Oklahoma State Highway 20
State Highway 20 | ||||
|---|---|---|---|---|
| Route information | ||||
| Maintained by ODOT | ||||
| Length | 142.7 mi (229.7 km) | |||
| Major junctions | ||||
| West end | SH-18 near Ralston | |||
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| East end | AR 43 / Route 43 at the Arkansas–Missouri state tripoint near Southwest City, MO | |||
| Location | ||||
| Country | United States | |||
| State | Oklahoma | |||
| Counties | Osage, Tulsa, Rogers, Mayes, Delaware, Benton (AR) | |||
| Highway system | ||||
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State Highway 20 (abbreviated SH-20) is a highway in northeastern Oklahoma. Its eastern terminus is at the Missouri state line; its western terminus is at SH-18 near Ralston. The highway runs a total length of 142.7 miles (229.7 km). It has no lettered spur routes.