert | Rockford |
  | 266 Upper Sandusky-Tiffin Road | State Route 53 | SR 53 | Upper Sandusky | Tiffin |
  | 267 Upper Sandusky-Bellevue Road | State Route 67 | SR 67, SR 18, SR 113 | Upper Sandusky | Northeast of Bellevue |
  | 268 Fostoria-Carey Road | State Route 63 | US 23 | Fostoria | Carey |
  | 269 Fremont-Tiffin Road | State Route 53 | SR 53 | Fremont | Tiffin |
  | 270 Tiffin-Fostoria Road | State Route 17 | SR 18 | Tiffin | Fostoria |
  | 271 Tiffin-Bellevue Road | State Route 101 | SR 101 | Tiffin | South of Clyde |
  | 271 Tiffin-Bellevue Road | State Route 229 | SR 113 (former) | South of Clyde | Bellevue |
  | 272 Tiffin-New Haven Road | State Route 17 | US 224 | Tiffin | Chicago Junction |
  | 273 Perrysburg-Fostoria Road | State Route 63 | SR 199 | Perrysburg | Fostoria |
  | 274 Fremont-Bellevue Road | State Route 2 | US 20 | Fremont | Bellevue |
  | 275 Fremont-Perrysburg Road | State Route 2 | US 20 | Fremont | Southeast of Woodville |
  | 275 Fremont-Perrysburg Road | State Route 102 | US 20 | Southeast of Woodville | Perrysburg |
  | 276 Sandusky-Clyde Road | State Route 101 | SR 101 | Sandusky | Clyde (south of) |
  | 277 Fremont-Port Clinton Road | State Route 53 | SR 53 | Fremont | Port Clinton |
  | 278 Fremont-Bowling Green Road | State Route 34 | US 6 | Fremont | Bowling Green |
  | 279 Bowling Green-Port Clinton Road | State Route 105 | SR 105 | Bowling Green | Oak Harbor |
  | 279 Bowling Green-Port Clinton Road | State Route 163 | SR 163 | Oak Harbor | Port Clinton |
  | 280 Fremont-Oak Harbor Road | State Route 62 | SR 19 | Fremont | Oak Harbor |
  | 281 Fremont-Castalia Road | State Route 34 | SR 412 | Fremont | Castalia |
  | 282 Bowling Green-Perrysburg Road | State Route 6 | SR 25 | Bowling Green | Perrysburg |
  | 283 Bowling Green-Waterville Road | State Route 64 | SR 64 | Bowling Green | Waterville |
  | 284 Grand Rapids-Bowling Green Road | State Route 184 | SR 110 (former) | Grand Rapids | Bowling Green (north of) |
  | 285 Ottawa-Grand Rapids Road | State Route 65 | SR 65 | Ottawa | McClure |
  | 285 Ottawa-Grand Rapids Road | State Route 185 | SR 65 | McClure | North of McClure |
  | 285 Ottawa-Grand Rapids Road | State Route 110 | SR 110 | North of McClure | Grand Rapids |
  | 285 Ottawa-Grand Rapids Road | State Route 184 | SR 295 | Grand Rapids | Grand Rapids (north of) |
  | 286 Bowling Green-Napoleon Road | State Route 34 | US 6 | Bowling Green | Napoleon |
  | 287 Mansfield-Norwalk Road | State Route 30 | SR 13 | Mansfield | Fitchville |
  | 288 Milan-Elyria Road | State Route 61 | SR 113 | Milan | Berlinville |
  | 288 Milan-Elyria Road | State Route 59 | SR 113 | Berlinville | Elyria |
  | 289 Bellevue-Norwalk Road | State Route 2 | US 20 | Bellevue | Norwalk |
  | 290 Oberlin-Norwalk Road | State Route 2 | US 20, SR 511 | Oberlin | Norwalk |
  | 291 Medina-Norwalk Road | State Route 18 | SR 18 | Medina | Norwalk |
  | 292 Plymouth-Norwalk Road | State Route 61 | SR 61 | Plymouth | Norwalk |
  | 293 New London-Fitchville Road | State Route 162 | SR 162 | New London | Fitchville |
  | 294 Sandusky-Norwalk Road | State Route 30 | US 250 | Sandusky | Norwalk |
