List of U.S. Highways in Wyoming

	Signage for U.S. Highway 20 and U.S. Highway 191
Highway names
US Highways	U.S. Highway X (US X)
System links
	Wyoming State Highway System; Interstate; US; State;

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	—	—	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 14A	103	166	US 14 in Cody	US 14 in Burgess Junction	01936-01-011936	current
US 16	544.04	875.55	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	—	—	—	—	—	—	Lincoln Highway
US 85	—	—	—	—	—	—
US 87	—	—	—	—	—	—
US 89	—	—	—	—	—	—
US 116	—	—	—	—	—	—
US 185	—	—	—	—	—	—	Replaced by US 87
US 187	—	—	—	—	—	—
US 189	—	—	—	—	—	—
US 191	—	—	—	—	—	—
US 212	—	—	—	—	—	—	Beartooth Highway
US 216	—	—	—	—	—	—
US 285	—	—	—	—	—	—
US 287	—	—	—	—	—	—
US 310	—	—	—	—	—	—
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