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-3 | Idaho state line near Montpelier, Idaho | Wyoming state line near Evanston, Wyoming |  |  | 1920s | 1962 | Now SR-16 and a portion of US-89 |
| SR-4 | I-15 near Cove Fort | Colorado State line near Fruita, Colorado | 231.673 | 372.842 | 1962 | 1977 | Legislative designation for I-70 |
| SR-4 | Nevada state line in Wendover | Wyoming state line near Evanston, Wyoming | 196.680 | 316.526 | 1920s | 1962 | Legislative designation for modern I-80, then US-40, US-530 and US-30S |
| SR-5 | I-80 in Salt Lake City | I-15 in North Salt Lake | 28.946 | 46.584 | 1962 | 1977 | Legislative designation for I-215 |
| SR-5 | Idaho state line near Malta, Idaho | US-530 near Echo | 196.680 | 316.526 | 1920s | 1962 | Legislative designation for modern I-84, then a portion of US-30S |