AARoads:United States/Ohio/All-time list
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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)
Interstate Highways
(Interstate 70 I-70) Interstate 70 (Ohio) Interstate 70 in Ohio I-70 (OH)
(Interstate 71 I-71) Interstate 71 (Ohio) Interstate 71 in Ohio I-71 (OH)
(Interstate 73 I-73) Interstate 73 (Ohio) Interstate 73 in Ohio I-73 (OH)
(Interstate 74 I-74) Interstate 74 (Ohio) Interstate 74 in Ohio I-74 (OH)
(Interstate 75 I-75) Interstate 75 (Ohio) Interstate 75 in Ohio I-75 (OH)
(Interstate 76 I-76) Interstate 76 (Ohio) Interstate 76 in Ohio I-76 (OH)
(Interstate 77 I-77) Interstate 77 (Ohio) Interstate 77 in Ohio I-77 (OH)
(Interstate 80 I-80) Interstate 80 (Ohio) Interstate 80 in Ohio I-80 (OH)
(Interstate 80N I-80N) Interstate 80N (Ohio) Interstate 80N in Ohio I-80N (OH)
(Interstate 80S I-80S) Interstate 80S (Ohio) Interstate 80S in Ohio I-80S (OH)
(Interstate 90 I-90) Interstate 90 (Ohio) Interstate 90 in Ohio I-90 (OH)
(Interstate 177 I-177) Interstate 177 (Ohio) Interstate 177 in Ohio I-177 (OH)
(Interstate 270 I-270) Interstate 270 (Ohio) Interstate 270 in Ohio I-270 (OH)
(Interstate 271 I-271) Interstate 271 (Ohio) Interstate 271 in Ohio I-271 (OH)
(Interstate 275 I-275) Interstate 275 (Ohio) Interstate 275 in Ohio I-275 (OH)
(Interstate 277 I-277) Interstate 277 (Ohio) Interstate 277 in Ohio I-277 (OH)
(Interstate 280 I-280) Interstate 280 (Ohio) Interstate 280 in Ohio I-280 (OH)
(Interstate 290 I-290) Interstate 290 (Ohio) Interstate 290 in Ohio I-290 (OH)
(Interstate 380 I-380) Interstate 380 (Ohio) Interstate 380 in Ohio I-380 (OH)
(Interstate 470 I-470) Interstate 470 (Ohio) Interstate 470 in Ohio I-470 (OH)
(Interstate 471 I-471) Interstate 471 (Ohio) Interstate 471 in Ohio I-471 (OH)
(Interstate 475 I-475) Interstate 475 (Ohio) Interstate 475 in Ohio I-475 (OH)
(Interstate 480 I-480) Interstate 480 (Ohio) Interstate 480 in Ohio I-480 (OH)
(Interstate 480N I-480N) Interstate 480N (Ohio) Interstate 480N in Ohio I-480N (OH)
(Interstate 490 I-490) Interstate 490 (Ohio) Interstate 490 in Ohio I-490 (OH)
(Interstate 670 I-670) Interstate 670 (Ohio) Interstate 670 in Ohio I-670 (OH)
(Interstate 675 I-675) Interstate 675 (Ohio) Interstate 675 in Ohio I-675 (OH)
(Interstate 680 I-680) Interstate 680 (Ohio) Interstate 680 in Ohio I-680 (OH)
U.S. Highways
(U.S. Route 6 U.S. Highway 6 US 6) U.S. Route 6 (Ohio) U.S. Route 6 in Ohio US 6 (OH)
KML GeoJSON
(U.S. Route 20 U.S. Highway 20 US 20) U.S. Route 20 (Ohio) U.S. Route 20 in Ohio US 20 (OH)
KML GeoJSON
(U.S. Route 20N U.S. Highway 20N US 20N) U.S. Route 20N (Ohio) U.S. Route 20N in Ohio US 20N (OH)
KML GeoJSON
(U.S. Route 20S U.S. Highway 20S US 20S) U.S. Route 20S (Ohio) U.S. Route 20S in Ohio US 20S (OH)
KML GeoJSON
