 Wyoming Highway 28 | ||||
|---|---|---|---|---|
| South Pass Highway | ||||
 WYO 28 highlighted in red | ||||
| Route information | ||||
| Maintained byWYDOT | ||||
| Length | 96.416 mi[1] (155.167 km) | |||
| History | 1986: Extended south fromUS 191 toWYO 372 | |||
| Major junctions | ||||
| West end |  WYO 372 southeast ofFontenelle | |||
| Major intersections |  US 191 inFarson | |||
| East end |   US 287 /WYO 789 south-southeast ofLander | |||
| Location | ||||
| Country | United States | |||
| State | Wyoming | |||
| Counties | Sweetwater,Sublette,Fremont | |||
| Highway system | ||||
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Wyoming Highway 28 (WYO 28), also known as theSouth Pass Highway, is a 96.46-mile (155.24 km)state highway inSweetwater,Sublette, andFremont counties inWyoming, United States, that connectsWyoming Highway 372 (WYO 372), southeast ofFontenelle, withU.S. Route 287 /Wyoming Highway 789 (US 287 / WYO 789), south-southeast ofLander.
WYO 28 begins at aT intersection with WYO 372 (La Barge Road) in Sweetwater County, just north of a western arm of theSeedskadee National Wildlife Refuge (Seedskadee NWR) and roughly 14 miles (23 km) southeast of thecensus-designated place (CDP) ofFontenelle. (WYO 372 heads north towardKemmerer andLa Barge and south through the arm of the Seedskade NWR and then on towardGreen River andRock Springs.)[2]
From its western terminus WYO 28 proceeds northwesterly as atwo lane road for its entire length. After approximately 2.8 miles (4.5 km), WYO 28 enters the Seedskadee NWR, crosses theGreen River, and then leaves the Seedskadee NWR. At about 28.82 miles (46.38 km) along its route, and just after crossing theBig Sandy River, WY0 28 has its junction withU.S. Route 191 (US 191) on the southern border of the CDP ofFarson inEden Valley.[3][4] (US 191 heads north towardPinedale andJackson and south towardEden andRock Springs.)[2][5]
East of its junction with US 191, WYO 28 very briefly passes through the southern edge of Farson before continuing roughly 2.4 miles (3.9 km) along the southern border of the CDP, with themeanders ofLittle Sandy Creek[6] to the south. As WYO 28 crosses the Little Sandy Creek, it leaves Farson CR 108 and continues for about 14.5 miles (23.3 km) before leaving Sweetwater County.[2][5]
Upon leaving Sweetwater County, WWO 28 enters Sublette County. With the exception of a singlepaved turnoff, there are only a few unnamed dirt side roads along the 3.75 miles (6.04 km) section of WYO 28 that are within Sublette County. The nearly 1,900-foot (580 m) turnoff includes a historical marker and gravestone.[7] Upon leaving Sublette County, WYO 28 enters Fremont County.
After 5 miles (8.0 km), it spurs north to Farson Little Sandy Road, leading toBig Sandy.[8] It continues northeast out ofSweetwater County, cuts through a small corner ofSublette County and entersFremont County.[9] It crosses theContinental Divide atSouth 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 andAtlantic City. From there it curves north, travelling about 17 miles (27 km) until its merge with US 287, near Lander.[citation needed][2]
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WYO 28 generally follows the route followed by settlers on theOregon Trail.[10] A section of the highway 17 miles (27 km) due south of Lander and just north of theunincorporated community ofAtlantic City was realigned around a newU.S. Steel mine in 1962. (The mine was known as the Columbia-Geneva Mines.)[11] The realignment created sharp and narrow turns. Although the mine closed in 1983, the section was not removed until the original alignment was restored in 2005.[12]
The western end of WYO 28 was originally at the formerU.S. Route 287 (now US 191) in Farson,[7] but was extended southwest to the Fontenelle area in 1986 in response to increasedsoda ash shipments by truck, which required a paved road.[13] The project was led by theFederal Highway Administration, which was granted the necessaryright-of-way by theBureau of Land Management (BLM); the agreement between the two federal agencies required that any futurewildlife fence on the corridor be approved by the BLM.[14] A 15-mile (24 km) was proposed in 1991 to redirect herds ofSublette antelopes as well as livestock which had caused vehicular accidents since the extension opened. The BLM initially approved a plan with the Wyoming Department of Transportation (WYDOT) to fence the corridor, but WYDOT later retracted the plan following public opposition and pushback from theWyoming Department of Game and Fish.[15] A series of eight warning signs was installed as an alternative to the fencing plan.[16]
 | This sectionis missing mileposts for junctions. Please helpadd them. |
Actual mileposts begin at 100 at WYO 372 and increase heading northeast to Farson, where they reset to 0 and increase continuing northeast toward Lander.
