Utah State Route 121
| Route information | ||||
|---|---|---|---|---|
| Maintained by UDOT | ||||
| Length | 40.293 mi (64.845 km) | |||
| Existed | 1931–present | |||
| Major junctions | ||||
| West end | US 40 / US 191 in Roosevelt | |||
| East end | US 40 / US 191 in Vernal | |||
| Location | ||||
| Country | United States | |||
| State | Utah | |||
| Highway system | ||||
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State Route 121 (SR-121) is a state highway that is an alternative to US-40 and US-191. It serves the communities of Vernal, Lapoint, Neola, Cedarview, and Roosevelt.