  | 295 Barnesville-Bellaire Road | State Route 147 | SR 147 | Barnesville | Bellaire |
  | 296 Wauseon-Napoleon Road | State Route 33 | SR 108 | Wauseon | Napoleon |
  | 297 Bryan-Wauseon Road | State Route 2 | SR 2 | Bryan | Wauseon |
  | 298 Wauseon-Morenci Road | State Route 33 | SR 108 | Wauseon | Michigan |
  | 299 Liberty-Adrian Road | State Route 65 | SR 109 | McClure (west of) | Michigan |
  | 300 Swanton-Metamora Road | State Route 64 | SR 64 | Swanton | Michigan |
  | 301 Archbold-Fayette Road | State Route 66 | SR 66, US 127 | Archbold | Michigan |
  | 302 Archbold-Defiance Road | State Route 66 | SR 66 | Archbold | Defiance |
  | 303 West Unity-Montpelier Road | State Route 107 | SR 107, US 20A | Burlington | Montpelier (west of) |
  | 304 Bryan-Fort Wayne Road | State Route 108 | SR 2 | Bryan | Hicksville |
  | 304 Bryan-Fort Wayne Road | State Route 17 | SR 2 | Hicksville | Indiana |
  | 305 Bryan-Defiance Road | State Route 9 | SR 15 | Bryan | Ney |
  | 305 Bryan-Defiance Road | State Route 22 | SR 15 | Ney | Defiance |
  | 306 Bryan-Pioneer Road | State Route 9 | SR 15 | Bryan | Michigan |
  | 307 Bryan-West Unity Road | State Route 108 | US 127 | Bryan | Alvordton (east of) |
  | 308 Bryan-Edon Road | State Route 34 | SR 34 | Bryan | Indiana |
  | 309 Bryan-Edgerton Road | State Route 2 | US 6 | Bryan | Indiana |
  | 310 Bryan-Napoleon Road | State Route 34 | SR 34, US 6 | Bryan | Napoleon |
  | 311 Edon-Cooney Road | State Route 107 | SR 49 | Edon | Michigan |
  | 312 Stryker-Evansport Road | State Route 191 | SR 191 | Stryker | Evansport (east of) |
  | 313 Oberlin-Elyria Road | State Route 2 | US 20, SR 511 | Oberlin | Elyria |
  | 314 Medina-Elyria Road | State Route 57 | SR 57 | Medina | Elyria |
  | 315 Elyria-Lorain Road | State Route 57 | SR 57 | Elyria | Lorain |
  | 316 Napoleon-Defiance Road | State Route 31 | US 24 | Napoleon | Defiance |
  | 317 Ottawa-Napoleon Road | State Route 33 | SR 109, SR 108, CR 10A | Ottawa | Napoleon |
  | 318 Defiance-Holgate Road | State Route 17 | SR 18 | Defiance | East of Holgate |
  | 319 Napoleon-Deshler Road | State Route 17 | SR 18 | East of Holgate | Deshler (west of) |
  | 320 Holgate-Kieferville Road | State Route 115 | SR 115 (former), SR 108 | North of Holgate | Kieferville |
  | 321 Medina-Wadsworth Road | State Route 57 | SR 57 | Medina | Wadsworth |
  | 322 Ravenna-Warren Road | State Route 36 | SR 5 | Ravenna | Warren |
  | 323 Kent-Ravenna Road | State Route 36 | SR 59 | Kent | Ravenna |
  | 324 Painesville-Ravenna Road | State Route 44 | SR 44 | Painesville | Ravenna |
  | 325 Warren-Burton Road | State Route 16 | US 422 | Warren | Parkman |
  | 325 Warren-Burton Road | State Route 87 | SR 168 | Parkman | Burton |
  | 326 Ravenna-Parkman Road | State Route 88 | SR 88 | Ravenna | Parkman |
  | 327 Chardon-Madison Road | State Route 85 | US 6 | Chardon | Hambden |
  | 327 Chardon-Madison Road | State Route 166 | SR 166, SR 528 | Hambden | Madison |
  | 328 Canfield-Niles Road | State Route 46 | SR 46 | Canfield | Niles |
  | 329 Warren-Sharon Road | State Route 82 | SR 82 | Warren | Sharon, PA |
