U.S. Route 189

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U.S. Route 189 marker

U.S. Route 189
Route information
Auxiliary route of US 89
Length322 mi (518 km)
Major junctions
South end I-15 in Provo, UT
  US-89 in Provo, UT

US-40 in Heber City, UT
I-80 near Park City, UT
I-84 in Echo, UT
I-80 near Evanston, WY
US 30 in Kemmerer, WY
US 191 near Daniel, WY

US 26 / US 89 in Hoback, WY
North end US 26 / US 89 / US 191 at Jackson Hole, WY
StatesUtah, Wyoming
CountiesUT: Utah, Wasatch, Summit
WY: Uinta, Lincoln, Sublette, Teton
Highway system

U.S. Route 189 is a spur of U.S. Route 89. It currently runs for 322 miles (518 km) from Provo, Utah at Interstate 15 to Jackson, Wyoming. The highway was not part of the original 1926 U.S. Highway system. The highway was created in the 1930s, absorbing former U.S. Route 530 and a portion of U.S. Route 30S. The portion through Provo Canyon (between Provo and Heber City, Utah) has been designated the Provo Canyon Scenic Byway by the state of Utah.

Route description[edit]


Provo Canyon, US-189 is visible in the bottom of the photo

US-189 begins in Provo where it is known as University Avenue, referring to Brigham Young University. The highway then winds up Provo Canyon passing by Deer Creek Reservoir and paralleling the route of the Heber Creeper. The portion in Provo Canyon is designated the Provo Canyon Scenic Byway by the state legislature.[1] The highway exits Provo Canyon near Heber City, Utah.

At Heber City US-189 meets U.S. Route 40 and is co-signed with Route 40 all the way to its junction with I-80.[2]

Prior to the construction of the Jordanelle Reservoir, the highway continued north concurrent with the former alignment of US-40 that is now under water. US-40 and 189 separated at Hailstone, also now under the lake. US-189 emerged from the lake shore along the route now signed State Route 32. SR-32 and former US-189 join I-80 in Wanship. Prior to the completion of Interstate 80 in eastern Utah US-189 formed the main streets of Coalville and other communities now bypassed by I-80.[3]

The Utah section of US-189 is defined in Utah Code Annotated § 72-4-124(2).[4] The Utah Code does not contain the concurrent alignment along US-40 and I-80, but the concurrent portion is included in Utah Department of Transportation maps of the area.


US 189 enters Wyoming from the west co-routed with Interstate 80. The routes separate east of Evanston, where US 189 proceeds north to the Jackson Hole area. At Hoback Junction, south of Jackson, US 189 rejoins its parent route, US 89.


U.S. Route 530
LocationSilver Creek JunctionEcho

There was a US-189 in the initial 1926 plan for U.S. Highways, which ran from Nephi to Pigeon Hollow Junction. This route is currently the eastern half of State Route 132.

In 1938, a second iteration of US 189 was created using several state routes. The portion from Provo to Heber City in Utah was numbered State Route 7. Although signed US-189 starting in 1938 this road retained the SR-7 designation until 1977.[5]

US-189 replaced US-530, designated in 1926, between the modern junctions of I-80 with US-40 at Silver Creek Junction and I-84 at Echo. Between Echo and Evanston, Wyoming US-189 was originally concurrent with US-30S. As portions of I-80 were complete, US-189 was moved from the old US-30S alignment to the freeway alignment.

Prior to the construction of the Jordanelle Reservoir, the US-189 designation alternated between two routes between Hailstone and Wanship. For most of this era, US-189 was routed along what is now State Route 32 via Kamas. However, there are some years the official Utah Highway Map shows the road through Kamas designated as US-189 Alternate, with the main route of US-189 concurrent with the routes of US-40 and what is now I-80.

In 1985 the Utah Department of Transportation (UDOT) began plans to relocate US-40 and US-189 to prepare for the construction of the Jordanelle Reservoir. As late as 1989, UDOT still intended move US-189 to an alignment on the northern shore of the proposed reservoir. On January 18, 1990 the Federal Highway Administration sent a letter to UDOT recommending that US-189 not be moved to this new alignment. The stated reason was this new routing would result in traveling 15 miles (24 km) "out-of-direction". AASHTO agreed, and authorized a change of plan for the route of US-189 to run concurrent with US-40. UDOT agreed, and this new road was instead signed as extension of State Route 248. The portion of the former route of US-189 not submerged by the new lake was designated State Route 32 after months of negotiations with county officials.[6]