| County | Location[17] | mi[1] | km | Destinations[2] | Notes | |||
|---|---|---|---|---|---|---|---|---|
| Sweetwater | | 0.000 | 0.000 |  WYO 372 north (La Barge Rd) /California National Historic Trail /Mormon Pioneer National Historic Trail /Oregon National Historic Trail /Pony Express National Historic Trail north –Kemmerer,La Barge WYO 372 south (La Barge Rd) /California National Historic Trail /Mormon Pioneer National Historic Trail /Oregon National Historic Trail /Pony Express National Historic Trail south –Seedskade NWR,Green River,Rock Springs | Western terminus; T intersection | |||
| | 2.805 | 4.514 | Bridge over theGreen River | |||||
| |   CR 8 west (Lower Farson Cutoff Rd) –Fontenelle | T intersection | ||||||
| |  CR 8 east (Lower Farson Cutoff Rd) – WYO 28 | T intersection | ||||||
| | CR 8 west (Lower Farson Cutoff Rd) – WYO 28 | T intersection | ||||||
| | CR 8 east (Lower Farson Cutoff Rd) –Farson | T intersection | ||||||
| | 28.970 | 46.623 | Bridge over theBig Sandy River | |||||
| Farson | 28.217 | 45.411 |  US 191 north –Pinedale,Jackson US 191 south –Eden,Rock Springs | Former southern terminus (pre-1986) | ||||
  CR 109 north (Farson Station Rd) – CR 100 | T intersection | |||||||
 CR 105 north (Farson 1st East Rd) – CR 100, CR 101, CR 102 | T intersection | |||||||
 CR 106 north (Farson 2nd East Rd) – 101, CR 102, CR 103, CR 104, CR 108 | T intersection | |||||||
| 31.448 | 50.611 | Bridge overLittle Sandy Creek | ||||||
| | 32.617 | 52.492 |  CR 108 north (Farson 4th East Rd / Farson Little Sandy Rd / Eden Reservor Rd) –Farson, CR 106,WYO 353 | T intersection | ||||
| |  CR 102 west (Farson 3rd North Rd) – CR 108, CR 107, CR 106, CR 105 | T intersection | ||||||
| | 34.384 | 55.336 | Bridge overEden Canal | |||||
| |  CR 21 east (Bar X Rd) – CR 83, CR 74, CR 15, CR 20, CR 82,I-80 | T intersection | ||||||
| Sublette | No major junctions | |||||||
| Fremont | | Continental Divide atSouth Pass (elevation 7,550 feet [2,300 m]) | ||||||
| |  CR 446 north (Lander Cutoff Rd) –Boulder  CR 445 south (Oregon Buttes Rd) – Sweetwater County CR 74 | |||||||
| | 62.322 | 100.298 | Bridge over theSweetwater River | |||||
| | 62.527 | 100.627 | SweetwaterRest Area | |||||
| | 66.317 | 106.727 | Unnamed dirt road north CR 479 east (South Pass Rd) –South Pass City, WYO 28 | |||||
| | FR 313 north – FR 300 CR 479 west (South Pass Rd) –South Pass City, WYO 28 | |||||||
| | FR 300 north – FR 313,WYO 131,Lander | T intersection | ||||||
| | 72.917 | 117.349 |  CR 315 east (West Atlantic City Rd / Winter Rd) | T intersection | ||||
| | 75.137 | 120.921 | Skyline Rd north Dickinson Ave / WYO 28 Loop east – WYDOT maintenance facility & CR 237,Atlantic City, WYO 28 | Dickinson Ave is former routing of WYO 28 | ||||
| | 75.137 | 120.921 | Dickinson Ave / WYO 28 Loop west – WYDOT maintenance facility & CR 237,Atlantic City, WYO 28 | T intersection Dickinson Ave is former routing of WYO 28 | ||||
| | 80.316 | 129.256 | Bridge over theBeaver Creek | |||||
| | 87.717 | 141.167 |  CR 235 north (Red Canyon Rd) – WYO 28 | T intersection | ||||
| | 95.434 | 153.586 | Bridge over theLittle Popo Agie River | |||||
| | 95.887 | 154.315 | CR 235 south (Red Canyon Rd) – WYO 28 | T intersection | ||||
| | 96.416 | 155.167 | US 287 north /WYO 789 north /California National Historic Trail /Mormon Pioneer National Historic Trail /Oregon National Historic Trail /Pony Express National Historic Trail –Muddy Gap,Rawlins Calvert Ln west | Eastern terminus; southbound US 287 / WYO 789 heads east from the intersection | ||||
| US 287 south /WYO 789 south /California National Historic Trail /Mormon Pioneer National Historic Trail /Oregon National Historic Trail /Pony Express National Historic Trail –Lander,Yellowstone National Park | Continuation north from eastern terminus | |||||||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | ||||||||
