1962 Ohio state highway renumbering

May 2025 January 2025 In 1962, the Ohio Department of Highways implemented the system of Interstate Highways that had been approved by the states in 1956. The State Route numbers 70, 71, 74, 75, 77, 80, 90, 270, 271, 275, 277, 280, 290, 675, and 680 conflicted with new designations, so the State Routes with those numbers were renumbered.1962 "Change in Route Numbers" message to left of map legend NewOldFromTo0321 State Route 320741 State Route 74CincinnatiAthens (subsequently extended to West Virginia border at Belpre)0411 State Route 410701 State Route 70CovingtonGreenfield0412 State Route 410411 State Route 41GreenfieldAberdeen0601 State Route 600601 State Route 60VermilionLoudonville (SR 60 overlaps SR 39 to east of Nashville)0602 State Route 600772 State Route 77East of Nashville (SR 60 overlaps SR 39 to east of Nashville)West Virginia border in Marietta0931 State Route 930931 State Route 93AkronWest Lafayette0932 State Route 930752 State Route 75West LafayetteIronton1701 State Route 1700901 State Route 90North KingsvillePetersburg1702 State Route 1701701 State Route 170PetersburgCalcutta1831 State Route 1830801 State Route 80EdinburgSandyville2071 State Route 2072771 State Route 277ChillicotheMount Sterling2301 State Route 2302701 State Route 270PerrysburgPerrysburg (Fort Meigs State Memorial)2451 State Route 2452751 State Route 275RosewoodMarysville2961 State Route 2962901 State Route 290Salem TownshipWayne Township3291 State Route 3292801 State Route 280TrimbleAmesville3292 State Route 3293291 State Route 329AmesvilleGuysville5411 State Route 5412711 State Route 271MartinsburgBirmingham5711 State Route 5710711 State Route 71IndianaNew Carlisle6811 State Route 6816801 State Route 680MineralReedsville6851 State Route 6856751 State Route 675BuchtelTrimble Township7511 State Route 7510751 State Route 75Stone CreekWest Lafayette7531 State Route 7537531 State Route 753Washington Court HouseGreenfield7532 State Route 7530702 State Route 70GreenfieldSouth of Cynthiana7531 State Route 7540771 State Route 77Southwest of ShreveEast of Nashville Other renumberings due to new interstate designations after 1962 In 1972, due to the designation of I-76 in Ohio, Ohio State Route 76 had the part north of Beverly renumbered to Ohio State Route 83 and the rest became a southward extension of Ohio State Route 339. In 1973, due to the designation of I-670 in Ohio, Ohio State Route 670 had the portion east of Ohio State Route 313 become an extension of it and the rest was renumbered to Ohio State Route 761. See also Numbered highways in Ohio References Renumbering 1962 Ohio State Highway Renumbering, 1962 State Highway Renumbering, 1962 Category:Highway renumbering in the United States