Oklahoma State Highway 78
| Route information | ||||
|---|---|---|---|---|
| Maintained by ODOT | ||||
| Length | 60 mi (97 km) | |||
| Major junctions | ||||
| South end | SH 78 at the Texas state line | |||
| North end | US 377 / SH-22 / SH-99 in Tishomingo | |||
| Location | ||||
| Country | United States | |||
| State | Oklahoma | |||
| Highway system | ||||
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State Highway 78 is a 60-mile (97 km) long (97 km) state highway in southern Oklahoma. It runs from the Red River (where it crosses into Texas as State Highway 78) to Tishomingo. It has no lettered spur routes.