Given are the years of the first and last official maps the routes appear on. These are not always the exact years the routes were created or eliminated.
There is a relatively long gap in the 1930s for 9 (and maybe 237 and 255). Given that (before the large expansion in 1937-) all other numbers were reused within a year or two, there may be a missing version of 9 here. Also, there may be a missing version of 11 and 92 here, because 200 was reused by 1938.
I can't find the following numbers before 1941: 574 583 588 593 594 597 599 607 610 620 624 639 641 642 645 648 649 650 652 653 654 659 667 679 681 685 688 693 700 710 711 712 713 717 719 728 731 733 735 737 738 740 742 754 755 758 759 760 761 764 765 766 767 768 769 777 778 779 782 783 784 786 787 789 791 799; 633 was first shown in 1939, but not numbered until 1946; 525 is not labeled on any maps, but was probably Lake Avenue in Ashtabula
601 608 623 691 697 709 741 762 763 774 776 796 were first shown in 1938; 523 529 568 573 580 586 616 651 655 671 695 715 723 730 788 797 798 were first shown in 1939; 582 702 were first shown in 1940; 621 was first shown in 1941 (these may or may not be original)
from | to | notes | |
---|---|---|---|
SR 1 | 1961 | 1964 | |
SR 1 | 1912 | 1926 → US 40 |
|
SR 2 | 1912 | now | |
SR 3 | 1923 | now | |
SR 4 | 1912 | now | |
SR 5 | 1932 ← 36 |
now | |
SR 5 | 1923 | 1931 → US 30N |
|
SR 6 | 1929 ← 175 (part) |
1931 → 283 |
|
SR 6 | 1927 ← 13, 95, 180 |
1928 → US 250 |
|
SR 6 | 1923 | 1926 → US 25 (part), 4 (part) |
|
SR 7 | 1912 | now | |
SR 8 | 1923 | now | |
SR 9 | 1934 ← 35 |
now | |
SR 9 | 1923 | 1930 → US 127 |
|
SR 10 | 1934 | now | |
SR 10 | 1932 | 1932 → US 68 |
completely overlapped other routes |
SR 10 | 1927 ← 40 |
1931 → US 22 (part) |
|
SR 10 | 1923 | 1926 → US 30 (part) |
|
SR 11 | 1969 | now | |
SR 11 | 1923 | 1935 → US 35 |
shown overlapping US 35 in 1935 |
SR 12 | 1923 | now | |
SR 13 | 1927 ← 30 |
now | |
SR 13 | 1923 | 1926 → US 21 (part), 6 (part) |
|
SR 14 | 1923 | now | |
SR 15 | 1927 ← 22 |
now | |
SR 15 | 1912 | 1926 → US 322 |
|
SR 16 | 1927 ← 20 |
now | |
SR 16 | 1923 | 1926 → US 422 |
|
SR 17 | 1935 ← 43 (part) |
now | |
SR 17 | 1923 | 1933 → US 224 |
|
SR 18 | 1912 | now | |
SR 19 | 1932 ← 62 |
now | |
SR 19 | 1923 | 1931 → US 62 |
|
SR 20 | 1923 | 1926 → 16 |
|
SR 21 | 1971 ← US 21 (part) |
now | |
SR 21 | 1923 | 1926 → 31 |
|
SR 22 | 1923 | 1926 → 15 |
|
SR 23 | 1923 | 1926 → US 20 (part), 2 (part), 263 (part) |
|
SR 24 | 1923 | 1926 → 124 |
|
SR 25 | 1974 ← US 25 (part) |
now | |
SR 25 | 1923 | 1926 → 125 |
|
SR 26 | 1923 | now | |
SR 27 | 1923 | 1926 → 28, 180 |
|
SR 28 | 1927 ← 27 (part) |
now | |
SR 28 | 1923 | 1926 → US 42 (part), 142 |
|
SR 29 | 1923 | now | |
SR 30 | 1923 | 1926 → 13 |
|
SR 31 | 1927 ← 21 |
now | |
SR 31 | 1923 | 1926 → US 24 (part) |
|
SR 32 | 1962 ← 74 |
now | |
SR 32 | 1923 | 1937 → US 33 (part) |
|
SR 33 | 1923 | 1937 → 108 |
|
SR 34 | 1923 | now | |
SR 35 | 1923 | 1934 → 9 |
|
SR 36 | 1923 | 1931 → 5 |
|
SR 37 | 1923 | now | |
SR 38 | 1923 | now | |
SR 39 | 1923 | now | |
SR 40 | 1923 | 1926 → 10 |
|
SR 41 | 1923 | now | |
SR 42 | 1923 | 1926 → 95 |
|
SR 43 | 1923 | now | |
SR 44 | 1923 | now | |
SR 45 | 1923 | now | |
SR 46 | 1923 | now | |
SR 47 | 1933 ← 68 |
now | |
SR 47 | 1923 | 1931 → 37 (part) |
|
SR 48 | 1927 ← 50 |
now | |
SR 48 | 1923 | 1926 → 8 (part) |
|
SR 49 | 1927 ← 51 (part) |
now | |
SR 49 | 1923 | 1926 → US 22 |
|
SR 50 | 1923 | 1926 → 48 |
|
SR 51 | 1955 ← 120 (part) |
now | |
SR 51 | 1923 | 1934 → 49 (part) |
|
SR 52 | 1923 | 1926 → 4 (part) |
|
SR 53 | 1923 | now | |
