| Part of the series on Highways in Ohio | |
| U. The Ohio Department of Transportation is responsible for the establishment and classification of a State highway network which includes interstate highways, U S. routes | |
| Interstates | |
| State routes | |
| City specific | |
U.S. Routes in Ohio are owned and maintained by the state. Interstate Highways in Ohio are owned and maintained by the state State Routes in Ohio are owned and maintained by the state They are signed with a white silhouette of Ohio against a black background The Ohio Department of Transportation is responsible for the establishment and classification of a State highway network which includes interstate highways, U The system of United States Numbered Highways (often called U Ohio ( is a Midwestern state of the United States. As part of the Great Lakes region, Ohio has long been a cultural and geographical crossroads
| US 6 | Also known as the Grand Army of the Republic Highway. US Route 6, also called the Grand Army of the Republic Highway, is a main route of the U [1] | |
| US 20 | ||
| US 20N | ||
| US 20S | ||
| US 21 | ||
| US 22 | ||
| US 23 | ||
| US 24 | ||
| US 25 | Enters Ohio via a bridge to Cincinnati from Kentucky. US Route 20 is an east-west United States highway. As the "0" in its route number implies U US Route 21 in the pre-Interstate era was a north-south highway connecting the area around Lake Erie and the coastal South US Route 22 ( US 22) is a west-east route and is one of the original United States highways of 1926 US Route 23 is a long north-south US highway between Jacksonville Florida, and Mackinaw City Michigan. US Route 24, a dual north-south/east-west route is one of the original United States highways of 1926 US Route 25 is a north-south US highway in the eastern United States of America that now connects Cincinnati Ohio, at the Ohio River to Brunswick It is Kentucky maintained, however. | |
| US 27 | ||
| US 30 | ||
| US 30A | ||
| US 30J | ||
| US 30N | ||
| US 30S | ||
| US 33 | ||
| US 30J | ||
| US 33T | ||
| US 35 | ||
| US 35J | ||
| US 36 | ||
| US 40 | Also known as the National Road. US Route 27 ( US 27) is a north-south United States highway in the southern and midwestern United States. US Route 30 is an east-west main route of the system of United States Numbered Highways, with the highway traveling across the northern tier of the country State Route 309 ( SR 309) is an east-west highway in central Ohio. United States Highway 33 is a United States highway that runs northwest-southeast for 709 miles (1141 km from northern Indiana to Richmond Virginia US Route 35 is a north-south United States highway that runs northwest-southeast for approximately from northern Indiana to the western suburbs of Charleston US Route 36 is an east-west United States highway that runs for 1414 miles (2276 km from Rocky Mountain National Park, Colorado to Uhrichsville US 40svg|right|100px|thumb|The National Road is now included as part of U | |
| US 42 | ||
| US 50 | ||
| US 50N | ||
| US 50S | ||
| US 52 | ||
| US 62 | ||
| US 62A | ||
| US 62T | ||
| US 68 | ||
| US 127 | ||
| US 223 | ||
| US 224 | ||
| US 250 | ||
| US 322 | ||
| US 422 |