  | 330 Warren-Meadville Road | State Route 36 | SR 5 | Warren | Pennsylvania |
  | 331 Youngstown-Sharon Road | State Route 19 | US 62 | Youngstown | Sharon, PA |
  | 332 Delaware-Mount Gilead Road | State Route 55 | US 42 | Delaware | Mount Gilead |
  | 333 Mount Gilead-Mount Vernon Road | State Route 42 | SR 95, SR 13 | Mount Gilead | Mount Vernon |
  | 334 Mount Gilead-Mansfield Road | State Route 55 | US 42 | Mount Gilead | Mansfield |
  | 335 Mount Gilead-Sunbury Road | State Route 61 | SR 61 | Mount Gilead | Sunbury |
  | 336 Delaware-Newark Road | State Route 47 | SR 37 | Delaware | Newark (west of) |
  | 337 Newark-Mount Vernon Road | State Route 30 | SR 13 | Newark | Mount Vernon |
  | 338 Mount Vernon-Mansfield Road | State Route 30 | SR 13 | Mount Vernon (north of) | Mansfield |
  | 339 Mount Vernon-Coshocton Road | State Route 42 | US 36, SR 715 | Mount Vernon | Coshocton |
  | 340 Danville-Jelloway Road | State Route 205 | SR 205 | Danville | Jelloway |
  | 341 Millersburg-Canal Dover Road | State Route 39 | SR 39 | Millersburg | Canal Dover |
  | 342 Millersburg-Wooster Road | State Route 76 | SR 83 | Millersburg | Wooster |
  | 343 Killbuck Road | State Route 76 | SR 60 | Coshocton (west of) | Killbuck |
  | 344 Zanesville-Dresden Road | State Route 77 | SR 60 | Zanesville | Trinway |
  | 345 Zanesville-McConnelsville Road | State Route 77 | SR 60, SR 376 | Zanesville | McConnelsville |
  | 346 Newark-Zanesville Road | State Route 156 | SR 146 | Newark (east of) | Zanesville (north of) |
  | 347 Newark-Coshocton Road | State Route 20 | SR 16 | Newark | Coshocton |
  | 348 Zanesville-Caldwell Road | State Route 146 | SR 146, SR 215 (former) | Zanesville | Caldwell (north of) |
  | 349 Cambridge-Coshocton Road | State Route 209 | SR 209 | Cambridge | Bloomfield |
  | 349 Cambridge-Coshocton Road | State Route 76 | SR 83 | Bloomfield | Coshocton |
  | 350 Zanesville-New Lexington Road | State Route 75 | SR 93 | Zanesville (south of) | New Lexington (east of) |
  | 351 Zanesville-Otsego Road | State Route 75 | SR 93 | Zanesville | Otsego |
  | 352 Cambridge-Newcomerstown Road | State Route 8 | US 21 (former) | Cambridge | Newcomerstown |
  | 353 Cambridge-Caldwell Road | State Route 8 | SR 821 | Cambridge | Caldwell |
  | 354 McConnelsville-New Lexington Road | State Route 37 | SR 37 | McConnelsville | New Lexington |
  | 355 Logan-New Lexington Road | State Route 75 | SR 93 | Logan | New Lexington |
  | 356 Newark-New Lexington Road | State Route 30 | SR 13 | Newark | New Lexington |
  | 357 Lancaster-New Lexington Road | State Route 37 | SR 37 | Lancaster | New Lexington |
  | 358 Shawnee-Corning Road | State Route 216 | SR 155 | Shawnee | Corning |
  | 359 Lancaster-Newark Road | State Route 79 | SR 79, SR 37 | Lancaster | Newark |
  | 360 Logan-Lancaster Road | State Route 21 | US 33 | Logan | Lancaster |
  | 361 Chillicothe-Lancaster Road | State Route 159 | SR 159 | Chillicothe (north of) | Lancaster (south of) |
  | 362 Circleville-Adelphi Road | State Route 56 | SR 56 | Circleville | Adelphi |