SR 54 | 1923 | now | |
SR 55 | 1923 | now | |
SR 56 | 1923 | now | |
SR 57 | 1923 | now | |
SR 58 | 1923 | now | |
SR 59 | 1969 ← 5 (part) |
now | |
SR 59 | 1923 | 1938 → 113 (part) |
|
SR 60 | 1923 | now | |
SR 61 | 1923 | now | |
SR 62 | 1923 | 1931 → 19 |
|
SR 63 | 1927 ← 125 |
now | |
SR 63 | 1923 | 1926 → US 23 (part), 263 (part) |
|
SR 64 | 1923 | now | |
SR 65 | 1923 | now | |
SR 66 | 1923 | now | |
SR 67 | 1923 | now | |
SR 68 | 1923 | 1932 → 47 |
|
SR 69 | 1923 | 1967 → 235 (part) |
|
SR 70 | 1923 | 1962 → 41 (part), 753 (part) |
|
SR 71 | 1923 | 1962 → 571 |
|
SR 72 | 1923 | now | |
SR 73 | 1923 | now | |
SR 74 | 1923 | 1962 → 32 |
|
SR 75 | 1923 | 1962 → 93 (part), 751 |
|
SR 76 | 1923 | 1972 → 83, 339 (part) |
|
SR 77 | 1923 | 1962 → 60 (part), 754 |
|
SR 78 | 1923 | now | |
SR 79 | 1923 | now | |
SR 80 | 1923 | 1962 → 183 |
|
SR 81 | 1927 ← 69 (part) |
now | |
SR 81 | 1923 | 1926 → 82 (part) |
|
SR 82 | 1923 | now | |
SR 83 | 1972 ← 76 (part) |
now | |
SR 83 | 1923 | 1957 | Ashtabula |
SR 84 | 1923 | now | |
SR 85 | 1923 | now | |
SR 86 | 1923 | now | |
SR 87 | 1923 | now | |
SR 88 | 1923 | now | |
SR 89 | 1927 ← 58 (part) |
now | |
SR 89 | 1923 | 1926 → 43 (part) |
|
SR 90 | 1923 | 1962 → 170 (part) |
|
SR 91 | 1912 | now | probably coincidentally kept its number in 1922-1923 |
SR 92 | 1923 | 1936 → 176 (part) |
|
SR 93 | 1923 | now | |
SR 94 | 1923 | now | |
SR 95 | 1927 ← 42 |
now | |
SR 95 | 1923 | 1926 → 6 (part) |
|
SR 96 | 1923 | now | |
SR 97 | 1923 | now | |
SR 98 | 1923 | now | |
SR 99 | 1923 | now | |
SR 100 | 1923 | now | |
SR 101 | 1923 | now | |
SR 102 | 1946 ← 120 (part) |
1949 → 120 (part) |
seems rather like a typo? |
SR 102 | 1923 | 1939 → 120 (part) |
swapped with 2/US 20 in 1926-1927 |
SR 103 | 1923 | now | |
SR 104 | 1923 | now | |
SR 105 | 1923 | now | |
SR 106 | 1923 | 1937 → 12 (part) |
|
SR 107 | 1923 | now | |
SR 108 | 1938 ← 33 |
now | |
SR 108 | 1923 | 1935 → 2 (part) |
|
SR 109 | 1927 | now | |
SR 109 | 1923 | 1926 → 17 (part) |
adjacent to current route |
SR 110 | 1923 | now | swapped with US 24 in 1941-1942 |
SR 111 | 1923 | now | |
SR 112 | 1927 ← 104 (part) |
1950 → 104 (part) |
|
SR 112 | 1923 | 1926 → US 127 |
|
SR 113 | 1923 | now | |
SR 114 | 1923 | now | |
SR 115 | 1923 | now | |
SR 116 | 1923 | now | |
SR 117 | 1923 | now | |
SR 118 | 1923 | now | |
SR 119 | 1923 | now | |
SR 120 | 1940 ← 102, 263, 568 (part) |
now | |
SR 120 | 1923 | 1939 → 185 |
|
SR 121 | 1923 | now | |
SR 122 | 1923 | now | |
SR 123 | 1923 | now | |
SR 124 | 1927 ← 24 |
now | |
SR 124 | 1923 | 1926 → US 25 (part) |
|
SR 125 | 1927 ← 25 |
now | |
SR 125 | 1923 | 1926 → 63 |
|
SR 126 | 1927 ← 26 (part), 129 (part) |
now | |
SR 126 | 1923 | 1926 → US 27 (part), 130 |
|
SR 127 | 1923 | 1926 → 129 |
|
SR 128 | 1923 | now | |
SR 129 | 1927 ← 127 |
now | |
SR 129 | 1923 | 1926 → US 27 (part), 126 (part) |
|
SR 130 | 1927 ← 126 |
now | |
SR 130 | 1923 | 1926 → US 52 (part) |
|
SR 131 | 1923 | now | |
SR 132 | 1923 | now | |
SR 133 | 1923 | now | |
SR 134 | 1923 | now | |
SR 135 | 1923 | now | |
SR 136 | 1923 | now | |
SR 137 | 1923 | now | |
SR 138 | 1923 | now | |
SR 139 | 1923 | now | |
SR 140 | 1923 | now | |
SR 141 | 1923 | now | |
SR 142 | 1927 ← 28 (part) |
now | |
SR 142 | 1923 | 1926 → 160 |
|
SR 143 | 1923 | now | |
SR 144 | 1923 | now | |
SR 145 | 1923 | now | |
SR 146 | 1923 | now | |
SR 147 | 1923 | now | |
SR 148 | 1923 | now | |
SR 149 | 1923 | now | |
SR 150 | 1923 | now | |
SR 151 | 1923 | now | |
SR 152 | 1923 | now | |
SR 153 | 1932 ← 44 (part) |
now | |
SR 153 | 1923 | 1931 → 45 (part) |
|
SR 154 | 1923 | now | |
