List of state highways in Utah List List

| Number_ | South_or_west_terminus | North_or_east_terminus | Length_mi | Length_km | Formed | Deleted | Notes_ |
|---|---|---|---|---|---|---|---|
| SR-20 | I-15 north of Paragonah | US-89 at Orton (Bear Valley Junction) | 20.492 | 32.979 | 1930s | current |  |
| SR-21 | Nevada State Route 487 at the Nevada state line near Baker, Nevada | SR-160 in Beaver | 107.343 | 172.752 | 1930s | current |  |
| SR-22 | Antimony | SR-62 | 6.852 | 11.027 | 1930s | current |  |
| SR-23 | US-89/US-91 south of Wellsville | County Road D1 at the Idaho state line near Weston, Idaho | 29.890 | 48.103 | 1953 | current |  |
| SR-23 | Widtsoe | Escalante |  |  | 1930s | 1947 | Now part of SR-12 |
| SR-24 | US-50 near Salina | I-70/US-50 west of Green River | 160.243 | 257.886 | 1930s | current |  |
| SR-25 | SR-24 at Fish Lake Junction | Bowery Haven Resort (Fish Lake) | 9.995 | 16.085 | 1930s | current |  |
| SR-26 | SR-126 in Roy | US-89 in Ogden | 3.724 | 5.993 | 1977 | current |  |