Utah State Route 190

State Route 190
	Big Cottonwood Canyon Scenic Byway
Route information
	Defined by Utah Code §72-4-124
	Maintained by UDOT
Length	19.934 mi[1] (32.081 km)
Existed	1987–present
Restrictions	Closed in winter over Guardsman Pass[2]
Major junctions
West end	I-215 in Holladay
	SR-210 in Cottonwood Heights
East end	Salt Lake County/Wasatch County line
Highway system

State Route 190 or the Big Cottonwood Canyon Scenic Byway is primarily an east and west scenic highway located in Salt Lake County, Utah that begins at I-215 and runs through Big Cottonwood Canyon including the Brighton Loop and ends at the Salt Lake and Wasatch County line.

Route description

Holladay and Cottonwood Heights

SR-190 begins at a single point urban interchange with I-215 (though the rightmost lane of the eastbound off-ramp actually leads to 3000 East instead of SR-190) and the road curves to the south as it climbs from the Knudsen's Corner lowlands near Big Cottonwood Creek to run first along the bottom of the south-facing mountainside leading up to Mount Olympus to the north and then along the west-facing mountainside just north of Big Cottonwood Canyon's mouth. The border between the cities of Holladay and Cottonwood Heights loosely follows the route until the intersection with Wasatch Boulevard. North of Wasatch Boulevard, the route passes several office buildings, the Old Mill Golf Course, and a Utah Transit Authority park-and-ride lot. South of Wasatch Boulevard (where SR-190 actually takes on the Wasatch Boulevard name) there is only a quarry to the east and the view to the valley below to the west; at the base of the cliff, but out of sight, is the old paper mill building with which the area is often identified.

The route continues south over a bridge spanning Big Cottonwood Creek and the planned final phase of the Big Cottonwood Creek multi-use trail at the mouth of the canyon, then intersects with SR-210, which continues south as Wasatch Boulevard, and Fort Union Boulevard, which heads west. Traffic following SR-190 east must turn left at this intersection. Beyond the intersection, park-and-ride lots used only for ski buses (or otherwise for the benefit of canyon visitors) and a water treatment plant are visible to the north and residential development within Cottonwood Heights city occupies the slope to the south.

Big Cottonwood Canyon

Westbound SR-190 through Big Cottonwood Canyon

Signs of urban development quickly disappear as the canyon walls get closer together. The route passes many trailheads and picnic areas within the canyon, as well as historic water- and mining-related infrastructure and a few areas of cabins, before passing Solitude Mountain Resort and looping through Brighton.

Guardsman Pass

After looping through Brighton, the route connects (with some backtracking) to a narrower mountain road across Guardsman Pass, terminating (with a non-state-maintained connection through to Park City via SR-224 and Midway/Heber City via SR-222) at the top of the pass as it enters Wasatch County. This part of the road is normally closed all winter.

History

The first piece of present SR-190 was added to the state highway system in 1933 as part of SR-152, which followed Highland Drive, 6200 South, and Big Cottonwood Canyon Road from Salt Lake City to the Uinta-Wasatch-Cache National Forest boundary in Big Cottonwood Canyon.[3] In 1941, SR-152 was extended east in the forest to Brighton,[4] and in 1945 the connection from Highland Drive to the canyon was moved south to Fort Union Boulevard.[5] In order to provide access to the new Wasatch Mountain State Park, SR-152 was extended east from Brighton in 1963, following an existing county road over Guardsman Pass to end at SR-224. Finally, in 1987, a piece in the middle of SR-152, from I-215 south and east to Wasatch Boulevard (SR-210), was removed from the state highway system. In its place was a proposed limited access road, extending 6200 South past I-215 and along Wasatch Boulevard to Big Cottonwood Canyon Road. To avoid an overlap of SR-152 on I-215, the new roadway became an extension of SR-210, and former SR-152 from Wasatch Boulevard to SR-224 became a new State Route 190.[6] To avoid the necessity of remileposting SR-210, the new connection instead became part of SR-190 in 1988, bringing that route to its maximum extent: I-215 to SR-224. As part of a trade with Wasatch County in which the state took back what is now SR-32, and had been US-189, from US-40 south of the Jordanelle Reservoir to Francis, the east end of SR-190 was cut back to the Salt Lake-Wasatch County line in 1990.[7]

Major intersections

The entire route is in Salt Lake County.

Location	mi[1]	km	Destinations[8]	Notes
Holladay	0.000	0.000	I-215	Western terminus: 40°38′13″N 111°48′28″W
Cottonwood Heights	1.830	2.945	SR-210
	19.934	32.081	County line	Eastern terminus: 40°36′24″N 111°33′18″W
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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References

"State Route 190 Highway reference". Utah Department of Transportation.
Utah Department of Transportation. "Seasonal Road Closures". Retrieved 25 February 2019.
Utah State Legislature (1933). "Chapter 30". Session Laws of Utah. (152) From Twenty-seventh South street southeasterly along Highland Drive to the forest boundary line in Big Cottonwood canyon.
Utah State Legislature (1941). "Chapter 34". Session Laws of Utah. Route 152. From Twenty-seventh South Street in Salt Lake City southeasterly via Highland Drive and Big Cottonwood Canyon to Brighton.
Utah State Legislature (1945). "Chapter 61: State Roads and Routes". Session Laws of Utah. Route 152. From Twenty-seventh South Street in Salt Lake City southeasterly via Highland Drive to Seventieth South Street, thence easterly via Big Cottonwood Canyon to Brighton.
Utah Department of Transportation, Highway Resolutions: "Route 152". (4.55 MB), updated November 2007, accessed May 2008
Utah Department of Transportation, Highway Resolutions: "Route 190". (7.57 MB), updated November 2007, accessed May 2008
"State Highway Map". Utah Department of Transportation. Retrieved 28 May 2008.

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[reference-1] "State Route 190 Highway reference". Utah Department of Transportation.

[2] Utah Department of Transportation. "Seasonal Road Closures". Retrieved 25 February 2019.

[3] Utah State Legislature (1933). "Chapter 30". Session Laws of Utah. (152) From Twenty-seventh South street southeasterly along Highland Drive to the forest boundary line in Big Cottonwood canyon.

[4] Utah State Legislature (1941). "Chapter 34". Session Laws of Utah. Route 152. From Twenty-seventh South Street in Salt Lake City southeasterly via Highland Drive and Big Cottonwood Canyon to Brighton.

[5] Utah State Legislature (1945). "Chapter 61: State Roads and Routes". Session Laws of Utah. Route 152. From Twenty-seventh South Street in Salt Lake City southeasterly via Highland Drive to Seventieth South Street, thence easterly via Big Cottonwood Canyon to Brighton.

[resolutions-152-6] Utah Department of Transportation, Highway Resolutions: "Route 152". (4.55 MB), updated November 2007, accessed May 2008

[resolutions-190-7] Utah Department of Transportation, Highway Resolutions: "Route 190". (7.57 MB), updated November 2007, accessed May 2008

[udotmap-8] "State Highway Map". Utah Department of Transportation. Retrieved 28 May 2008.