SR 155 | 1927 ← 216 (part) |
now | |
SR 155 | 1923 | 1926 → 80 (part) |
|
SR 156 | 1923 | 1962 | Muskingum |
SR 157 | 1923 | 1958 → 79 (part) |
|
SR 158 | 1923 | now | |
SR 159 | 1923 | now | |
SR 160 | 1927 ← 142 |
now | |
SR 160 | 1923 | 1926 → US 42 (part) |
|
SR 161 | 1923 | now | |
SR 162 | 1923 | now | |
SR 163 | 1923 | now | |
SR 164 | 1923 | now | |
SR 165 | 1923 | now | |
SR 166 | 1923 | now | |
SR 167 | 1923 | now | |
SR 168 | 1923 | now | swapped with 87 in 1926-1927 |
SR 169 | 1923 | now | swapped with 16/US 422 in 1926-1927 |
SR 170 | 1923 | now | |
SR 171 | 1923 | now | |
SR 172 | 1923 | now | |
SR 173 | 1923 | now | swapped with 19 in 1926-1927 |
SR 174 | 1923 | now | |
SR 175 | 1923 | now | |
SR 176 | 1923 | now | |
SR 177 | 1934 ← 224 |
now | |
SR 177 | 1927 | 1932 → 16 (part) |
|
SR 177 | 1926 | 1926 → US 24 (part) |
|
SR 177 | 1923 | 1925 | Wayne |
SR 178 | 1923 | 1959 → 603 (part) |
|
SR 179 | 1923 | now | |
SR 180 | 1927 ← 27 (part) |
now | |
SR 180 | 1923 | 1926 → 6 (part) |
|
SR 181 | 1923 | now | |
SR 182 | 1923 | 2003 | |
SR 183 | 1962 ← 80 |
now | |
SR 183 | 1923 | 1951 → US 23-24-25 Bypass (part) |
|
SR 184 | 1969 ← US 24-25 Bypass (part) |
now | |
SR 184 | 1923 | 1941 → 110 (part) |
|
SR 185 | 1940 ← 120 |
now | |
SR 185 | 1927 ← 106 (part) |
1937 → 113 (part) |
|
SR 185 | 1923 | 1926 → 65 (part) |
|
SR 186 | 1923 | now | |
SR 187 | 1931 | now | |
SR 187 | 1923 | 1930 → 113 (part) |
|
SR 188 | 1927 ← 158 (part) |
now | |
SR 188 | 1923 | 1926 → 33 (part) |
|
SR 189 | 1923 | now | swapped with 106 in 1924-1925 |
SR 190 | 1923 | now | |
SR 191 | 1923 | now | |
SR 192 | 1923 | 1955 | Williams |
SR 193 | 1969 ← 170 (part) |
now | |
SR 193 | 1923 | 1938 → 18 (part) |
|
SR 194 | 1927 | 1967 → 103 (part) |
|
SR 194 | 1923 | 1926 → 113 (part) |
|
SR 195 | 1923 | now | |
SR 196 | 1923 | now | |
SR 197 | 1923 | now | |
SR 198 | 1923 | now | swapped with 116 in 1924-1925 |
SR 199 | 1924 | now | |
SR 199 | 1923 | 1923 → 242 |
|
SR 200 | 1938 ← 3 (part) |
1938 → 3 (part) |
|
SR 200 | 1932 | 1936 → 303 (part) |
|
SR 200 | 1923 | 1931 → US 36 (part) |
|
SR 201 | 1923 | now | |
SR 202 | 1923 | now | |
SR 203 | 1923 | now | |
SR 204 | 1923 | now | |
SR 205 | 1923 | now | |
SR 206 | 1923 | now | |
SR 207 | 1962 ← 277 |
now | |
SR 207 | 1923 | 1937 → 668 (part) |
|
SR 208 | 1923 | now | |
SR 209 | 1923 | now | |
SR 210 | 1923 | 1953 → 16 (part) |
|
SR 211 | 1923 | now | swapped with 39 in 1964-1965? |
SR 212 | 1923 | now | |
SR 213 | 1923 | now | |
SR 214 | 1923 | 1978 | Belmont |
SR 215 | 1923 | now | swapped with 146 in 1926-1927 |
SR 216 | 1923 | now | |
SR 217 | 1923 | now | |
SR 218 | 1923 | now | |
SR 219 | 1925 | now | |
SR 219 | 1923 | 1924 → 243 |
|
SR 220 | 1923 | now | |
SR 221 | 1923 | now | swapped with 53/US 68 in 1932-1933 |
SR 222 | 1923 | now | |
SR 223 | 1927 ← 102 (part) |
1930 → 283 |
|
SR 223 | 1923 | 1926 → US 27 (part) |
|
SR 224 | 1923 | 1933 → 177 |
|
SR 225 | 1923 | now | swapped with 80 in 1930-1931, 1936-1937 |
SR 226 | 1929 ← 250 |
now | |
SR 226 | 1923 | 1927 | remains unlabeled in 1928-1930; became part of 183 in 1993-1995 |
SR 227 | 1923 | 1962 | |
SR 228 | 1923 | now | |
SR 229 | 1930 | now | |
SR 229 | 1927 ← 67 (part) |
1929 → 59 (part) |
|
SR 229 | 1925 ← 106 (part) |
1926 → 18 (part) |
|
SR 229 | 1923 | 1924 → 106 (part) |
|
SR 230 | 1962 ← 270 |
1971 | Lucas/Wood |
SR 230 | 1923 | 1957 | Sandusky |
SR 231 | 1923 | now | |
SR 232 | 1930 | now | |
SR 232 | 1923 | 1928 | became 237 in 1935 |
SR 233 | 1924 ← 141 (part) |
now | |
SR 234 | 1930 | 1937 → 77 (part) |
|
SR 234 | 1924 | 1929 → 93 (part) |
