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Interstate 90 in Wyoming

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(Redirected from Interstate 90 (Wyoming)) Highway in Wyoming This article is about the section of Interstate 90 in Wyoming. For the entire route, see Interstate 90.

Interstate 90 markerInterstate 90
I-90 highlighted in red
Route information
Maintained by WYDOT
Length208.80 mi (336.03 km)
NHSEntire route
Major junctions
West end I-90 / US 87 at Montana state line
Major intersections
East end I-90 / US 14 at South Dakota state line
Location
CountryUnited States
StateWyoming
CountiesSheridan, Johnson, Campbell, Crook
Highway system
  • Wyoming State Highway System
← US 89→ WYO 90

Interstate 90 (I-90) in the US state of Wyoming traverses the northeastern corner of the state, passing through the cities and communities of Sheridan, Buffalo, and Gillette.

Route description

I-90 enters Wyoming from Montana and heads south concurrent with US Highway 87 (US 87) through hilly grasslands. It curves to the southeast and meets an interchange that serves the small community of Parkman. Continuing southeast, the highway intersects US 14 at a diamond interchange. US 14 joins I-90 and US 87, and the three routes curve east. After the freeway bends back to the southeast, it intersects the eastern end of Wyoming Highway 345 (WYO 345), then crosses the BNSF Railway (formerly the Chicago, Burlington and Quincy Railroad) and the Tongue River. The highway serves as the western terminus of WYO 339 and then passes over WYO 338 without an intersection just before it crosses Goose Creek. Just south of Goose Creek, US 14 and US 87 split off to the south of I-90 via a trumpet interchange. This road is also signed as a I-90 Business (I-90 Bus.).

View of south Sheridan from I-90

The freeway turns due south and skirts around the eastern edge of Sheridan. It intersects WYO 336, then crosses over the BNSF Railway again, before intersecting US 14 farther south. South of Sheridan, I-90 continues to travel south roughly parallel to US 87. The highway intersects WYO 342 and Prairie Dog Creek Road at diamond interchanges before US 87 merges back into and becomes concurrent with I-90. The highway runs southwest of Lake Desmet. Here, it meets Lake Ridge Road, which leads to the lake.

Southeast of Lake Desmet, I-90/US 87 comes to a diamond interchange with Rock Creek Road. It then intersects US 87 Bus. and I-25 Bus. at an incomplete diamond interchange; only traffic heading southbound can exit, and traffic from the business loops can only access I-90 northbound. Just southeast of this interchange, I-90 meets the northern terminus of I-25. US 87 follows I-25 southbound toward Buffalo, while I-90 bends to the southeast and intersects US 16 at a diamond interchange.

Southeast of Buffalo, I-90 continues in a general southeasterly direction through hilly grasslands. The highway intersects several minor farm roads, then curves to the northeast toward Gillette. Just west of the city, the freeway turns due east. Within Gillette, I-90 comes to a diamond interchange with WYO 50 and its own business loop, then dips to the southeast and meets another diamond interchange, this one with WYO 59. I-90 then has one last exit in Gillette: a partial cloverleaf interchange with US 14, US 16, and WYO 51. The first two of those routes become concurrent with I-90 and follow it east.

I-90 westbound between Rozet and Wyodak

The freeway crosses the BNSF Railway and then turns to the east. It meets a diamond interchange with Garner Lake Road, then leaves Gillette and intersects American Road before crossing the BNSF Railway again. The highway travels east, parallel to WYO 51 and then meets Adon Road, then curves to the southeast toward Moorcroft. I-90 has two exits in Moorcroft; at the first exit, US 14 and US 16 leave I-90, and I-90's business loop begins. The highway passes over US 14 with no access and then meets its second exit in the city: the eastern terminus of its business loop. East of this exit, I-90 leaves the city.

East of Moorcroft, I-90 intersects several more minor rural roads while it bends to the northeast toward Sundance. As it nears Sundance, it shares a diamond interchange with US 14 and I-90 Bus. The route then curves to the east and enters the city, intersecting WYO 585 at a diamond interchange. I-90 then meets US 14 and the eastern terminus of I-90 Bus.; the former becomes concurrent with I-90, and the two routes head northeast, leaving Sundance. Northeast of Sundance, I-90/US 14 parallels the former alignment of the latter. The highway intersects Sundance-Moskee Road, then bends north and meets WYO 111. I-90/US 14 then has one last exit, with Sand Creek Road, before crossing into South Dakota.