  | 363 Chillicothe-Logan Road | State Route 27 | SR 180 | Chillicothe (north of) | Logan (west of) |
  | 364 Chillicothe-Jackson Road | State Route 11 | US 35 | Chillicothe | Jackson |
  | 365 Chillicothe-McArthur Road | State Route 26 | US 50 | Chillicothe | McArthur |
  | 366 Jackson-Piketon Road | State Route 24 | SR 124 | Jackson | Piketon |
  | 367 Waverly-Zahn's Corner Road | State Route 220 | SR 220 | Waverly | Zahn's Corner |
  | 368 Lisbon-Canton Southern Road | State Route 5 | US 30 | Lisbon | Minerva (east of) |
  | 368 Lisbon-Canton Southern Road | State Route 226 | unbuilt | Minerva (east of) | Minerva (north of) |
  | 369 Minerva-Sandyville Road | State Route 5 | US 30 | Minerva (east of) | Minerva |
  | 369 Minerva-Sandyville Road | State Route 155 | SR 183 | Minerva | Sandyville |
  | 370 Dennison-Cadiz Road | State Route 13 | US 250 | Dennison | Cadiz |
  | 371 Cadiz-Carrollton Road | State Route 35 | SR 9 | Cadiz | Carrollton |
  | 372 Dennison-Scio Road | State Route 212 | SR 151 | Dennison (east of) | Bowerston |
  | 372 Dennison-Scio Road | State Route 151 | SR 151 | Bowerston | Jewett (west of) |
  | 372 Dennison-Scio Road | State Route 227 | New Rumley Road | Jewett (west of) | Jewett (southwest of) |
  | 373 Jewett-Hopedale Road | State Route 151 | Old Jewett Road | Jewett (west of) | Jewett |
  | 373 Jewett-Hopedale Road | State Route 151 | SR 151 | Jewett | Hopedale |
  | 374 Dell Roy-Bowerston Road | State Route 151 | SR 212 | Dellroy | Bowerston |
  | 375 Carrollton-Kensington Road | State Route 35 | SR 9 | Carrollton | Kensington |
  | 376 Carrollton-Canal Dover Road | State Route 20 | SR 39 | Carrollton | Canal Dover |
  | 377 Carrollton-Salineville Road | State Route 20 | SR 39 | Carrollton | Salineville |
  | 378 Skelley-Empire Road | State Route 152 | SR 152 | Skelley | Empire |
  | 379 Mingo-Smithfield Road | State Route 151 | SR 151 | Mingo Junction | Hopedale |
  | 380 Mount Pleasant-Rayland Road | State Route 150 | SR 150 | Mount Pleasant (west of) | Rayland |
  | 381 Salineville-Yellow Creek Road | State Route 20 | SR 39 | Salineville | Wellsville |
  | 382 Lisbon-Salineville Road | State Route 164 | SR 164 | Lisbon | Salineville |
  | 383 Lisbon-East Palestine Road | State Route 154 | SR 517, SR 558 | Lisbon | East Palestine |
  | 383 Lisbon-East Palestine Road | State Route 14 | SR 165 | East Palestine | Pennsylvania |
  | 384 Salem-Hanoverton Road | State Route 35 | SR 9 | Salem | Hanoverton |
  | 385 Woodsfield-Clarington Road | State Route 78 | SR 78 | Woodsfield | Clarington |
  | 386 Caldwell-Woodsfield Road | State Route 78 | SR 78, SR 145, SR 724 | Caldwell | Woodsfield |
  | 387 Woodsfield-Sistersville Road | State Route 48 | SR 800 | Woodsfield | Fly |
  | 388 Lower Salem-Jerles Road | State Route 145 | SR 145 | Lower Salem | Jerles |
  | 389 Woodsfield-Marietta Road | State Route 26 | SR 26 | Woodsfield | Marietta |
  | 390 Caldwell-McConnelsville Road | State Route 78 | SR 78 | Caldwell | McConnelsville |
  | 391 Caldwell-Marietta Road | State Route 8 | SR 821 | Caldwell | Marietta |
  | 392 Caldwell-Barnesville Road | State Route 147 | SR 147 | Caldwell (east of) | Barnesville (west of) |
