Route information | ||||
---|---|---|---|---|
Maintained by WYDOT | ||||
Length | 208.80 mi[1] (336.03 km) | |||
NHS | Entire route | |||
Major junctions | ||||
West end | I-90 / US 87 at Montana state line | |||
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 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]