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Wyoming Road Map

Written and Fact-checked by | Updated On: April 03, 2026 | 15:15 ET

Wyoming Road Map showing the state routes, US highways, interstate highways, major roads, local connecting Road, secondary Road, important local road of the Wyoming.

Wyoming Roads and Highways Map

Roads and Highways in Wyoming

Wyoming has a wide-reaching road network that supports travel across vast plains, mountain ranges, and rural regions. Major interstate highways such as I-80, I-25, and I-90 connect key cities including Cheyenne, Casper, and Gillette. U.S. and state highways extend through remote areas, linking small towns, energy-producing regions, and national parks. These roads play a crucial role in freight movement, tourism, and daily travel, ensuring reliable connectivity across Wyoming鈥檚 expansive and sparsely populated landscape.

Major Highways in Wyoming

HighwayTypeRoute DirectionConnects
I-80Interstate贰补蝉迟鈥揥别蝉迟Cheyenne, Laramie, Rock Springs
I-25Interstate狈辞谤迟丑鈥揝辞耻迟丑Cheyenne, Casper
I-90Interstate贰补蝉迟鈥揥别蝉迟Sheridan, Gillette
I-80 BusinessInterstate贰补蝉迟鈥揥别蝉迟Laramie area
US 20U.S. Highway贰补蝉迟鈥揥别蝉迟Cody, Casper
US 26U.S. Highway贰补蝉迟鈥揥别蝉迟Riverton, Casper
US 30U.S. Highway贰补蝉迟鈥揥别蝉迟Laramie, Rawlins
US 287U.S. Highway狈辞谤迟丑鈥揝辞耻迟丑Laramie, Rawlins
US 89U.S. Highway狈辞谤迟丑鈥揝辞耻迟丑Jackson, Alpine
WY 120State Highway狈辞谤迟丑鈥揝辞耻迟丑Cody region
WY 59State Highway狈辞谤迟丑鈥揝辞耻迟丑Gillette region
WY 220State Highway贰补蝉迟鈥揥别蝉迟Casper, Muddy Gap
WY 130State Highway贰补蝉迟鈥揥别蝉迟Laramie, Saratoga

Interstate Highways in Wyoming

InterstateRoute DirectionKey Cities Connected
I-25狈辞谤迟丑鈥揝辞耻迟丑Cheyenne, Casper
I-80贰补蝉迟鈥揥别蝉迟Cheyenne, Laramie, Rock Springs
I-90贰补蝉迟鈥揥别蝉迟Sheridan, Gillette
I-80 Business贰补蝉迟鈥揥别蝉迟Laramie

Road Network in Wyoming

Wyoming鈥檚 road network includes interstate highways for long-distance travel, U.S. highways connecting regional centers, and state highways serving rural and remote areas. Local roads provide access to small towns, ranches, and national parks, supporting both daily travel and tourism.

Road TypeDescriptionApprox. Length
Interstate HighwaysHigh-speed corridors910 miles
U.S. HighwaysRegional connectors3,400 miles
State HighwaysStatewide routes6,900 miles
Local RoadsCity streets35,000+ miles
Rural RoadsRemote access30,000+ miles

Wyoming Roads & Highways Facts

StateWyoming
Total Road Network76,000+ miles
Interstate Mileage910 miles
State Highway System6,900 miles
Total Lane Miles110,000+ miles
Major Interstate RoutesI-25, I-80, I-90
Key AuthorityWyoming Department of Transportation
Number of Interstates4
Major UsesEnergy, tourism
Urban Road NetworkLimited metro systems
Longest InterstateI-80
Longest U.S. HighwayUS 20