List of U.S. Highways in Wyoming

Signage for U.S. Highway 16, U.S. Highway 14A and U.S. Highway 191
Highway names
US HighwaysU.S. Highway X (US X)
System links
  • Wyoming State Highway System

The U.S. Highways in Wyoming are the segments of the United States Numbered Highway System owned and maintained by the Wyoming Department of Transportation.

List

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 12 Mammoth Hot Springs US 12 at the Montana state line US 12 was initially proposed to go through Wyoming along present-day US 212.
US 14 400.283 644.193 Yellowstone National Park I-90 / US 14 at the South Dakota line 01936-01-011936 current
US 16 418.874 674.112 Yellowstone National Park US 16 at the South Dakota line
US 18 98.727 158.886 I-25 / US 20 / US 26 / US 87 in Orin US 18 at the South Dakota line 01926-01-011926 current
US 20 434.003 698.460 Yellowstone National Park US 20 at the Nebraska line 01926-01-011926 current
US 26 475.050 764.519 US 26 at the Idaho line US 26 at the Nebraska line 01926-01-011926 current
US 30 453.936 730.539 US 30 at the Idaho line US 30 at the Nebraska line Lincoln Highway
US 85 256.585 412.934 US 85 at the Colorado line US 85 at the South Dakota line
US 87 364.147 586.038 I-25/US 87 at the Colorado line I-90/US 87 at the Montana line
US 89 155.610 250.430 US 89 at the Idaho line Yellowstone National Park
US 116 158 254 Cody Ucross 01926-01-011926 01934-01-011934 Replaced by US 14 and US 14A
US 185 124 200 Cheyenne Casper 01926-01-011926 01934-01-011934 Replaced by US 87
US 187 207.71 334.28 I-80 BL/US 30 Bus. in Rock Springs US 26/US 89/US 287 in Moran 01926-01-011926 01982-01-011982 Replaced by US 191
US 189 197.806 318.338 US 189 at the Utah line US 26/US 89/US 191 in Jackson 01939-01-011939 current
US 191 289.402 465.747 US 191 at the Utah line Yellowstone National Park 01926-01-011926 current
US 212 55.214 88.858 US 212 at the Montana line near Cooke City, MT
US 212 at the Montana line near Alzada, MT
US 212 at the Montana line near Beartooth Pass
US 212 at the South Dakota line near Colony
01926-01-011926 current Beartooth Highway (western segment)
US 216 60 97 Moorcroft US 216 at the South Dakota line 01930-01-011930 01934-01-011934 Replaced by US 16
US 285 24 39 US 285 at the Colorado state line Laramie 01926-01-011926 01936-01-011936 Replaced by US 287
US 287 462.723 744.680 US 287 at the Colorado state line Yellowstone National Park in Teton County
US 310 52.902 85.138 US 14/US 16/US 20/WYO 789 in Greybull US 310 at the Montana line
US 312 35 56 US 312 at the Montana line US 312 at the Montana line 01959-01-011959 01962-01-011962 Beartooth Highway; replaced by US 212
US 320 26 42 Shoshoni Riverton 01926-01-011926 01939-01-011939 Replaced by US 26
US 420 41 66 Deaver Cody 01926-01-011926 01933-01-011933 Replaced by US 116, which became part of US 14 one year later
US 789 Colorado state line near Baggs Montana state line near Frannie Proposed, but never commissioned as a U.S. Highway. Designation only existed as WYO 789.
  •       Former

Special routes

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 14A 103 166 US 14 in Cody US 14 in Burgess Junction 01936-01-011936 current

US 14 Bus.
Served Sheridan

US 16 Bus.
Serves Newcastle

US 16 Truck
Serves Newcastle

US 20 Alt.
Idaho-Wyoming state line Jackson

US 20 Bus.
Mountain View Casper

US 20 Byp.
Mountain View Casper

US 20 Bus.
Serves Douglas

US 20 Byp.
Served Manville

US 26 Bus.
Mountain View Casper

US 26 Byp.
Mountain View Casper

US 26 Bus.
Serves Douglas

US 30 Byp.
Kemmerer Diamondville

US 30 Bus.
Serves Green River

US 30 Bus.
Serves Rock Springs

US 30 Bus.
Serves Rawlins

US 30 Bus.
Pine Bluffs Nebraska-Wyoming state line

US 85 Alt.
Mule Creek Junction Wyoming-South Dakota state line

US 87 Bus.
Serves Cheyenne

US 87 Bus.
Serves Wheatland

US 87 Bus.
Serves Douglas

US 87 Bus.
Serves Casper

US 87 Bus.
Serves Buffalo

US 87 Bus.
Serves Sheridan

Temp. US 89
Wyoming-Utah state line Hoback

US 189 Bus.
Serves Evanston

US 191 Spur
1.315 2.116 Unsigned; serves Rock Springs

US 287 Bus.
Serves Rawlins

US 287 Byp.
Serves Rawlins
  •       Former

See also

  • U.S. Roads portal

References

  • Media related to U.S. Highways in Wyoming at Wikimedia Commons