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This article is about the section of Interstate 80 in Wyoming. For the entire route, see Interstate 80.
Interstate 80
Dwight D. Eisenhower Highway (from US 101 in San Francisco to I-25 in Cheyenne) Purple Heart Trail
I-80 highlighted in red
Route information
Maintained by WYDOT
Length
402.76 mi[1] (648.18 km)
NHS
Entire route
Major junctions
West end
I-80 / US 189 at Utah state line
Major intersections
US 189 near Evanston
US 30 near Granger
US 191 in Rock Springs
US 287 in Rawlins
US 287 in Laramie
I-25 / US 87 near Cheyenne
I-180 / US 85 in Cheyenne
East end
I-80 at Nebraska state line
Location
Country
United States
State
Wyoming
Counties
Uinta, Sweetwater, Carbon, Albany, Laramie
Highway system
Interstate Highway System
Main
Auxiliary
Suffixed
Business
Future
Wyoming State Highway System
Interstate
US
State
← WYO 78
→ US 85
Interstate 80 (I-80) is a part of the Interstate Highway System that runs from San Francisco, California, to Teaneck, New Jersey. In Wyoming, the Interstate Highway runs 402.76 miles (648.18 km) from the Utah state line near Evanston east to the Nebraska state line in Pine Bluffs. I-80 connects Cheyenne, Wyoming's capital and largest city, with several smaller cities along the southern tier of Wyoming, including Evanston, Green River, Rock Springs, Rawlins, and Laramie. The highway also connects those cities with Salt Lake City to the west and Omaha to the east. In Cheyenne, I-80 intersects I-25 and has Wyoming's only auxiliary Interstate, I-180. The Interstate runs concurrently with US Highway 30 (US 30) for most of their courses in Wyoming. I-80 also has shorter concurrencies with US 189 near Evanston, US 191 near Rock Springs, and US 287 and Wyoming Highway 789 (WYO 789) near Rawlins. The Interstate has business loops through all six cities along its course as well as a loop serving Fort Bridger and Lyman east of Evanston.
^"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. December 31, 2021. Retrieved June 11, 2022.
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Global Information
I-80 / US 189 at Utah state line