  | 393 Marietta-McConnelsville Road | State Route 37 | SR 60 | Marietta | McConnelsville |
  | 394 Pomeroy-Portland Road | State Route 24 | SR 124, US 33 | Pomeroy | West Virginia |
  | 395 Pomeroy-Jackson Road | State Route 24 | SR 124 | Pomeroy | Jackson |
  | 396 McArthur-Jackson Road | State Route 75 | SR 93 | McArthur | Jackson |
  | 397 McArthur-Logan Road | State Route 75 | SR 93 | McArthur | Logan |
  | 398 Gallipolis-McArthur Road | State Route 142 | SR 160 | Gallipolis | McArthur (south of) |
  | 399 Jackson-Gallipolis Road | State Route 11 | US 35 | Jackson | Gallipolis |
  | 400 Jackson-Ironton Road | State Route 75 | SR 93 | Jackson | Ironton |
  | 401 Oak Hill-Cadmus Road | State Route 141 | SR 233 | Oak Hill | Cadmus |
  | 402 Oak Hill-Portsmouth Road | State Route 140 | SR 140 | Oak Hill | Portsmouth (east of) |
  | 403 Jackson-Portsmouth Road | State Route 139 | SR 139 | Jackson | Portsmouth |
  | 404 Ironton-Miller Road | State Route 141 | SR 141 | Ironton | Ironton (east of) |
  | 404 Ironton-Miller Road | State Route 217 | SR 217 | Ironton (east of) | Miller |
  | 405 Gallipolis-Ironton Road | State Route 141 | SR 141 | Gallipolis | Ironton (east of) |
  | 406 Portsmouth-Lucasville Western Road | State Route 73 | SR 73 | Portsmouth | Portsmouth (north of) |
  | 406 Portsmouth-Lucasville Western Road | State Route 104 | SR 104 | Portsmouth (north of) | Lucasville (west of) |
  | 406 Portsmouth-Lucasville Western Road | State Route 104 | SR 348 | Lucasville (west of) | Lucasville |
  | 407 Newcomerstown-Coshocton Road | State Route 20 | US 36 | Newcomerstown | Coshocton |
  | 408 West Lafayette-New Philadelphia Road | State Route 75 | SR 751 | West Lafayette | Stone Creek |
  | 408 West Lafayette-New Philadelphia Road | State Route 20 | US 21 (former) | Stone Creek | New Philadelphia (west of) |
  | 409 Canal Dover-New Philadelphia Western Road | State Route 211 | SR 211 (former) | Canal Dover | New Philadelphia (west of) |
  | 409 Canal Dover-New Philadelphia Western Road | State Route 20 | US 21 (former) | New Philadelphia (west of) | New Philadelphia |
  | 410 Marquand Mills-Newcomerstown Road | State Route 75 | SR 93, CR 106 | Marquand Mills | Newcomerstown (west of) |
  | 411 Walhonding-Newark Road | State Route 79 | SR 79 | Walhonding | Fallsburg (east of) |
  | 411 Walhonding-Newark Road | State Route 207 | SR 668 (former) | Fallsburg (east of) | Newark (east of) |
  | 412 New Philadelphia-Uhrichsville Road | State Route 8 | US 250 | New Philadelphia | Uhrichsville |
  | 413 Newcomerstown-Uhrichsville Road | State Route 8 | US 36 | Newcomerstown | Uhrichsville |
  | 414 Wooster-Canal Dover Road | State Route 95 | US 250 | Wooster | Strasburg (north of) |
  | 414 Wooster-Canal Dover Road | State Route 13 | SR 21 | Strasburg (north of) | Canal Dover |
  | 415 Newcomerstown-Stone Creek Road | State Route 20 | US 21 (former) | Newcomerstown | Stone Creek |
  | 416 Orrville-Wooster Road | State Route 177 | McQuaid Road | Orrville | Wooster (east of) |
  | 417 Orrville Northern Road | State Route 94 | SR 57 | Orrville | Easton |
