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List of U.S. Highways in Utah

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U.S. Route 6 marker
U.S. Route 89 marker
U.S. Route 191 marker
Highway markers for U.S. Highways in Utah
Highway names
US HighwaysUS Highway nn (US nn)
System links
  • Utah State Highway System

The U.S. Highways in Utah are maintained by the Utah Department of Transportation (UDOT). The United States Numbered Highway System is a nationwide system with only a small portion of its routes entering Utah. Originally, the State Road Commission of Utah, created on March 23, 1909, was responsible for maintenance, but these duties were rolled into the new UDOT in 1975.[1] There are 2,061.979 miles (3,318.434 km) of U.S. Highways in the state. The longest is U.S. Route 89 at 502.577 miles (808.819 km) and the shortest is U.S. Route 89A at 2.94 miles (4.73 km). Six former U.S. Highways exist in the state of Utah; of these, five have been replaced by current interstate and U.S. Highways, while the other was replaced by a state route. The most recent change was the redesignation of U.S. Route 666 as U.S. Route 491 in 2003.[2]

Mainline routes

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Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 6 373.963 601.835 US 6 / US 50 at the Nevada state line towards Ely I-70 / US 6 / US 50 at the Colorado state line towards Grand Junction 01936-01-011936 current US 6 enters Utah through Delta, joined with US 50 until just after Delta and crosses across the middle of the state before joining I-70 and US 50 again to enter into Colorado, east of Cisco.[3][4]
US 30S — — Idaho state line near Snowville Wyoming state line towards Evanston 01926-01-011926 01970-01-01c. 1970 Replaced by I-80 / I-84 / US 189[5]
US 40 174.624 281.030 I-80 at Silver Creek Junction near Park City US 40 at the Colorado state line towards Dinosaur 01926-01-011926 current US 40 starts at I-80 outside of Park City and heads through Heber City and Duchense before passing into Colorado near the Dinosaur National Monument.[6][7]
US 50 334.920 539.001 US 6 / US 50 at the Nevada state line towards Ely I-70 / US 6 / US 50 at the Colorado state line towards Grand Junction 01926-01-011926 current US 50 enters Utah joined with US 6 until just outside Delta, crossing the midsection of Utah, before joining with I-70 for its final 174 miles (280 km) to Colorado.[8][9]
US 89 502.577 808.819 US 89 at the Arizona state line towards Page US 89 at the Idaho state line at Bear Lake 01926-01-011926 current US 89 is the longest U.S. Highway in Utah, going from the Arizona border to Idaho, paralleling I-15 for a good majority of the route, but it does split off at the north and south end of the route.[10][11]
US 91 45.271 72.857 I-15 south of Brigham City US 91 at the Idaho state line towards Preston 01926-01-011926 current The highway currently serves as a connection between the Cache Valley area of Utah and Idaho to the Salt Lake and Pocatello population centers.[12][13]
US 160 — — US 6 / US 50 at Crescent Junction Colorado state line near Monticello — 01970-01-011970 Replaced by US 163/US 666 (modern US 191 and US 491)[14]
US 163 41.405 66.635 US 163 at the Arizona state line in Monument Valley US 191 at Bluff 01970-01-011970 current US 163 enters Utah in Monument Valley in the southeastern part of the state, across the San Juan River towards Bluff.[15][16]
US 189 29.216 47.019 I-15 south of Provo I-80 / US 189 at the Wyoming state line towards Evanston 01938-01-011938 current From I-15 in Provo northeast through Provo Canyon to Heber City. From this point it overlaps US 40 until it intersects I-80, at which point it overlaps I-80 until the Wyoming border near Evanston.[17][18]
US 189 — — US 91 in Nephi US 89 at Pigeon Hollow Junction — 01938-01-011938 Replaced by SR-132[19]
US 191 404.168 650.445 US 191 at the Arizona state line towards Ganado US 191 at the Wyoming state line towards Rock Springs 01981-01-011981 current US 191 enters Utah in the southeastern part of the state and travels northward through Moab, veers to the northwest to Price, and back to the northeast through Vernal, before exiting into Wyoming near Flaming Gorge Reservoir.[20][21]
US 450 — — US 6 / US 50 at Crescent Junction Colorado state line near Monticello 01926-01-011926 — Replaced by US 160 (modern US 191 and US 491)[22]
US 491 17.020 27.391 US 191 in Monticello US 491 at the Colorado state line towards Dove Creek 02003-01-012003 current From US 191 in Monticello eastward until it exits the state into Colorado.[23][24]
US 530 — — US 40 near Park City US 30S near Echo 01926-01-011926 — Replaced by US 189 (modern I-80)[22]
US 666 — — US 191 in Monticello US 666 at the Colorado state line towards Dove Creek 01970-01-011970 02003-01-012003 Replaced by US 491[2]
  •       Former
  • US 50 descending from Skull Rock Pass in western Utah
    US 50 descending from Skull Rock Pass in western Utah
  • US 89 near Long Valley Junction, a Utah Scenic Byway
    US 89 near Long Valley Junction, a Utah Scenic Byway

Special routes

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Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes



US 6 Bus. 		3.43 5.52 US 6/US 191 in Helper US 6/US 191 in Spring Glenn (south of Helper) 01953-01-011953 current Serves Helper, former US 6 through downtown. Currently co-signed US 191 Business. Was previously cosigned US 50 Business

US 6 Bus. 		2.942 4.735 US 6/US 191 in Price US 6/US 191 in Price 01975-01-011975 current Cosigned SR-55; former routing of US 6/50

US 40 Alt. 		— — State Street mouth of Parley's Canyon 01964-01-011964 01974-01-011974 Served Salt Lake City along modern SR 186/Foothill Blvd. Was signed US 40 ALt in 1964, signed mainline US 40 in 1965, reverted back to Alternate in the 1970s.

