South Dakota Highway 43 (SD 43) is a
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 ...
that exists entirely in the southern part of
Gregory County in the southern part of the U.S. state of
South Dakota
South Dakota (; Sioux language, Sioux: , ) is a U.S. state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota people, Lakota and Dakota peo ...
. It begins as an extension of
Nebraska Highway 11
Nebraska Highway 11 (N-11) is a state highway in central and northern Nebraska, United States. Its southern terminus is at Interstate 80 (I-80) south of Wood River. Its northern terminus is at the South Dakota border north of Butte. The highway go ...
(N-11) at the
Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwe ...
state line south of
Fairfax. It travels northwest to an intersection with
U.S. Route 18 (US 18) south-southwest of the town.
Route description
SD 43 begins at the
Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwe ...
state line as a continuation of
N-11. It travels northwest for just over before meeting its northern terminus at an
intersection
In mathematics, the intersection of two or more objects is another object consisting of everything that is contained in all of the objects simultaneously. For example, in Euclidean geometry, when two lines in a plane are not parallel, their i ...
with
US 18. The highway does not travel through any populated areas, but rather serves as a
connector route
A connector is a highway or freeway road that connects to another highway or freeway. It can be part of an interchange such as the MacArthur Maze or a longer roadway such as the Interstate 635.
A connector route is a type of special route or su ...
between N-11 and US 18.
History
The first road designated as SD 43 was around 1932, in
Platte. It traveled east before heading south to travel through
Geddes, ending at US 18 west of
Lake Andes. This segment, previously part of
SD 45, was given a separate number when SD 45 was rerouted south from Platte. By 1935, it was extended to the north and west, assuming the routing of
SD 47 when the latter highway was relocated west of the
Missouri River; its northern terminus was at the intersection of
US 16 in
Pukwana (in
Brule County
Brule County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 5,247. Its county seat is Chamberlain.
History
Brule County was created on January 14, 1875, of territory partitioned from Charles Mix County ...
). The number was removed around 1940, when
SD 50 was extended northwest from its previous terminus near
Ravinia (east of Lake Andes).
The present day SD 43 was initially a segment of
US 281. That highway's entrance into South Dakota was moved about to the east, by 1962. The old alignment was unnumbered until 1976, when it given its current assignment.
Major intersections
References
{{Attached KML, display=title,inline
External links
South Dakota Highways Page: Highways 31-60
043
Transportation in Gregory County, South Dakota
U.S. Route 281