Interstate 84 in Utah

Interstate 84
Route information
Defined by Utah Code §72-4-114
Maintained by UDOT
Length: 119.77 mi[1] (192.75 km)
Existed: 1956 – present
Major junctions
West end: I-84 at Idaho state line
  I-15 near Tremonton
US-91 in Willard
I-15 in Riverdale
US-89 in Uintah
East end: I-80 near Echo
Highway system

Main route of the Interstate Highway System
Main • Auxiliary • Business

State highways in Utah
Interstate • US • State (Parks) • Scenic

← SR-83 SR-86 →

In the U.S. state of Utah, Interstate 84 heads southeast from the Idaho state line, overlapping Interstate 15 between Tremonton and Ogden and ending at Interstate 80 at Echo.

Contents

Route description

Western segment

I-84 crosses the Idaho-Utah border approximately 7 miles (11 km) from Snowville, Utah, in the Curlew Valley, located in northern Box Elder County. The road heads in a generally southeasterly direction, intersecting SR-30 which provides access to the far northwestern corner of Utah, before crossing Deep Creek and passing through Snowville. I-84 passes just north of the Hansel Mountains before crossing the North Promontory Mountains and dropping into the Blue Creek Valley and the town of Howell. I-84 intersects two more local roads before crossing West Canal, and entering Tremonton. SR-102 intersects I-84 before an interchange with I-15, becoming concurrent with I-15.[2]

Concurrency with I-15

I-15/I-84 continues southward, paralleling Union Pacific Railroad (UP) lines on the east as well as the Wellville Mountain Wilderness, and approaching an interchange with US-91 which provides access to Logan. After Logan, I-84 borders the Weber-Box Elder Canal and Wasatch-Cache National Forrest on the east, and on the west the Willard Bay Reservoir before exiting the county, and entering Weber County.[2] I-84 enters Weber County , where the UP lines split from I-15/I-84 in Pleasant View, and continues southward towards the Ogden Municipal Airport and its split from I-15 near Roy.[3]

Eastern segment

Splitting from I-15 near Roy, I-84 enters Weber County before briefly entering Davis County, and returning to Weber County. It passes by Hill Air Force Base as it starts to follow the Weber River into Morgan County and the Wasatch-Cache National Forest. Visible in Weber Canyon is Devil's Slide, an unusual rock formation just off the freeway.[4] Entering Summit County, farther up the canyon is the Thousand Mile Tree, planted by Union Pacific Railroad workers to mark 1,000 miles (1,600 km) from the railroad's origin in Omaha, Nebraska.[5] The freeway ends at Echo, a near ghost town that before served as a stopover for the railroad, at a junction with I-80. Also south of the I-80 junction is Echo Reservoir and Echo Dam.[6]

History

Interstate 84 in Utah replaced the former route of U.S. Route 30S. The highway loosely follows the path of the Oregon Trail and the First Transcontinental Railroad

Exit list

County Location Mile[1] # Destinations Notes
Box Elder 4.660 5 SR-30 west – Park Valley, Elko West end of SR-30 overlap
Snowville 7.125 7 Snowville
11.978 12 Ranch Exit
15.808 16 Ranch Exit
17.385 17 Ranch Exit
20.317 20 Blue Creek
24.457 24 Valley
Howell 26.567 26 SR-83 south – Howell, Atk
32.414 32 Ranch Exit
39.508 39 Garland, Bothwell
Bothwell Junction 40.824 40 SR-102 – Tremonton, Bothwell
42.012 41 I-15 north (SR-30 east) – Pocatello West end of I-15 overlap; east end of SR-30 overlap; no exit number westbound
See Interstate 15 (exits 379 to 340)
Weber Riverdale 81.043 I-15 south – Salt Lake City East end of I-15 overlap; westbound exit is via exit 81
81.727 81 SR-26 – Riverdale
Weber Uintah 84.594 85 Uintah, South Weber (Adams Avenue Parkway)
Davis South Weber 87.771 87 US-89 – South Ogden, Salt Lake City, Ogden Signed as exits 87A (north) and 87B (south) westbound
Morgan 92.339 92 SR-167 – Mountain Green, Huntsville Westbound exit is via exit 96
96.504 96 Stoddard, Peterson
Morgan 103.333 103 SR-66 – Morgan
106.173 106 Ranch Exit
108.272 108 Taggart
111.313 111 Croydon Former SR-158
Summit 112.739 112 Henefer (SR-86)
Henefer 115.399 115 Henefer, Echo (SR-65)
119.773 120 I-80 west – Salt Lake Eastbound exit and westbound entrance
119.773 I-80 east – Cheyenne Eastbound exit and westbound entrance

References

  1. ^ a b "Route 84". Highway Reference. Utah Department of Transportation. June 2003. http://www.udot.utah.gov/main/uconowner.gf?n=7267404455014867. Retrieved 2008-09-22. 
  2. ^ a b Utah Department of Transportation (2005). General Highway Map - Box Elder County (Map). p. 6 & 7. http://www.udot.utah.gov/main/f?p=100:pg:9812165447877388000::::V,T:,347. Retrieved 2008-09-22. 
  3. ^ Utah Department of Transportation (2005). General Highway Map - Weber County (Map). p. 1. http://www.udot.utah.gov/main/f?p=100:pg:6286208488074401830:::1:T,V:350,. Retrieved 2008-09-24. 
  4. ^ "The Devil's Slide, Weber Canyon, Utah". California Digital Library, Board of Regents, University of California. Featuring content donated by Bancroft Library. http://content.cdlib.org/ark:/13030/tf8b69p56f/. Retrieved 2007-01-06. 
  5. ^ F.V. Hayden and Daniel M. Davis. "Sun Pictures of Rocky Mountain Scenery, Photographic Collection". Utah State University Special Collections and Archives. http://library.usu.edu/Specol/photoarchive/p0019/p00190019.html. Retrieved 2007-01-06. 
  6. ^ Utah Department of Transportation (2007) (PDF). Salt Lake City, Ogden, Provo & Vicinity (Map). http://www.udot.utah.gov/main/uconowner.gf?n=41979620535238803. Retrieved 2008-08-16. 
  7. ^ Department of Agriculture - Bureau of Public Roads (1926). United States System of Highways (Map). http://en.wikipedia.org/wiki/Image:1926us.jpg. Retrieved 2008-09-22. 
  8. ^ Rand McNally (1927). Rand McNally Junior Auto Road Map Utah (Map). 1:1,700,000. http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~33766~1171482:Rand-McNally-junior-auto-road-map-U. Retrieved 2008-09-22. 
  9. ^ "Interstate 80 to become 84". Deseret News. 1977-08-13. pp. A3. http://news.google.com/newspapers?id=GAIPAAAAIBAJ&sjid=b38DAAAAIBAJ&pg=4293,3376681&dq=interstate-84+80n+utah. Retrieved 2008-09-21. 
  10. ^ a b "Route 84". Highway Resolutions. Utah Department of Transportation. November 2007. http://www.udot.utah.gov/main/uconowner.gf?n=200609181109591. Retrieved 2008-09-21. 
Interstate 84
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