Transit

Jefferson Lines provides intercity bus service along the length of I-90 in Wyoming serving Gillette, Buffalo, and Sheridan along the route.

History

During early planning of I-90, the town of Clearmont (on US 14) filed suit against the Wyoming Highway Commission for an alleged violation of a 1955 state law that required approval from voters for the construction of a bypass. The town sought an injunction to halt construction and reroute I-90 towards the town, which was 29 miles (47 km) north of the planned alignment, arguing it would be a straighter route between Sheridan and Gillette. Clearmont had previously been selected for a rerouting of US 14 and US 16 in 1957, which was seen as a precursor to a later Interstate Highway; the straighter route was also supported by business groups in Sheridan. The injunction was denied by a state district judge in 1959 and was appealed to the Wyoming Supreme Court, which ruled in favor of the state highway commission in December 1960.

Construction of I-90 in northwestern Wyoming began during the appeals process, with 58 miles (93 km) under active contracts for grading and site preparation by December 1960. The first section to open in Wyoming ran 6.9 miles (11.1 km) north of Sheridan and was completed in 1961. The bypass of Sheridan, one of the first major sections of the freeway, was opened to traffic on July 28, 1962. The longest stretch, 65 miles (105 km) between Buffalo and Gillette, was dedicated on October 14, 1962, and cost $18.4 million to construct. It was initially a two-lane limited-access road that was later widened to four lanes. The final link in the 20-mile (32 km) section between Sheridan and Buffalo was opened in December 1968.

The final Wyoming section of I-90 was opened to traffic on October 10, 1985, following four years of construction on 10 miles (16 km) between the Montana state border and Ranchester. It was also the final section of the Interstate Highway System to be completed in the state. The Ranchester section, which had been completed for three months but delayed to coincide with work across the border in Montana, was dedicated by the governors of Montana and Wyoming in a joint ceremony.

Exit list

CountyLocationmikmExitDestinationsNotes
Sheridan​0.000.00

I-90 west / US 87 north – Hardin		Continuation into Montana
​1.792.881Parkman
Ranchester9.8815.909
US 14 west – Greybull, Lovell, Ranchester, Dayton, Yellowstone National Park, Grand Teton National Park		West end of US 14 overlap
​14.6223.5314 WYO 345 – Acme
​16.3426.3016 WYO 339 – Decker
Sheridan20.9233.6720
I-90 BL east (Main Street)
23.1537.2623 WYO 336 (Fifth Street)
25.4040.8825

I-90 BL west / US 14 east (US 87 south) – Sheridan, Big Horn, Ucross		East end of US 14 / US 87 overlap
​32.9853.0833Meade Creek Road – Big Horn
​37.1659.8037Prairie Dog Creek Road
Johnson​44.6971.9244Piney Creek Road (US 87 north)West end of US 87 overlap
​47.7176.7847Shell Creek Road
​51.3682.6651Lake De Smet
​53.8386.6353Rock Creek Road
Buffalo56.3690.7056A

I-25 BL south / I-90 BL east – Buffalo		Eastbound exit and westbound entrance
56.8591.4956B

I-25 south / US 87 south – Casper		East end of US 87 overlap; I-25 to 90 east exit 300; northern terminus of I-25
58.6594.3958
I-90 BL west / US 16 – Buffalo, Ucross
​65.98106.1865Red Hills Road, Tipperary Road
​69.64112.0769Dry Creek Road
​73.01117.5073Crazy Woman Creek Road
​77.91125.3877Schoonover Road
​82.83133.3082Indian Creek Road
​88.67142.7088Powder River Road
​91.49147.2491Dead Horse Creek Road
Campbell​102.52164.99102Barber Creek Road
​106.14170.82106Kingsbury Road
​113.97183.42113Wild Horse Creek Road
​116.24187.07116Force Road
Gillette124.26199.98124




I-90 BL east / WYO 50 to US 14 west / US 16 west – Gillette
126.39203.40126 WYO 59 – Douglas
128.09206.14128


