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-26 | US-50 in Delta | US-89 in Salina |  |  | 1930s | 1977 | Now part of US-50 |
| SR-27 | Nevada state line near Baker, Nevada | US-91 near Santaquin |  |  | 1930s | 1977 | Legislative designation for US-6 in western Utah |
| SR-28 | US-89 in Gunnison | I-15 north of Nephi | 43.612 | 70.187 | 1930s | current |  |
| SR-29 | Joes Valley Reservoir | SR-10 north of Castle Dale | 21.732 | 34.974 | 1930s | current |  |
| SR-30 | Nevada State Route 233 at the Nevada state line near Montello, Nevada | Wyoming Highway 89 at the Wyoming state line near Kemmerer, Wyoming | 135.620 | 218.259 | 1966 | current |  |
| SR-30 | Fountain Green | Spring City |  |  | 1930s | 1966 |  |
| US-30S | Idaho state line near Snowville | Wyoming state line near Evanston, Wyoming |  |  | 1926 | 1977 | Replaced by I-84 and I-80 |