List of U.S. Highways in Wyoming

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.

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

List

Number	Length (mi)	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
US 12	—	—	US 12 at Montana state line	US 12 at South Dakota state line	—	—	US 12 originally went through Wyoming but does not
US 14	449.21	722.93	Yellowstone National Park	I-90 / US 14 at the South Dakota line	01936-01-011936	current
US 16	471	758	Yellowstone National Park	US 16 at the South Dakota line	—	—
US 18	100	160	I-25 / US 20 / US 26 / US 87 in Orin	US 18 at the South Dakota line	01926-01-011926	current
US 20	433	697	Yellowstone National Park	US 20 at the Nebraska line	01926-01-011926	current
US 26	454	731	US 26 at the Idaho line	US 26 at the Nebraska line	01926-01-011926	current
US 30	454.37	731.24	US 30 at the Idaho line	US 30 at the Nebraska line	—	—	Lincoln Highway
US 85	256	412	US 85 at the Colorado line	US 85 at the South Dakota line	—	—
US 87	—	—	I-25/US 87 at the Colorado line	I-90/US 87 at the Montana line	—	—
US 89	—	—	—	—	—	—
US 116	—	—	—	—	—	—
US 185	—	—	—	—	—	—	Replaced by US 87
US 187	—	—	—	—	—	—
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	181.14	291.52	US 191 at the Utah line	US 191 at the Montana line	01926-01-011926	current
US 212	—	—	US 212 at the Montana line	US 212 at the Montana line	—	—	Beartooth Highway
US 216	—	—	—	—	—	—
US 285	—	—	—	—	—	—
US 287	—	—	US 287 at the Colorado state line	Yellowstone National Park in Teton County	—	—
US 310	47.93	77.14	US 14/US 16/US 20/WYO 789 in Greybull	US 310 at the Montana line	—	—
US 312	—	—	—	—	—	—
US 320	—	—	—	—	—	—
US 420	—	—	—	—	—	—
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 287 Bus.	—	—	—	—	—	—	Serves Rawlins
US 287 Byp.	—	—	—	—	—	—	Serves Rawlins
Former

See also

• U.S. Roads portal