U.S. Route 14 in Wyoming

U.S. Highway 14 marker

U.S. Highway 14

Map
US 14 highlighted in red and US 14A in blue
Route information
Maintained by WYDOT
Length449.21 mi (722.93 km)
Existed1936–present
Major junctions
West end US 16 / US 20 at Yellowstone National Park
Major intersections
East end I-90 / US 14 at the South Dakota state line
Location
CountryUnited States
StateWyoming
CountiesPark, Big Horn, Sheridan, Campbell, Crook
Highway system
  • Wyoming State Highway System
WYO 13 WYO 14

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).