US 40 Alt. 		— — Kimball Junction east of Park City 01953-01-011953 01969-01-011969 Served Park City

US 50 Alt. 		— — Ely, Nevada Provo 01954-01-011954 01976-01-011976 Former mainline US 50. Utah portion was entirely concurrent with other US Routes except for the portion that is modern SR 201. Most of the Nevada portion is today US 93 ALT/US 93.

Temp. US 50 		— — Colton, Utah Castle Gate 01912-01-011912[25][26] 01927-01-011927 Exited the Price River Canyon along modern US 191 near Castle Gate and returned via Emma Park Road to bypass a narrow, meandering portion of the canyon.
US 89A 2.94 4.73 US 89A at the Arizona state line towards Fredonia US 89 in Kanab 01960-01-011960 current Original routing of US 89 prior to the construction of the Glen Canyon Dam; demoted to an auxiliary route listed as SR-11 until 2008; provides access to Grand Canyon National Park from Utah[10][27]
US 89A — — Corner of 300 West and North Temple st in Salt Lake City South Salt Lake — — Routed along 300 West in Salt Lake City. Co-signed US 91 ALT
US 89A — — North Salt Lake Farmington 01930-01-01c. 1930 — Former US 89/91, Modern SR 106

US 91 Alt. 		— — Corner of 300 West and North Temple St in Salt Lake City South Salt Lake — — Cosigned US 89 ALT, along 300 West in Salt Lake City

US 91 Alt. 		— — North Salt Lake Farmington 01930-01-01c. 1930 — Cosigned with US 89 ALT, modern SR 106

US 91 Alt. 		— — Layton Ogden — — Former US 91, modern SR 26, SR 126 and briefly SR 273

US 189 Alt. 		— — Hailstone Wanship — — Modern SR 32. Modern SR 32 has alternated designations between US 189 and US 189ALT.

US 191 Bus. 		3.43 5.52 US 6/US 191 in Helper US 6/US 191 in Spring Glenn (south of Helper) 01981-01-011981 current Serves Helper Cosigned US 6 Business, former mainline US 6/50
  •       Former

See also

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References

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  1. ^ "Utah State Archives Catalog". Archived from the original on August 11, 2011. Retrieved July 29, 2008.
  2. ^ a b Linthicum, Leslie (July 31, 2003). "It's Now U.S. 491, Not U.S. 666". Albuquerque Journal. Archived from the original on December 5, 2008. Retrieved July 29, 2008.
  3. ^ "Highway Reference - 0006 P". Utah Department of Transportation. May 1, 2008. Archived from the original (PDF) on December 28, 2017. Retrieved July 26, 2008.
  4. ^ "Utah Code §72-4-106". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  5. ^ Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: U.S. Geological Survey. OCLC 32889555. Archived from the original on April 13, 2017. Retrieved November 7, 2013 – via Wikimedia Commons.
  6. ^ "Highway Reference - 0040 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  7. ^ "Utah Code §72-4-109". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  8. ^ "Highway Reference - 0050 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  9. ^ "Utah Code §72-4-110". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  10. ^ a b "Utah Code §72-4-114". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  11. ^ "Highway Reference - 0089 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  12. ^ "Highway Reference - 0091 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  13. ^ "Utah Code §72-4-115". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  14. ^ Road Atlas of the United States (Map). National Geographic Company. 1960.
  15. ^ "Highway Reference - 0163 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  16. ^ "Utah Code §72-4-122". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  17. ^ "Highway Reference - 0189 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  18. ^ "Utah Code §72-4-124". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  19. ^ Rand McNally (1931). "Utah" (Map). Auto Road Atlas. Chicago: Rand McNally. Archived from the original on May 14, 2004.[full citation needed]
  20. ^ "Highway Reference - 0191 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  21. ^ "Utah Code §72-4-125". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  22. ^ a b Rand McNally Junior Auto Road Map Utah (Map). Rand McNally. 1927. Archived from the original on October 12, 2018. Retrieved October 11, 2018.
  23. ^ "Highway Reference - 0491 P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
  24. ^ "Utah Code §72-4-137". Utah State Legislature. Archived from the original on July 11, 2008. Retrieved July 29, 2008.
  25. ^ Carbon County News, Highway Commission Approves Price Route, May 9, 1912, p. 1
  26. ^ Carbon County News, Price River Route for State Highway, August 15, 1912, p. 1
  27. ^ "Highway Reference - 089A P" (PDF). Utah Department of Transportation. May 1, 2008. Archived from the original on September 22, 2008. Retrieved July 26, 2008.
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