However, although US-189 was now officially concurrent with US-40 between Heber City and Silver Creek Junction, this segment was signed only as US-40, and an "END US-189" sign was posted in Heber City. This lasted until late 2017, when the end signs were removed and US-189 signs were added to the US-40 concurrency. US-189 remains unsigned on the I-80 concurrency between Silver Creek Junction and the Wyoming state line.[2]

Major intersections[edit]

UtahUtahProvo0.0000.000 I-15 / Lakeview Parkway / University Avenue to 1860 South – Salt Lake City, Las VegasSouthern terminus
1.6332.628 US-89 – Springville, Orem
3.4345.526 SR-265 (University Parkway) – Brigham Young University
7.42511.949 SR-52 to I-15 – OremPartial interchange
10.65717.151View areaNunns View; southbound exit and entrance only
14.30023.014 SR-92 (Alpine Loop Scenic Byway) – Sundance
Wasatch19.42331.258 SR-314 – Deer Creek Reservoir
24.88740.052 SR-113 – Charleston, Midway
Heber City28.89046.494 US-40 – Duchesne, VernalSouthern end of overlap with US-40
29.82948.005 SR-113 (100 South)
Summit33.58754.053 SR-32 north – Francis, KamasFormer US-189 north
33.80254.399South end of freeway
38.58962.1038Mayflower (SR-319)Exit numbers follow US-40
42.83768.9394 SR-248 – Park City, Kamas
45.52673.2672Silver Summit
Silver Creek Junction46.83575.374 US-40 west – Salt Lake CityWestern end of US-40 overlap; exit 1 on US-40; northbound left exit and southbound entrance
I-80 west / Silver Creek RoadWestern end of I-80 overlap; exit 146 on I-80
50.68381.566150Tollgate PromontoryExit numbers follow I-80
Wanship54.93188.403155 SR-32 south – Wanship, KamasSR-32 is former route of US-189
Coalville62.551100.666162Coalville (SR-280)
Echo Junction67.283108.281168 I-84 west – OgdenExits 120A-B on I-84
78.662126.594178EmoryWestbound exit and eastbound entrance
84.085135.322185Castle Rock
87.726141.181187Ranch Exit
Utah–Wyoming line
I-80 Bus. / US 189 Bus. – Evanston
5.2638.4705 WYO 150 – Mountain View
I-80 Bus. / US 189 Bus. – Evanston
18.29329.440 I-80 – LymanNorthern end of I-80 concurrency; exit 18 on I-80
Lincoln21.41034.456 WYO 412 south – Carter
US 30 east / US 30 Byp. west – Rock Springs, Port of Entry, Cokeville
Interchange; southern end of overlap with US 30; exit 54 on US 30 Byp.
37.28059.996 US 30 west – Bear Lake, Montpelier, IdahoNorthern end of overlap with US 30
38.07161.269 WYO 233 north – Lake Viva Naughton
57.49092.521 WYO 240 south – Granger
61.39098.798 WYO 372 east – Fontenelle
La Barge84.874136.591 WYO 235
SubletteBig Piney105.943170.499 WYO 350 west
Marbleton109.384176.036 WYO 351 east – Boulder
Daniel131.448211.545 US 191 south – Rock SpringsSouthern end of overlap with US 191
131.730211.999 WYO 354 west
TetonHoback Junction184.656297.175 US 26 west / US 89 south – Alpine JunctionSouthern end of overlap with US 26/US 89
188.596303.516 WYO 391 west
Jackson196.391316.061 WYO 22 west – Wilson, Teton Village
197.806318.338 US 26 east / US 89 / US 191 north (Cache Street)Northern terminus; north end of US 26/US 89/US 191 concurrency; road continues east as Broadway Avenue
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ "Provo Canyon Scenic Byway". Utah Office of Tourism. Retrieved 2007-10-13.
  2. ^ a b Dale Sanderson. "US-189 endpoint photos". Retrieved 2019-05-19.
  3. ^ Dan Stober. "Utah Highways". Retrieved 2007-10-13.
  4. ^ "Utah Revised Code". State of Utah. Retrieved 2009-07-06.
  5. ^ "Highway Resolution Route 7". Utah Department of Transportation. Retrieved 2008-03-27.
  6. ^ "Highway Designation". Utah Department of Transportation. Retrieved 2008-03-27.
  7. ^ "Highway Reference Information". Utah Department of Transportation. Retrieved 2008-03-01.
  8. ^ "Maintenance Section Reference Book" (PDF). Wyoming Department of Transportation. February 15, 2013. Retrieved December 26, 2014.

External links[edit]

Browse numbered routes
WYO 175WYWYO 190