  | 418 Van Wert-Delphos Road | State Route 5 | US 30 | Van Wert | Delphos |
  | 419 Van Wert-Fort Wayne Road | State Route 5 | US 30 | Van Wert | Indiana |
  | 420 Hicksville-Defiance Road | State Route 17 | SR 18 | Hicksville | Defiance |
  | 421 Ottawa-Defiance Road | State Route 22 | SR 15 | Ottawa | Defiance |
  | 422 Defiance-Fort Wayne Road | State Route 31 | US 24 | Defiance | Indiana |
  | 423 Defiance-Paulding Road | State Route 111 | SR 111 | Defiance | Paulding |
  | 424 Paulding-Bryan Road | State Route 9 | US 127 | Paulding | Ney |
  | 425 Defiance-Delphos Road | State Route 66 | SR 66 | Defiance | Delphos |
  | 426 Defiance-Auburn Road | State Route 22 | SR 249 | Ney | Indiana |
  | 427 Payne-Hicksville Road | State Route 108 | SR 49 | Convoy (north of) | Hicksville |
  | 428 Hicksville-Auburn Road | State Route 193 | SR 18 | Hicksville | Indiana |
  | 429 Paulding-Payne Road | State Route 194 | SR 500 | Paulding | Payne |
  | 430 Van Wert-Paulding Road | State Route 9 | US 127 | Van Wert | Paulding |
  | 431 Continental-Paulding Road | State Route 113 | SR 613 | Continental (east of) | Paulding (south of) |
  | 432 Paulding-Fort Wayne Road | State Route 111 | SR 613 | Payne | Indiana |
  | 433 Paulding-Woodburn Road | State Route 111 | SR 111 | Paulding | Payne (north of) |
  | 434 Van Wert-Decatur Road | State Route 109 | US 224 | Van Wert | Indiana |
  | 435 Van Wert-Ottawa Road | State Route 109 | US 224 | Van Wert | Ottawa |
  | 436 Shelby-Mansfield Road | State Route 39 | SR 39 | Shelby | Mansfield |
  | 437 Shelby-Plymouth Road | State Route 61 | SR 61 | Shelby | Plymouth |
  | 438 Bono-Port Clinton Road | State Route 23 | SR 2 | Bono | Port Clinton |
  | 439 Oak Harbor-Genoa Road | State Route 163 | SR 163 | Oak Harbor | Genoa |
  | 440 Port Clinton-Marblehead Road | State Route 163 | SR 163 | Port Clinton | Marblehead |
  | 441 West Union-Hillsboro Road | State Route 136 | SR 136 | West Union (west of) | Hillsboro (south of) |
  | 442 Steubenville-Hammondsville Road | State Route 213 | SR 213 | Steubenville | Knoxville |
  | 442 Steubenville-Hammondsville Road | State Route 152 | SR 213 | Knoxville | Yellow Creek |
  | 443 Gambier-New Castle Road | State Route 206 | SR 229 | Mount Vernon | Newcastle |
  | 444 Dorset-Richmond Center Road | State Route 167 | SR 167 (former) | Dorset | Pennsylvania |
  | 445 Dayton-Valley Road | State Route 69 | SR 235 | Dayton | East of Brandt |
  | 446 Richmond Road | State Route 175 | SR 175 | Bedford | Euclid (east of) |
  | 447 Burton-Bloomfield Road | State Route 168 | SR 87 | Burton | North Bloomfield |
  | 448 Roundhead-McGuffey Road | State Route 195 | SR 195 | Roundhead (north of) | McGuffey (north of) |
  | 449 Tiffin-Republic Road | State Route 106 | SR 18 | Tiffin | Republic |
  | 450 Roscoe Southern Road | State Route 210 | SR 16 | Roscoe | Coshocton (south of) |
  | 451 Wilmington-Sardinia Road | State Route 134 | SR 134 | Wilmington | Sardinia |
  | 452 Nicholsville-Felicity Road | State Route 222 | SR 222 | Nicholsville (north of) | Felicity |
