Interstate 70 in Ohio
I-70 highlighted in red | ||||
| Route information | ||||
| Maintained by ODOT | ||||
| Length | 225.60 mi (363.07 km) | |||
| Existed | 1956–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end | I-70 / US 35 at Indiana state line | |||
| East end | I-70 at West Virginia state line | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Preble, Montgomery, Clark, Madison, Franklin, Fairfield, Licking, Muskingum, Guernsey, Belmont | |||
| Highway system | ||||
| ||||
| ||||
Interstate 70 (I-70) in the US state of Ohio provides access between Indiana and West Virginia. I-70 is a major highway for traffic within, to, from, and through Ohio. The highway is a core roadway of the Columbus metropolitan area and is of additional importance in the Dayton metropolitan area.