(U.S. Route 21 U.S. Highway 21 US 21) U.S. Route 21 (Ohio) U.S. Route 21 in Ohio US 21 (OH)
KML GeoJSON
(U.S. Route 22 U.S. Highway 22 US 22) U.S. Route 22 (Ohio) U.S. Route 22 in Ohio US 22 (OH)
KML GeoJSON
(U.S. Route 23 U.S. Highway 23 US 23) U.S. Route 23 (Ohio) U.S. Route 23 in Ohio US 23 (OH)
KML GeoJSON
(U.S. Route 24 U.S. Highway 24 US 24) U.S. Route 24 (Ohio) U.S. Route 24 in Ohio US 24 (OH)
KML GeoJSON
(U.S. Route 25 U.S. Highway 25 US 25) U.S. Route 25 (Ohio) U.S. Route 25 in Ohio US 25 (OH)
KML GeoJSON
(U.S. Route 27 U.S. Highway 27 US 27) U.S. Route 27 (Ohio) U.S. Route 27 in Ohio US 27 (OH)
KML GeoJSON
(U.S. Route 30 U.S. Highway 30 US 30) U.S. Route 30 (Ohio) U.S. Route 30 in Ohio US 30 (OH)
KML GeoJSON
(U.S. Route 30N U.S. Highway 30N US 30N) U.S. Route 30N (Ohio) U.S. Route 30N in Ohio US 30N (OH)
KML GeoJSON
(U.S. Route 30S U.S. Highway 30S US 30S) U.S. Route 30S (Ohio) U.S. Route 30S in Ohio US 30S (OH)
KML GeoJSON
(U.S. Route 33 U.S. Highway 33 US 33) U.S. Route 33 (Ohio) U.S. Route 33 in Ohio US 33 (OH)
KML GeoJSON
(U.S. Route 35 U.S. Highway 35 US 35) U.S. Route 35 (Ohio) U.S. Route 35 in Ohio US 35 (OH)
KML GeoJSON
(U.S. Route 36 U.S. Highway 36 US 36) U.S. Route 36 (Ohio) U.S. Route 36 in Ohio US 36 (OH)
KML GeoJSON
(U.S. Route 40 U.S. Highway 40 US 40) U.S. Route 40 (Ohio) U.S. Route 40 in Ohio US 40 (OH)
KML GeoJSON
(U.S. Route 42 U.S. Highway 42 US 42) U.S. Route 42 (Ohio) U.S. Route 42 in Ohio US 42 (OH)
KML GeoJSON
(U.S. Route 50 U.S. Highway 50 US 50) U.S. Route 50 (Ohio) U.S. Route 50 in Ohio US 50 (OH)
KML GeoJSON
(U.S. Route 50N U.S. Highway 50N US 50N) U.S. Route 50N (Ohio) U.S. Route 50N in Ohio US 50N (OH)
KML GeoJSON
(U.S. Route 50S U.S. Highway 50S US 50S) U.S. Route 50S (Ohio) U.S. Route 50S in Ohio US 50S (OH)
KML GeoJSON
(U.S. Route 52 U.S. Highway 52 US 52) U.S. Route 52 (Ohio) U.S. Route 52 in Ohio US 52 (OH)
KML GeoJSON
(U.S. Route 62 U.S. Highway 62 US 62) U.S. Route 62 (Ohio) U.S. Route 62 in Ohio US 62 (OH)
KML GeoJSON
(U.S. Route 68 U.S. Highway 68 US 68) U.S. Route 68 (Ohio) U.S. Route 68 in Ohio US 68 (OH)
KML GeoJSON
(U.S. Route 127 U.S. Highway 127 US 127) U.S. Route 127 (Ohio) U.S. Route 127 in Ohio US 127 (OH)
KML GeoJSON
(U.S. Route 223 U.S. Highway 223 US 223) U.S. Route 223 (Ohio) U.S. Route 223 in Ohio US 223 (OH)
KML GeoJSON
(U.S. Route 224 U.S. Highway 224 US 224) U.S. Route 224 (Ohio) U.S. Route 224 in Ohio US 224 (OH)
KML GeoJSON
(U.S. Route 250 U.S. Highway 250 US 250) U.S. Route 250 (Ohio) U.S. Route 250 in Ohio US 250 (OH)
KML GeoJSON
(U.S. Route 322 U.S. Highway 322 US 322) U.S. Route 322 (Ohio) U.S. Route 322 in Ohio US 322 (OH)
KML GeoJSON
(U.S. Route 422 U.S. Highway 422 US 422) U.S. Route 422 (Ohio) U.S. Route 422 in Ohio US 422 (OH)
KML GeoJSON
State highways
| 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 |