Wyoming Highway 28

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Wyoming Highway 28 marker

Wyoming Highway 28
South Pass Highway
Route information
Maintained by WYDOT
Length: 96.46 mi[1] (155.24 km)
Major junctions
West end: WYO 372 near Farson
  US 191 in Farson
East end: US 287 / WYO 789 south of Lander
Counties: Sweetwater, Sublette, Fremont
Highway system

State highways in Wyoming

WYO 26 US 30

Wyoming Highway 28 (WYO 28) is a 96.5-mile (155.3 km) long Wyoming state highway known as the South Pass Highway. It travels from its split from Wyoming Highway 372 near the Seedskadee National Wildlife Refuge, across the high plains and over South Pass until its junction with U.S. Route 287 8 miles (13 km) south of Lander. [2]

Route description[edit]

15 miles (24 km) south of the town of Fontenelle, Wyoming Highway 372 splits, with Highway 28 heading Northeast. It crosses the Green River after 3 miles (4.8 km). After 25 miles (40 km), it intersects U.S. Route 191 at the small town of Farson. After 5 miles (8.0 km), it spurs north to "Farson Little Sandy Road", leading to Big Sandy. It continues northeast out of Sweetwater County, cuts through a small corner of Sublette County and enters Fremont County. It crosses the Continental Divide at South Pass, one of the lowest passes on the continental divide at 7,550 feet (2,300 m). South Pass was used by settlers on the Oregon Trail. From there, there are spurs to the south leading to the South Pass Historic Site and Atlantic City. From there it curves north, travelling about 17 miles (27 km) until its merge with US 287, near Lander.


Highway 28 generally follows the route followed by settlers on the Oregon Trail.[2]

Major intersections[edit]

County Location mi km Destinations Notes
Sweetwater Seedskadee National
Wildlife Refuge
0.00 0.00 WYO 372 – Fontenelle, James Town Western terminus
FarsonEden town line 28.82 46.38 US 191 – Farson, Eden
No major junctions
Fremont South Pass Continental Divide
  96.46 155.24 US 287 / WYO 789 – Jeffrey City, Lander Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


External links[edit]