Wikipedia:WikiProject U.S. Roads/Utah/National Highway System
- US-6: I-15 to I-70
- US-40: I-80 to Colorado
- US-50: Nevada to I-15
- US-89: Arizona to I-70, US-6 to I-15 (via SR-73), I-15 (Farmington) to I-15 (via SR-134), US-91 to Idaho
- US-91: I-15 to US-89
- US-189: I-15 to US-40
- US-191: Arizona to I-70
- US-491: Colorado to US-191
- SR-9: I-15 to US-89
- SR-12: US-89 to SR-63
- SR-26: I-15 to US-89
- SR-28: I-70 (via US-89)) to I-15
- SR-39: I-15 to SR-203
- SR-52: I-15 to US-189
- SR-71: SR-209 to SR-186
- SR-79: I-15 to SR-203
- SR-152: SR-209 to SR-71
- SR-154: I-15 to I-80
- SR-171: SR-172 to I-215 (east)
- SR-172: SR-154 (proposed) to I-80
- SR-186: SR-71 to I-215
- SR-201: I-80 to I-15
- SR-203: US-89 to SR-39
- SR-209: 5600 West to SR-210
- SR-210: I-215 (via SR-190) to SR-209
- SR-265: I-15 to US-189
- SR-266: SR-154 to I-215 (east)
- SR-269: I-15 to SR-71