Wyoming Highway 320 (WYO 320) is a north–south
state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in central
Platte County, Wyoming
Platte County is a county located in the U.S. state of Wyoming. As of the 2020 United States Census, the population was 8,605. Its county seat is Wheatland.
History
Platte County was created February 21, 1911 with land detached from Laramie Co ...
that connects
Interstate 25 Business (I-25 Bus.) and
U.S. Route 87 Business (US 87 Bus.) in
Wheatland to
US 26 in
Dwyer Dwyer may refer to:
Places in the United States
*Dwyer, Mississippi
*Dwyer, New Mexico
*Dwyer, Wyoming
Other uses
*Dwyer (name), a surname
*Dwyer Arena
*Dwyer Hill Road
*Dwyer Brothers Stable
*Dwyer Stadium
*Dwyer Stakes
*Monsignor Paul Dwyer Cath ...
, and was once part of the ''Yellowstone Highway''.
Route description
Wyoming Highway 320 begins its south end at
I-25 Business/
US 87 Business (9th Street/Swanson Road) in
Wheatland. From here WYO 320 heads north, intersecting East Laramie River Road at , which can take you west to
I-25
Interstate 25 (I-25) is a major Interstate Highway in the western United States. It is primarily a north–south highway, serving as the main route through New Mexico, Colorado, and Wyoming. I-25 stretches from I-10 at Las Cruces, New Mexic ...
(exit 84). Highway 320 continues north till its end at
US 26
U.S. Route 26 (US 26) is an east–west United States highway that runs from Seaside, Oregon to Ogallala, Nebraska. When the U.S. highway system was first defined, it was limited to Nebraska and Wyoming; by the 1950s, it continued into Idaho and ...
in
Dwyer Dwyer may refer to:
Places in the United States
*Dwyer, Mississippi
*Dwyer, New Mexico
*Dwyer, Wyoming
Other uses
*Dwyer (name), a surname
*Dwyer Arena
*Dwyer Hill Road
*Dwyer Brothers Stable
*Dwyer Stadium
*Dwyer Stakes
*Monsignor Paul Dwyer Cath ...
History
Wyoming Highway 320 was originally designated in
Fremont County along what is now ''
Wyoming Highway 789
Wyoming Highway 789 (WYO 789) is a state highway in the U.S. state of Wyoming. WYO 789 travels south-to-north from the Colorado state line to the Montana state line. For most of its length, it is concurrent with other routes. It w ...
'' between
Lander and
Shoshoni
The Shoshone or Shoshoni ( or ) are a Native American tribe with four large cultural/linguistic divisions:
* Eastern Shoshone: Wyoming
* Northern Shoshone: southern Idaho
* Western Shoshone: Nevada, northern Utah
* Goshute: western Utah, easter ...
between 1939 and 1950. It was originally
US 320 between 1926 and 1938 but in 1939 was recommissioned as ''Wyoming Highway 320''. In 1940, when US 287 and Wyoming Highway 287 were rerouted, Wyoming 320 was extended southwest to
Lander. WYO 320 maintained this until 1950, when US 26 was commissioned. WYO 320 lasted until 1954, when
Wyoming Highway 789
Wyoming Highway 789 (WYO 789) is a state highway in the U.S. state of Wyoming. WYO 789 travels south-to-north from the Colorado state line to the Montana state line. For most of its length, it is concurrent with other routes. It w ...
was commissioned, thereby replacing it.
Additionally, The highway that currently carries Wyoming Highway 320 was originally part of
US 87
U.S. Highway 87 (US 87) is a north–south United States highway (though it is signed east–west in New Mexico) that runs for 1,998 miles (3,215 km) from northern Montana to southern Texas, making it the longest north-south roa ...
and before that
US 185 (US 185 between Cheyenne and Casper was decommissioned and replaced with US 87 in 1936)
Between 1956 and the 1980s, as more of
Interstate 25
Interstate 25 (I-25) is a major Interstate Highway in the western United States. It is primarily a north–south highway, serving as the main route through New Mexico, Colorado, and Wyoming. I-25 stretches from I-10 at Las Cruces, New Mexic ...
was completed, the original routing of US 87 was recommissioned on the
Interstate 25
Interstate 25 (I-25) is a major Interstate Highway in the western United States. It is primarily a north–south highway, serving as the main route through New Mexico, Colorado, and Wyoming. I-25 stretches from I-10 at Las Cruces, New Mexic ...
freeway.
Major intersections
References
*Official 2003 State Highway Map of Wyoming
External links
{{Attached KML, display=inline,title
Wyoming State RoutesWYO 320 - I-25 BUS/US 87 BUS to US 26Wheatland, WY website
Transportation in Platte County, Wyoming
320
__NOTOC__
Year 320 (Roman numerals, CCCXX) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantinus and Constantinus (or, less freq ...
U.S. Route 87