|
SR 235 | 1924 | now | |
SR 236 | 1924 | now | swapped with 93 in 1924-1925 |
SR 237 | 1935 | now | had been 232 until 1928 |
SR 237 | 1924 | 1932 → 79 (part) |
|
SR 238 | 1924 ← 38 (part)? |
2014* | |
SR 239 | 1924 | now | |
SR 240 | 1948 | 1967 → 269 (part) |
|
SR 240 | 1924 ← 104 (part)? |
1938 → 348 (part) |
|
SR 241 | 1924 | now | |
SR 242 | 1924 ← 199 |
2013* | |
SR 243 | 1925 ← 219 |
now | |
SR 244 | 1925 ← 7 (part) |
1961 | |
SR 245 | 1962 ← 275 |
now | |
SR 245 | 1925 | 1934 → 260 (part) |
|
SR 246 | 1925 ← 183 (part) |
now | |
SR 247 | 1925 ← 137 (part) |
now | |
SR 248 | 1925 | now | |
SR 249 | 1927 ← 22 (part) |
now | |
SR 249 | 1925 | 1926 → 9 (part) |
adjacent to current route |
SR 250 | 1925 | 1928 → 226 |
swapped with 3 in 1926-1927 |
SR 251 | 1925 ← 53 (part) |
now | swapped with 53 in 1929-1930 |
SR 252 | 1925 | now | |
SR 253 | 1989 | now | |
SR 253 | 1925 | 1957 | Medina |
SR 254 | 1926 | now | |
SR 255 | 1935 | now | |
SR 255 | 1927 ← 259 (part) |
1932 → 16 (part) |
|
SR 255 | 1926 | 1926 → 69 (part) |
|
SR 256 | 1927 ← 204 (part) |
now | |
SR 256 | 1926 | 1926 → US 23 (part) |
Lewis Avenue, Toledo |
SR 257 | 1926 | now | |
SR 258 | 1926 | now | |
SR 259 | 1926 | now | |
SR 260 | 1926 ← 78 (part) |
now | |
SR 261 | 1926 ← 36 (part) |
now | |
SR 262 | 1926 | 1967 | Crawford |
SR 263 | 1927 ← 23 (part), 63 (part) |
1939 → 120 (part) |
|
SR 263 | 1926 | 1926 → 170 (part) |
|
SR 264 | 1926 ← 7 (part) |
now | |
SR 265 | 1927 ← 148 (part) |
now | |
SR 265 | 1926 | 1926 → 76 (part) |
|
SR 266 | 1926 | now | |
SR 267 | 1927 ← 5 (part) |
now | |
SR 268 | 1928 | 1975 | Hamilton |
SR 269 | 1928 | now | |
SR 270 | 1928 | 1962 → 230 |
|
SR 271 | 1932 ← 95 (part) |
1962 → 541 |
|
SR 271 | 1930 | 1931 → US 20S |
|
SR 272 | 1930 | 1961 | Stark (just north of realigned US 62) unlabeled in 1961 |
SR 273 | 1930 | now | |
SR 274 | 1930 | now | |
SR 275 | 1930 | 1962 → 245 |
|
SR 276 | 1930 ← 133 (part) |
now | |
SR 277 | 1930 | 1962 → 207 |
|
SR 278 | 1930 | now | |
SR 279 | 1930 | now | |
SR 280 | 1930 | 1962 → 329 (part) |
|
SR 281 | 1930 | now | |
SR 282 | 1930 | now | |
SR 283 | 1932 ← 6 |
now | |
SR 283 | 1931 ← 223 |
1931 → 326 |
why? |
SR 284 | 1931 | now | |
SR 285 | 1931 | now | |
SR 286 | 1931 | now | |
SR 287 | 1931 | now | |
SR 288 | 1953 ← 545 (part) |
now | |
SR 288 | 1931 | 1940 → 640 (part) |
|
SR 289 | 1950 ← 18 (part) |
now | |
SR 289 | 1931 | 1937 → 598 (part) |
|
SR 290 | 1932 ← 275 (part) |
1962 → 296 |
swapped with 275 in 1932-1933 |
SR 291 | 1951 | now | |
SR 291 | 1932 | 1945 | Hardin |
SR 292 | 1932 | now | |
SR 293 | 1932 | now | |
SR 294 | 1932 | now | |
SR 295 | 1932 | now | |
SR 296 | 1962 ← 290 |
now | |
SR 296 | 1932 | 1936 → 269 (part) |
|
SR 297 | 1978? ← US 30 (part) |
now | unlabeled |
SR 297 | 1932 | 1938 → 281 (part) |
|
SR 298 | 1932 | 1967 → 103 (part) |
|
SR 299 | 1932 | 1966 → 13 (part) |
|
SR 300 | 1932 | now | |
SR 301 | 1932 | now | |
SR 302 | 1932 | now | |
SR 303 | 1932 | now | |
SR 304 | 1932 | now | |
SR 305 | 1932 | now | |
SR 306 | 1932 | now | |
SR 307 | 1932 | now | |
SR 308 | 1932 | now | |
SR 309 | 1974 ← US 30S |
now | |
SR 309 | 1932 | 1934 → 271 (part) |
|
SR 310 | 1932 | now | |
SR 311 | 1932 | 1964 | Montgomery |
SR 312 | 1932 | now | |
SR 313 | 1932 | now | |
SR 314 | 1932 | now | |
SR 315 | 1932 | now | |
SR 316 | 1932 | now | |
SR 317 | 1932 | now | |
SR 318 | 1932 | 1936 → 65 (part) |
|
SR 319 | 1932 | now | |
SR 320 | 1932 | now | |
SR 321 | 1932 | now | |
SR 323 | 1932 | now | |
SR 324 | 1932 | now | |
SR 325 | 1932 | now | |
SR 326 | 1935 | 1967 | Washington unlabeled until 1946 |
