U.S. Route 530 (Utah)
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U.S. Route 189
Length:	322 mi (518 km)
Formed:	1939
South end:	I-15 in Provo, UT
Major junctions:	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
North end:	US 26 / US 89 / US 191 at Jackson Hole, WY
United States Numbered Highways Spur of US 89 List - Bannered - Divided - Replaced

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.

Route description

Utah

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 legislature¹. The highway exits Provo Canyon near Heber City, Utah. The Provo Canyon segment of US-189 was upgraded to 4 lanes in 2007.

At Heber City US-189 meets U.S. Route 40. The Utah Department of Transportation has placed an end sign at the junction of US-40 in Heber City, however the highway continues into Wyoming. The implied (but unsigned) connection to the Wyoming state line is via US-40 to I-80.²

Prior to the construction of the Jordanelle Reservoir the route was signed past the junction at Heber City. The highway continued north concurrent with the former alignment of US-40 that is now under water. US-40 and 189 separated at a junction 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, with the exception of the disputed concurrency with US-40 and Interstate 80, is defined at Utah Code Annotated § 72-14-124(4).⁴

Wyoming

US 189 enters Wyoming co-routed with I-80. The routes separate east of Evanston where US 189 proceeds north towards Jackson Hole. Just south of Jackson Hole US 189 rejoins the route of its parent U.S. Highway 89

History

US-189 replaced former US-530 from near Park City, Utah to Echo.

US 189 absorbed a portion of former US 30S from Echo, Utah to near Evanston, Wyoming.

In 1938, what is now US 189 was cobbled together from several routes. Previously 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

The original routing of US-189 between Heber City and Wanship is now signed State Route 32, however at one time US-189 was routed similar to US-40 and I-80 between these cities. Nearly all of the route between Park City and Evanston was once part of former US-30S or one of its associated routes. As portions of I-80 were complete, US-189 was moved to the freeway alignment.

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

Major intersections

County	Location	Mile78	Junction	Notes
Utah	Provo	0.000	I-15 – Salt Lake City, Saint George
		1.633	US-89 – Springville, Orem
		3.434	SR-265 (University Parkway) – Orem, Brigham Young University
		7.425	SR-52 – Orem
		10.657	View area Bridal Veil Falls
		14.300	SR-92 (Alpine Loop Scenic Byway) – Sundance
Wasatch		19.423	SR-314 – Deer Creek Reservoir
		24.887	SR-113 – Midway
	Heber City	28.890	US-40 – Duchesne, Vernal	South end of overlap with US-40
Summit County			SR-32 north – Francis, Kamas	SR-32 is former routing of US-189
			SR-248 – Park City, Kamas
		46.835	I-80 – Salt Lake City, Cheyenne	North end of overlap with US-40. South end of overlap with I-80
	Wanship		SR-32 south – Kamas	SR-32 is former route of US-189
	Coalville		SR-280 – Coalville
	Echo		I-84 west – Ogden
		96.639	Utah/Wyoming State Line
Uinta	Evanston	100	US 189 Bus. – Evanston	Exit 3
		102	WYO 150 – Mountain View	Exit 5
		103	US 189 Bus. – Evanston	Exit 6
		115	I-80 – Cheyenne	Exit 18, North end of overlap with I-80
		126	WYO 412 south – Carter
Lincoln	Kemmerer	147	US 30 east – Rock Springs	South end of overlap with US 30
		152	US 30 west – Bear Lake, Montpelier, Idaho	North end of overlap with US 30
		153	WYO 233 north – Lake Viva Naughton
		172	WYO 240 south – Granger
		176	WYO 372 east – Fontenelle
	La Barge	200	WYO 235
Sublette	Big Piney	221	WYO 350 west
	Marbleton	224	WYO 351 east – Boulder
	Daniel	246	US 191 south / WYO 354 west – Rock Springs	South end of overlap with US 191
Teton	Hoback Junction	299	US 26 / US 89 – Alpine	South end of overlap with US 26, US 89
	Jackson, Wyoming	322	Route Ends	North end of overlap with US 26, US 89, US 191

References

Browse numbered routes
< SR-186	UT		SR-190 >
< WYO 175	WY		WYO 190 >