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-13 | US-89/US-91 (1100 South) in Brigham City | I-15 (Exit 392) northwest of Plymouth | 32.841 | 52.852 | 1977 | current | Old routing of US-191 |
| SR-13 | U.S. Route 91 in Logan | Bear Lake |  |  | 1962 | 1977 | Legislative designation for US-89 through Logan Canyon |
| SR-13 | U.S. Route 91 at Cove Fort | US-89 near Joseph |  |  | 1920s | 1962 | Now part of I-70 |
| SR-14 | SR-56/SR-130 (Main Street) in Cedar City | US-89 at Long Valley Junction east of Duck Creek Village | 40.995 | 65.975 | 1920s | current |  |
| I-15 | Arizona state line near St. George | Idaho state line near Malad, Idaho | 400.592 | 644.690 | 1977 | current |  |
| SR-15 | I-15 at Harrisburg Junction (near La Verkin) | US-89 at Mount Carmel Junction | 57.075 | 91.853 | 1920s | 1977 | Renumbered to SR-9 |