SR 326 | 1932 ← 283 |
1933 | Lucas |
SR 327 | 1932 | now | |
SR 328 | 1932 | now | |
SR 329 | 1932 | now | |
SR 330 | 1932 | now | |
SR 331 | 1932 | now | |
SR 332 | 1932 | now | |
SR 333 | 1946 ← 120 (part) |
1962 | Lucas |
SR 333 | 1932 | 1937 → 152 (part) |
|
SR 334 | 1969 | now | |
SR 334 | 1932 | 1937 → 164 (part) |
|
SR 335 | 1932 | now | |
SR 336 | 1932 ← US 127 (part) |
1945 | Paulding |
SR 337 | 1932 | 1936 → 338 (part) |
|
SR 338 | 1932 | 2012* | |
SR 339 | 1933 | now | |
SR 340 | 1932 | now | |
SR 341 | 1933 ←US 21 (part)? |
1941 | Stark |
SR 342 | 1933 | now | |
SR 343 | 1933 | now | |
SR 344 | 1935 | now | |
SR 345 | 1935 | now | |
SR 346 | 1935 | 1983 → 32 (part) |
|
SR 347 | 1935 | now | |
SR 348 | 1935 | now | |
SR 349 | 1934 | now | Lake Alma |
SR 350 | 1935 | now | Fort Ancient |
SR 351 | 1935 | 1969 | Washington |
SR 352 | 1935 | 1938 → 212 (part) |
Fort Laurens |
SR 353 | 1935 | now | |
SR 354 | 1934 | 1938 → 172 (part) |
Guilford Lake |
SR 355 | 1934 | 1997 | Fort St. Clair State Park |
SR 356 | 1934 | now | Waterloo State Forest |
SR 357 | 1934 | now | |
SR 358 | 1934 | now | |
SR 359 | 1934 | 1985 | Kendall State Park |
SR 360 | 1934 | now | Buckeye Lake |
SR 361 | 1934 | now | Logan Elm |
SR 362 | 1934 | now | Lake Loramie |
SR 363 | 1934 | now | Lake Loramie |
SR 364 | 1934 | now | Lake St. Marys |
SR 365 | 1934 | now | Indian Lake |
SR 366 | 1934 | now | Indian Lake |
SR 367 | 1934 | 1937 → 708 (part) |
Indian Lake |
SR 368 | 1934 | now | Indian Lake |
SR 369 | 1934 | now | George Rogers Clark State Park |
SR 370 | 1934 | now | John Bryan State Park |
SR 371 | 1934 | now | Shawnee State Forest |
SR 372 | 1934 | now | Scioto Trail State Forest |
SR 373 | 1934 | now | Dean State Forest |
SR 374 | 1934 | now | Conkles Hollow |
SR 375 | 1935 | 1969 | Washington |
SR 376 | 1934 | now | Council Rock |
SR 377 | 1934 ← 77 (part) |
now | |
SR 378 | 1935 | now | |
SR 379 | 1935 | now | |
SR 380 | 1935 | now | |
SR 381 | 1935 | 1936 → 118 (part) |
|
SR 382 | 1935 | 1936 → 306 (part) |
|
SR 383 | 1935 | now | |
SR 384 | 1935 | 1957 → US 6 (part) |
Williams |
SR 385 | 1935 | now | |
SR 386 | 1935 | 1936 → 204 (part) |
|
SR 387 | 1935 | 1962 | Erie |
SR 412 | 1969 ← 12 (part) |
now | |
SR 416 | 1969 ← 16 (part) |
now | |
SR 420 | 1969 ← 120 (part) |
now | |
SR 421 | 1959 ← US 42-224 (part) |
now | |
SR 423 | 1969 ← US 23 (part) |
now | |
SR 423 | 1962 | 1962 | now proposed 823; appears as proposed on other maps (e.g. 1969) but unlabeled |
SR 424 | 1964 ← US 24 (part) |
2012* | |
SR 430 | 1961 | now | |
SR 435 | 2007 | now | unlabeled; don't have the 2005 map |
SR 440 | 1959 ← US 40 (part) |
1967 → US 40 (part) |
|
SR 444 | 1959 ← 4 (part) |
now | |
SR 446 | 1983 ← 14 (part)? |
now | |
SR 450 | 2004*? | now | |
SR 500 | 1937 | now | Paulding part had been 194 until 1926 |
SR 501 | 1937 | now | Allen/Auglaize |
SR 502 | 1937 | now | Darke |
SR 503 | 1937 | now | Butler/Darke/Preble |
SR 504 | 1937 | 1981 → 202 (part) |
Miami |
SR 505 | 1937 | now | Brown |
SR 506 | 1937 | now | Highland |
SR 507 | 1937 | now | Champaign |
SR 508 | 1937 | now | Logan |
SR 509 | 1937 | 1964 | Wyandot |
SR 510 | 1937 | now | Sandusky |
SR 511 | 1937 | now | Ashland/Lorain |
SR 512 | 1937 | 1959 | Licking swapped with 16 in 1940-1941 |
SR 513 | 1937 | now | Guernsey/Noble |
SR 514 | 1937 | now | Holmes/Knox/Wayne |
SR 515 | 1937 | now | Holmes |
SR 516 | 1937 | now | Tuscarawas |
SR 517 | 1937 | now | Columbiana |
SR 518 | 1937 | now | Columbiana |
SR 519 | 1937 | now | Harrison |
SR 520 | 1937 | now | Holmes |
SR 521 | 1937 | now | Delaware |
