Ohio State Route 668
| Route information | ||||
|---|---|---|---|---|
| Maintained by ODOT | ||||
| Length | 29.24 mi (47.06 km) | |||
| Existed | 1937–present | |||
| Major junctions | ||||
| South end | SR 93 near Logan | |||
| US 22 in Somerset I-70 near Brownsville | ||||
| North end | US 40 in Brownsville | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Hocking, Perry, Licking | |||
| Highway system | ||||
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State Route 668 (SR 668) is a north-south state highway in central Ohio. Its southern terminus is at an intersection with SR 93 in the Wayne National Forest, northeast of Logan; its northern terminus is at an intersection with US 40 in the unincorporated community of Brownsville.