  | 453 Columbus-Chillicothe Western Road | State Route 104 | SR 104 | Columbus | Chillicothe |
  | 454 Jeromeville-Sullivan Road | State Route 58 | SR 89 | Mohicanville | South of Sullivan |
  | 455 Monroeville-Chicago Junction Road | State Route 99 | SR 99 | Monroeville | Chicago Junction |
  | 456 Bryan-Evansport Road | State Route 192 | SR 192 (former) | Bryan | Evansport (north of) |
  | 457 Toledo-Napoleon Road | State Route 110 | SR 110 | Napoleon | North of McClure |
  | 458 Felicity Southern Road | State Route 222 | SR 133 | Felicity | Utopia (west of) |
  | 459 Allensburg-Lynchburg Road | State Route 135 | SR 135 | Allensburg | Lynchburg |
  | 460 Cleveland-Kent Road | State Route 82 | SR 43 | Cleveland | Aurora |
  | 460 Cleveland-Kent Road | State Route 89 | SR 43 | Aurora | Suffield |
  | 461 Baltimore-Reynoldsburg Road | State Route 204 | SR 256 | Baltimore | Reynoldsburg |
  | 462 Lancaster-Kirkersville Road | State Route 158 | SR 158 | Lancaster | Kirkersville |
  | 463 Lancaster-Circleville Northern Road | State Route 158 | SR 188 | Lancaster | Circleville |
  | 464 Beamsville-Versailles Road | State Route 199 | SR 242 (former) | Beamsville | Versailles |
  | 465 Orrville Southern Road | State Route 94 | SR 57 | Orrville | Dalton (west of) |
  | 466 Solon-Willoughby Road | State Route 91 | SR 91 | Solon | Willoughby |
  | 467 Hamilton-Scipio Road | State Route 127 | SR 129 | Hamilton | Scipio |
  | 468 Versailles Western Road | State Route 68 | SR 47 | Versailles | Dawn |
  | 469 Harrisburg-Westville Road | State Route 173 | US 62 | Harrisburg | Beloit (south of) |
  | 470 Millersport-Mount Perry Road | State Route 204 | SR 204 | Millersport (west of) | Mount Perry (south of) |
  | 471 Troy-Urbana Southern Road | State Route 55 | SR 55 | Troy | Urbana |
  | 472 Springfield-Jamestown Road | State Route 72 | SR 72 | Springfield | Jamestown |
  | 473 Jamestown-Hillsboro Road | State Route 72 | SR 72 | Jamestown | Hillsboro (north of) |
  | 474 Aurora-Warren Road | State Route 82 | SR 82 | Aurora | Warren (west of) |
  | 475 Hambden-Andover Road | State Route 85 | US 6 | Hambden | Andover |
  | 476 Ashtabula-Sheffield Road | State Route 83 | SR 84 | Ashtabula | Pennsylvania |
  | 477 Coshocton-Plainfield-Cambridge Road | State Route 42 | SR 541 | Coshocton | Kimbolton |
  | 478 Ganges-Plymouth Road | State Route 178 | SR 603, Ganges 5 Points Road | Ganges (south of) | Plymouth |
  | 479 Newark-Fallsburg Road | State Route 79 | SR 79 | Newark | Fallsburg (east of) |
  | 480 Williamsburg-Owensville Road | State Route 132 | SR 276 | Williamsburg | Owensville |
  | 481 Washington-Bloomingburg Road | State Route 38 | SR 38 (former) | Washington Court House | Bloomingburg |
  | 482 St. Marys-Monticello Road | State Route 198 | SR 116 | St. Marys | Monticello (north of) |
  | 483 Bellville-Lexington Road | State Route 97 | SR 97 | Bellville | Lexington |
  | 484 McConnelsville-Cambridge Road | State Route 215 | SR 83, SR 146 | McConnelsville (east of) | Cambridge (south of) |
  | 485 Bucyrus-Clyde Road | State Route 62 | SR 19 | Broken Sword | North of Republic |