I-90 BL west / US 14 west / US 16 west – Gillette		West end of US 14/US 16 overlap
​129.10207.77129Garner Lake Road
Wyodak132.99214.03132Wyodak Road
​141.24227.30141Rozet
CrookMoorcroft153.41246.89153

US 14 east / US 16 east – Moorcroft, Newcastle		East end of US 14/US 16 overlap
154.77249.08154

To US 14 / US 16 – Moorcroft
​160.66258.56160Wind Creek Road
​165.68266.64165Pine Ridge Road – Pine Haven
​172.09276.95172Inyan Kara Road
​178.92287.94178Coal Divide Road
​185.73298.90185

I-90 BL east / US 14 to WYO 116 – Sundance
Sundance187.53301.80187 WYO 585 – Sundance, Newcastle
189.00304.17189

I-90 BL west / US 14 west – Sundance		West end of US 14 overlap
​191.92308.87191 CR 207 (Moskee Road)
​199.31320.76199 WYO 111 – Aladdin
Beulah205.90331.36205Beulah
​208.80336.03

I-90 east / US 14 east – Sturgis		Continuation into South Dakota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Business routes

Business routes are present in Sheridan (also carries US 14 Bus. and US 87 Bus.), Buffalo, Gillette, and Sundance (also part of US 14).

References

  1. Starks, Edward (January 27, 2022). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved September 17, 2022.
  2. "WYDOT Travel Information Service (Cheyenne)". wyoroad.info. Wyoming Department of Transportation. Retrieved September 17, 2022.
  3. ^ Archived copy (PDF) (PDF). Wyoming Department of Transportation. October 2004. Archived from the original (PDF) on April 13, 2014. Retrieved January 30, 2014.{{cite map}}: CS1 maint: archived copy as title (link)
  4. ^ "Interstate 90" (Map). Google Maps. Retrieved October 31, 2010.
  5. "Wyoming Route Map" (PDF). Retrieved September 30, 2023.
  6. Leeright, Bob (May 4, 1960). "Clearmont Asks Injunction to Block Highway". Casper Tribune-Herald. Associated Press. p. 2. Retrieved November 13, 2022 – via Newspapers.com.
  7. Bacon, Jack (January 4, 1957). "Angry Sheridan Group Protests Cheaper Route". Casper Morning Star. United Press International. p. 1. Retrieved November 13, 2022 – via Newspapers.com.
  8. "Injunction to Halt Highway Work Denied". Casper Tribune-Herald. Associated Press. June 16, 1958. p. 1. Retrieved November 13, 2022 – via Newspapers.com.
  9. ^ "Supreme Court Denies Block to Interstate 90". Casper Tribune-Herald. Associated Press. December 6, 1960. p. 2. Retrieved November 13, 2022 – via Newspapers.com.
  10. ^ "Wyoming, Montana officials dedicate 10-mile section of I-90 near Sheridan". Casper Star-Tribune. Associated Press. October 10, 1985. p. B1. Retrieved November 13, 2022 – via Newspapers.com.
  11. "Sheridan By-Pass Dedication Slated". Casper Tribune-Herald. Associated Press. July 27, 1962. p. 16. Retrieved November 13, 2022 – via Newspapers.com.
  12. "Del Monte Says No Funds Wasted on Buffalo Road". Casper Tribune-Herald. Associated Press. October 15, 1962. p. 18. Retrieved November 13, 2022 – via Newspapers.com.
  13. "Highway Opening Slated At Powder River Bridge". Casper Tribune-Herald. Associated Press. October 12, 1962. p. 3. Retrieved November 13, 2022 – via Newspapers.com.
  14. "Open Interstate". Casper Star-Tribune. United Press International. December 3, 1968. p. 8. Retrieved November 13, 2022 – via Newspapers.com.
  15. Thackeray, Lorna (October 10, 1985). "Governors plan Interstate 90 christening". The Billings Gazette. p. 2-B. Retrieved November 13, 2022 – via Newspapers.com.
  16. "Reference Marker Book" (PDF). Wyoming Department of Transportation. November 2004. Archived from the original (PDF) on July 17, 2011. Retrieved October 31, 2010.

External links

KML file (edit • help) Template:Attached KML/Interstate 90 in WyomingKML is from Wikidata


Interstate 90
Previous state:
Montana 		Wyoming Next state:
South Dakota
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