SR 522 | 1947 | now | Lawrence/Scioto |
SR 522 | 1937 | 1939 → 166 (part) |
Ashtabula/Geauga |
SR 523 | 1939 | now | Sandusky |
SR 524 | 1947 | now | Carroll/Jefferson |
SR 524 | 1937 | 1941 | Ashtabula |
SR 526 | 1937 | 1979 | Portage/Summit |
SR 527 | 1971 | now | |
SR 527 | 1937 | 1941 | Portage/Summit |
SR 528 | 1937 | now | Geauga |
SR 529 | 1939 | now | Marion/Morrow |
SR 530 | 1937 | now | Washington |
SR 531 | 1937 | now | Ashtabula |
SR 532 | 1937 | now | Portage/Summit |
SR 533 | 1937 | 2014^ | Logan |
SR 534 | 1937 | now | Ashtabula/Mahoning/Trumbull |
SR 535 | 1937 | now | Lake |
SR 536 | 1937 | now | Monroe |
SR 537 | 1937 | now | Monroe |
SR 538 | 1937 | 1938 → 167 (part) |
Ashtabula |
SR 539 | 1964 | now | Wayne |
SR 539 | 1937 | 1959 | Morgan |
SR 540 | 1937 | now | Logan |
SR 541 | 1962 ← 271 |
now | |
SR 541 | 1937 | 1942 | Lake |
SR 542 | 1937 | now | Carroll |
SR 543 | 1937 | 1959 | Miami |
SR 544 | 1937 | 1959 | Richland |
SR 545 | 1937 | now | Morrow/Richland |
SR 546 | 1937 | now | Knox/Richland |
SR 547 | 1937 | now | Huron |
SR 548 | 1937 | 1967 → 94 (part) |
Medina/Wayne |
SR 549 | 1937 | 1938 → 95 (part) |
Ashland/Wayne |
SR 550 | 1976 ← US 50A |
now | |
SR 550 | 1937 | 1946 → 220 (part) |
Pike |
SR 551 | 1937 | now | Pike |
SR 552 | 1937 | now | Pike |
SR 553 | 1937 | now | Gallia |
SR 554 | 1937 | now | Gallia |
SR 555 | 1937 | now | Morgan/Muskingum/Perry/Washington |
SR 556 | 1937 | now | Monroe |
SR 557 | 1937 | now | Holmes |
SR 558 | 1937 | now | Columbiana |
SR 559 | 1937 | now | Champaign/Logan |
SR 560 | 1937 | now | Champaign |
SR 561 | 1937? | now | Hamilton; first shown in 1938 |
SR 562 | 1937? | now | Hamilton; first shown in 1938 |
SR 563 | 1937 | 1964 | Noble |
SR 564 | 1937 | now | Noble |
SR 565 | 1937 | now | Monroe/Noble |
SR 566 | 1937 | now | Noble |
SR 567 | 1937? | 1955 | Williams; first shown in 1938 |
SR 568 | 1965 ← 15 (part) |
now | Hancock/Wyandot |
SR 568 | 1939 | 1951 → US 23-24-25 Bypass (part) |
Fulton-Lucas |
SR 569 | 1937? | 1955 | Williams; first shown in 1938 |
SR 570 | 1937 | 1961 | Lucas |
SR 571 | 1962 ← 71 |
now | |
SR 571 | 1937 | 1955 → 576 (part) |
Williams |
SR 572 | 1937 | 1945 | Lucas |
SR 573 | 1939 | 1945 | Defiance |
SR 574 | 1947 | now | Guernsey/Noble was there an earlier one? |
SR 575 | 1937 | now | Ottawa |
SR 576 | 1937 | now | Williams |
SR 577 | 1937 | 1951 → US 24 (part) |
Lucas |
SR 578 | 1937 | 2012* | Henry/Wood |
SR 579 | 1937 | now | Ottawa/Wood |
SR 580 | 1939 | 1957 | Defiance/Henry |
SR 581 | 1937 | 1939 | Lucas |
SR 582 | 1940 | now | |
SR 584 | 1937 | 1957 | Ottawa |
SR 585 | 1969 ← 5 (part) |
now | Summit/Wayne |
SR 585 | 1937 | 1939 → US 20 (part) |
Lorain |
SR 586 | 1939 | now | Knox/Licking/Muskingum |
SR 587 | 1937 | now | Wyandot |
SR 588 | 1947 | now | Gallia was there an earlier one? |
SR 589 | 1937 | now | Miami/Shelby |
SR 590 | 1937 | now | Ottawa/Sandusky/Seneca |
SR 591 | 1937 | 1955 | Seneca |
SR 592 | 1937 | 1955 | Seneca |
SR 595 | 1937 | now | Hocking/Perry |
SR 596 | 1937 | 1958 | Licking |
SR 598 | 1937 | now | Crawford |
SR 600 | 1937 | now | Sandusky |
SR 601 | 1938 | now | Erie/Huron |
SR 602 | 1937 | now | Crawford |
SR 603 | 1937 | now | Ashland/Richland; first shown in 1938 but almost certainly existed in 1937 |
SR 604 | 1937 | now | Ashland/Wayne |
SR 605 | 1937 | now | Delaware/Franklin |
SR 606 | 1937 | now | Medina |
SR 607 | 2013* | now | |
SR 607 | 1987 | 2007 → 775 (part) |
unlabeled until 1995 was there an earlier one? |
SR 608 | 1938 | now | Geauga/Lake |
SR 609 | 1937 | now | Trumbull |
SR 611 | 1937 | now | Lorain |