  | 485 Bucyrus-Clyde Road | State Route 228 | SR 228 | North of Republic | Southwest of Clyde |
  | 486 Canfield-Poland Road | State Route 17 | US 224 | Canfield | Pennsylvania |
  | 487 Dayton-Troy Eastern Road | State Route 202 | SR 202 | Dayton | Troy |
  | 488 Lisbon-Wellsville Road | State Route 153 | SR 45 | Lisbon (south of) | Wellsville |
  | 489 Carrollton-Malvern Road | State Route 43 | SR 43 | Carrollton (north of) | Malvern |
  | 490 Bucyrus-Nevada-Upper Sandusky Road | State Route 182 | SR 182 (former) | Bucyrus | Upper Sandusky |
  | 491 Holgate-Miller City Road | State Route 188 | SR 108 | Holgate | Miller City (south of) |
  | 492 Middleport-Bradbury Road | State Route 143 | Bradbury Road | Middleport | East of Rutland |
  | 493 Road | State Route 5 | US 30 | Osnaburg | Minerva |
  | 494 Road | State Route 131 | SR 131 | Milford | Vera Cruz |
  | 495 Road | State Route 230 | SR 230 (former) | Fremont (southwest of) | Fremont (west of) |
  | 496 Road | State Route 196 | SR 196 | New Hampshire | Westminster |
  | 497 Road | State Route 54 | SR 54 | South Charleston | Urbana |
  | 498 Road | State Route 200 | US 36 | Greenville (south of) | Indiana |
  | 499 Road | State Route 176 | SR 176 | Richfield | Cleveland |
  | 500 Road | State Route 170 | SR 170 | Unity | Petersburg |
  | 501 Mansfield-Crestline Road | State Route 5 | US 30 | Mansfield | Crestline |
  | 502 Youngstown-East Liverpool Road | State Route 7 | SR 7, SR 164 | East Liverpool | Youngstown |
  | 503 Road | State Route 187 | SR 613 | Leipsic | McComb |
  | 504 Road | State Route 104 | SR 104 | Lucasville (west of) | Waverly |
  | 505 Road | State Route 78 | SR 78 | Glouster | McConnelsville |
  | 506 Road | State Route 48 | SR 800 | West of Hendrysburg | Dennison |
  | 507 Road | State Route 157 | SR 79 | Lakeside | Hebron (east of) |
  | 508 Road | State Route 218 | SR 218, SR 553 | Crown City | Gallipolis (south of) |
  | 509 Road | State Route 219 | SR 243 (former) | Proctorville | Athalia (south of) |
  | 510 Road | State Route 106 | SR 189 | Fort Jennings | Vaughnsville |
  | 511 Canton-Navarre Road | State Route 19 | US 62 (former) | Canton | Navarre |
  | 512 Road | State Route 5 | US 30 | Gomer | Upper Sandusky |
  | 513 Road | State Route 76 | SR 83 | New Concord | Bloomfield |
  | 514 Road | State Route 80 | SR 183, SR 700, Rock Spring Road | Atwater Center | Welshfield |
  | 515 Road | State Route 62 | SR 19 | North of Republic | Fremont |
  | 516 Salem-Warren Road | State Route 45 | SR 45 | Salem | Warren |
  | 517 Road | State Route 114 | SR 114 | Indiana | Mandale |
  | 518 Road | State Route 216 | SR 216, SR 78 | Nelsonville | New Straitsville |
  | 519 Road | State Route 208 | SR 208 | Dresden | Adamsville |
  | | State Route 59 | SR 61 | Norwalk | Berlinville |
  | | State Route 61 | SR 61 | Berlinville | Ceylon |
  | | State Route 84 | SR 307 | Madison (south of) | Geneva (south of) |
  | | State Route 89 | SR 43 | Suffield | Canton |
  | | State Route 166 | SR 528 | Madison | North Madison |
  | | State Route 175 | SR 283 | Euclid | Painesville |
  | | State Route 231 | SR 231 | Nevada | Nevada (north of) |
  