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-42 | Idaho state line near Malta, Idaho | SR-30 at Curlew Junction (near Promontory) | 7.390 | 11.893 | 1930s | current | Formerly part of US-30S |
| SR-43 | Wyoming Highway 414 at the Wyoming state line near Mountain View, Wyoming | Wyoming Highway 530 at the Wyoming state line near Green River, Wyoming | 10.557 | 16.990 | 1930s | current |  |
| SR-44 | US-191 at Greendale Junction (Flaming Gorge) | SR-43 in Manila | 27.995 | 45.054 | 1930s | current |  |
| SR-45 | South of Bonanza | US-40 near Naples | 40.028 | 64.419 | 1930s | current |  |
| SR-46 | US-191 at La Sal Junction | Colorado State Highway 90 at the Colorado state line near Naturita, Colorado | 21.595 | 34.754 | 1930s | current |  |
| SR-47 | Arizona state line in Monument Valley | Monticello |  |  | 1930s | 1977 | Now US-163 and part of US-191 |