SR 612 | 1937 | 1951 | Cuyahoga |
SR 613 | 1969 ← 113 (part) |
now | |
SR 613 | 1937 | 1945 → 175 (part) |
Cuyahoga |
SR 614 | 1937 | 1942 | Lake |
SR 615 | 1937 | now | Lake |
SR 616 | 1939 | now | Mahoning/Trumbull |
SR 617 | 1937 | now | Mahoning |
SR 618 | 1937 | now | Washington swapped with US 50-7 in 1964-1965? |
SR 619 | 1937 | now | Stark/Summit |
SR 621 | 1941 | now | Coshocton |
SR 622 | 1937 | 1941 | Mahoning |
SR 623 | 1938 | 1941 | Stark |
SR 625 | 1937 | now | Mahoning |
SR 626 | 1937 | now | Mahoning |
SR 627 | 1987 | now | Stark |
SR 627 | 1937 | 1969 → 225 (part) |
Portage |
SR 628 | 1937 | 1967 | Stark |
SR 629 | 1937 | 1941 | Mahoning |
SR 630 | 1937 | now | Mahoning |
SR 631 | 1937 | 1967 | Summit |
SR 632 | 1937 | 1966 | Summit |
SR 633 | 1939 ← 2 (part) |
now | Lake unlabeled until 1946; where was 633 in 1937? |
SR 634 | 1937 | now | Defiance/Putnam |
SR 635 | 1937 | now | Sandusky/Seneca |
SR 636 | 1937 | 1942 | Van Wert |
SR 637 | 1937 | now | Paulding/Van Wert |
SR 638 | 1937 | now | Logan |
SR 640 | 1937? | now | Lake originally Kirtland Road; extended west of 288 in 1941 |
SR 643 | 1937 | now | Coshocton/Holmes |
SR 644 | 1937 | now | Columbiana |
SR 646 | 1937 | now | Harrison/Jefferson |
SR 647 | 1937 | now | Belmont/Jefferson; first shown in 1939 but almost certainly existed in 1937 |
SR 650 | 1955 | now | Lawrence was there an earlier one? |
SR 651 | 1939 | now | Coshocton/Tuscarawas |
SR 652 | 2012* | now | was there an earlier one? |
SR 655 | 1939 | 1967 | Belmont |
SR 656 | 1937 | now | Delaware/Morrow |
SR 657 | 1937 | now | Knox/Licking |
SR 658 | 1937 | now | Guernsey |
SR 660 | 1937 | now | Guernsey |
SR 661 | 1937 | now | Knox/Licking |
SR 662 | 1937 | now | Coshocton/Guernsey/Muskingum |
SR 663 | 1937 | 1937 → 669 (part) |
Perry |
SR 664 | 1937 | now | Fairfield/Hocking |
SR 665 | 1937 | now | Franklin/Madison |
SR 666 | 1937 | now | Muskingum |
SR 668 | 1937 | now | Hocking/Licking/Perry |
SR 669 | 1937 | now | Morgan/Perry |
SR 670 | 1937 | 1973 → 313 (part), 761 |
Guernsey/Noble |
SR 671 | 1939 | now | Vinton |
SR 672 | 1937 | now | Guernsey/Noble |
SR 673 | 1937 | 1937 → 340 (part) |
Guernsey/Muskingum |
SR 674 | 1937 | now | Fairfield/Franklin/Pickaway |
SR 675 | 1937 | 1962 → 685 |
Athens |
SR 676 | 1937 | now | Washington |
SR 677 | 1937 | now | Vinton |
SR 678 | 1937 | now | Hocking |
SR 680 | 1937 | 1962 → 681 |
Athens/Washington |
SR 681 | 1962 ← 680 |
now | was there an earlier one? |
SR 682 | 1937 | now | Athens |
SR 683 | 1937 | now | Vinton |
SR 684 | 1937 | now | Athens |
SR 685 | 1962 ← 675 |
now | was there an earlier one? |
SR 686 | 1937 | 1941 | Stark |
SR 687 | 1937 | now | Stark |
SR 689 | 1937 | now | Meigs/Vinton |
SR 690 | 1937 | now | Athens |
SR 691 | 1938 | now | Athens |
SR 692 | 1937 | 2013* | Athens |
SR 694 | 1937 | now | Putnam |
SR 695 | 1939 ← US 40 (part)? |
1939 → US 40A |
Belmont |
SR 696 | 1937 | now | Allen/Putnam first shown in 1939, but almost certainly existed in 1937; 1930s county maps show it |
SR 697 | 1938 | now | Van Wert |
SR 698 | 1937 | now | Hancock |
SR 699 | 1937 | 1996 → 293 (part) |
Wyandot |
SR 700 | 1942 ← 80 (part) |
now | Geauga/Portage |
SR 701 | 1937 | now | Hardin |
SR 702 | 1940 | 1977 | Logan |
SR 703 | 1937 | now | Mercer |
SR 704 | 1937 | 1939 → 81 (part) |
Allen/Van Wert |
SR 705 | 1937 | now | Darke/Shelby |
SR 706 | 1937 | now | Logan/Shelby |
SR 707 | 1937 | now | Mercer |
SR 708 | 1937 | now | Logan |
SR 709 | 1938 | now | Van Wert |
SR 710 | 1969 | now | Franklin was there an earlier one? |
