US 14 highlighted in red and US 14A in blue | ||||
Route information | ||||
Maintained by WYDOT | ||||
Length | 449.21 mi (722.93 km) | |||
Existed | 1936–present | |||
Major junctions | ||||
West end | ![]() ![]() | |||
East end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Wyoming | |||
Counties | Park, Big Horn, Sheridan, Campbell, Crook | |||
Highway system | ||||
| ||||
|
U.S. Highway 14 (US 14) in the U.S. state of Wyoming runs east to west across the northern part of the state. The road connects South Dakota on the east with Yellowstone National Park on the west. It is mostly a two-lane surface road except for several sections that it shares with Interstate 90 (I-90).