Interstate 90 in Wyoming

Interstate 90
Interstate 90
	I-90 highlighted in red
Route information
	Maintained by WYDOT
Length	208.80 mi (336.03 km)
NHS	Entire route
Major junctions
West end	I-90 / US 87 at Montana state line
	US 14 in Ranchester; ; US 14 / US 87 / I-90 BL / US 14 Bus. in Sheridan; US 87 near Banner; I-25 / US 87 in Buffalo; US 16 / I-90 BL in Buffalo; US 14 / US 16 / I-90 BL in Gillette; US 14 / US 16 in Moorcroft; US 14 / I-90 BL in Sundance;
East end	I-90 / US 14 at South Dakota state line
Location
Country	United States
State	Wyoming
Counties	Sheridan, Johnson, Campbell, Crook
Highway system
	Interstate Highway System; Main; Auxiliary; Suffixed; Business; Future; Wyoming State Highway System; Interstate; US; State;

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.^[2]

^ 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.
^ "WYDOT Travel Information Service (Cheyenne)". wyoroad.info. Wyoming Department of Transportation. Retrieved September 17, 2022.

[fhwa_log-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.

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