SR 711 | 1977 | now | Mahoning was there an earlier one? |
SR 714 | 1937 | 1982 → 814 |
Champaign |
SR 715 | 1939 | now | Coshocton/Knox swapped with US 36 in 1961-1962 |
SR 716 | 1937 | now | Darke/Mercer |
SR 718 | 1937 | now | Miami |
SR 719 | 1995? | now | Muskingum was there an earlier one? |
SR 720 | 1937 | now | Auglaize/Logan |
SR 721 | 1937 | now | Darke/Miami |
SR 722 | 1937 | now | Darke |
SR 723 | 1964? | now | Guernsey |
SR 723 | 1939 | 1945 | Clinton/Warren |
SR 724 | 1937 | now | Monroe/Noble |
SR 725 | 1937 | now | Montgomery/Preble |
SR 726 | 1937 | now | Darke/Preble |
SR 727 | 1937 | now | Clermont |
SR 728 | 1974 | now | Scioto was there an earlier one? |
SR 729 | 1937 | now | Fayette/Madison |
SR 730 | 1939 | now | Clinton |
SR 732 | 1937 | now | Preble |
SR 733 | 2013* | now | was there an earlier one? |
SR 734 | 1937 | now | Fayette |
SR 735 | 1971? ← US 35 (part) |
now | was there an earlier one? |
SR 736 | 1937 | now | Union |
SR 739 | 1937 | now | Marion/Union |
SR 741 | 1938 | now | Montgomery/Warren |
SR 743 | 1937 | now | Clermont |
SR 744 | 1937 | now | Butler |
SR 745 | 1937 | now | Delaware/Franklin |
SR 746 | 1937 | now | Marion/Morrow |
SR 747 | 1937 | now | Butler/Hamilton |
SR 748 | 1937 | now | Butler |
SR 749 | 1937 | now | Clermont |
SR 750 | 1937 | now | Delaware |
SR 751 | 1962 ← 75 (part) |
now | |
SR 751 | 1937 | 1959 | Franklin |
SR 752 | 1937 | now | Pickaway |
SR 753 | 1937 | now | Fayette |
SR 754 | 1962 ← 77 |
now | was there an earlier one? |
SR 756 | 1937 | now | Clermont |
SR 757 | 1937 | now | Perry |
SR 761 | 1974 ← 670 (part) |
now | was there an earlier one? |
SR 762 | 1938 | now | Pickaway |
SR 763 | 1938 | now | Brown |
SR 764 | 1946 | now | Summit was there an earlier one? |
SR 767 | 1965?? | now | Belmont was there an earlier one? |
SR 768 | 1946 | now | Knox was there an earlier one? |
SR 770 | 1937 | now | Adams |
SR 771 | 1937 | now | Highland |
SR 772 | 1937 | now | Pike/Ross |
SR 773 | 1937 | 1937 → 162 (part) |
Lorain/Medina/Summit |
SR 774 | 1938 | now | Brown/Clermont |
SR 775 | 1937 | now | Gallia/Lawrence |
SR 776 | 1938 | now | Jackson/Pike/Scioto |
SR 778 | 1942 | now | Seneca was there an earlier one? |
SR 780 | 1937 | 1946 → 131 (part) |
Highland |
SR 781 | 1937 | now | Adams; first shown on 1938 but almost certainly existed in 1937 |
SR 782 | 1949 | 1961? → I-71 (part) |
Franklin (Sandusky Street) was there an earlier one? |
SR 785 | 1937 | now | Highland |
SR 788 | 1939 | now | Jackson |
SR 790 | 1937 | now | Gallia/Lawrence |
SR 791 | 1946 | 1976? → US 30 |
Stark based on the Canton inset it should have been part of US 30 in 1976 was there an earlier one? |
SR 792 | 1937 | now | Morgan/Washington |
SR 793 | 1959 | 2006* | Fairfield |
SR 793 | 1937 | 1937 → US 33 (part)? |
Franklin |
SR 794 | 1950 | 2013 | Clark |
SR 794 | 1937 | 1942 | Mahoning |
SR 795 | 1937 | now | Ottawa/Wood |
SR 796 | 1938 ← 31 (part) |
1964 | Hocking |
SR 797 | 1946 | 2014* | Muskingum |
SR 797 | 1939 | 1941 | Portage |
SR 798 | 1939 | 1978 | Belmont |
SR 799 | 1949 | now | Harrison was there an earlier one? |
SR 800 | 1969 ← 8 (part) |
now | |
SR 807 | 1978? | now | unlabeled until 1996 |
SR 814 | 1983 ← 714 |
now | |
SR 821 | 1971 | now | had been part of US 21 until after 1967; portions became extensions of other routes in 1969 |
SR 822 | 1992? | now | unlabeled |
SR 823 | 2005*?? | now | proposed |
SR 833 | 2007 | now | don't have the 2005 map |
SR 835 | 1989 | now | |
SR 844 | 1995 ← 444A |
now | |
SR 850 | 1995 | now | |
SR 852 | 1987 | now | unlabeled until 1995 |
SR 872 | 1985 | now | unlabeled until 1987 |