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|map_notes=Route of SD 50 (in red)
|map_notes=Route of SD 50 (in red)
|length_mi=215
|length_mi=212.421
|length_ref=<ref name="SDDOT"/>
|established=1926
|established=1926
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'''South Dakota Highway 50''' ('''SD 50''') is a state route serving south central and southeast [[South Dakota]]. The current alignment begins at the junction of [[South Dakota Highway 34]] at "Lee's Corner" east of [[Fort Thompson, South Dakota|Fort Thompson]], and ends at the [[Iowa]] border near [[Richland, South Dakota|Richland]], where it continues as [[Iowa Highway 3]]. It is currently 215 miles (346 kilometers) in length.
'''South Dakota Highway 50''' ('''SD 50''') is a state route serving south central and southeast [[South Dakota]]. The current alignment begins at the junction of [[South Dakota Highway 34]] at "Lee's Corner" east of [[Fort Thompson, South Dakota|Fort Thompson]], and ends at the [[Iowa]] border near [[Richland, South Dakota|Richland]], where it continues as [[Iowa Highway 3]]. It is about {{convert|212|mi|km}} in length.


==History==
==History==
Line 32: Line 33:
In 1976, the northwest terminus was again extended. It was routed west to [[Chamberlain, South Dakota|Chamberlain]], then assumed a segment of SD 47 (which had been realigned west) to its new northern terminus at SD 34 east of Fort Thompson.
In 1976, the northwest terminus was again extended. It was routed west to [[Chamberlain, South Dakota|Chamberlain]], then assumed a segment of SD 47 (which had been realigned west) to its new northern terminus at SD 34 east of Fort Thompson.


== Major intersections ==
==Major intersections==
{{SDinttop|length_ref=<ref name="SDDOT">{{cite web|url=http://sddot.com/transportation/highways/planning/pavement/docs/Mitchell_Region.pdf|title=State Highway Log: Mitchell Region|publisher=[[South Dakota Department of Transportation]]|date=January 2012|accessdate=December 23, 2013}}</ref>}}
{{SDinttop|length_ref=<ref name="SDDOT">{{cite web|url=http://sddot.com/transportation/highways/planning/pavement/docs/Mitchell_Region.pdf|title=State Highway Log: Mitchell Region|publisher=[[South Dakota Department of Transportation]]|date=January 2012|accessdate=December 23, 2013}}</ref>}}
{{SDint
{{SDint

Revision as of 23:34, 23 December 2013

Highway 50 marker
Highway 50
Route of SD 50 (in red)
Route information
Maintained by SDDOT
Length212.421 mi[1] (341.858 km)
Existed1926–present
Major junctions
West end SD 34 east of Fort Thompson
East end Iowa 3 near Richland
Location
CountryUnited States
StateSouth Dakota
CountiesBuffalo, Brule, Charles Mix, Bon Homme, Yankton, Clay, Union
Highway system
  • South Dakota State Trunk Highway System
← SD 49→ SD 52

South Dakota Highway 50 (SD 50) is a state route serving south central and southeast South Dakota. The current alignment begins at the junction of South Dakota Highway 34 at "Lee's Corner" east of Fort Thompson, and ends at the Iowa border near Richland, where it continues as Iowa Highway 3. It is about 212 miles (341 km) in length.

History

South Dakota 50 was designated on the route known as the Sunshine Highway. When it was created in the 1920s, it ran the entire length of southern South Dakota, from the Wyoming border west of Edgemont, to the Iowa border at Sioux City.

When U.S. Highway 18 was designated in the late 1920s, it replaced the SD 50 designation from the Wyoming border at Ravinia (east of Lake Andes). SD 50 continued in southeast South Dakota.

Around 1940, SD 50 was extended northwest of its old terminus. It assumed a portion of alignment of South Dakota Highway 45 through Geddes, and South Dakota Highway 47 through Academy; the northern terminus became U.S. Highway 16 near Pukwana.

Around 1950, the east terminus was rerouted. At U.S. Highway 77 (with which it had previously shared a dual alignment to Sioux City), SD 50 was extended east to the Iowa border.

In 1976, the northwest terminus was again extended. It was routed west to Chamberlain, then assumed a segment of SD 47 (which had been realigned west) to its new northern terminus at SD 34 east of Fort Thompson.

Major intersections

CountyLocationmi[1]kmDestinationsNotes
Buffalo​0.0000.000 SD 34Western terminus
BruleChamberlain20.14532.420
 I-90 BL west		Western end of BL I-90 concurrency
23.331–
23.450		37.548–
37.739
 I-90 west / I-90 BL		Eastern terminus of BL I-90, western end of I-90 concurrency
​29.642–
30.237		47.704–
48.662
 I-90 east		Eastern end of I-90 concurrency
Charles Mix​61.98699.757
 SD 44 west		Western end of SD 44 concurrency
​64.074103.117
 SD 1804 south
Platte72.070115.985
 SD 45 north		Southern terminus of SD 45
​78.999127.137
 SD 44 east		Eastern end of SD 44 concurrency
​93.827151.000
 SD 1804 south
Lake Andes102.714165.302

 US 18 west / US 281 south		Western end of US 18/US 281 concurrency
​112.611181.230

 US 18 east / US 281 north		Eastern end of US 18/US 281 concurrency
Wagner117.904189.748
 SD 46 west		Western end of SD 46 concurrency
​126.743203.973
 SD 46 east		Eastern end of SD 46 concurrency
Bon Homme​137.056220.570
 SD 37 north		Western end of SD 37 concurrency
​141.175227.199
 SD 37 south		Eastern end of SD 37 concurrency
​150.725242.568
 SD 25 north		Southern terminus of SD 25
​156.817252.372
 SD 52 west		Western end of SD 52 concurrency
Yankton​161.701260.233
 SD 52 east		Eastern end of SD 52 concurrency
​164.738265.120
 SD 153 south		Northern terminus of SD 153
​165.322266.060
 SD 314 east		Western terminus of SD 314
Yankton169.768273.215
 US 81 north		Northern end of US 81 concurrency
172.435277.507

 US 81 south / SD 52 west		Eastern terminus of SD 52, southern end of US 81 concurrency
Clay​194.864313.603

 SD 50 Bus. east		Western terminus of SD 50 Bus.
Vermillion196.882316.851 SD 19
​197.238317.424

 SD 50 Bus. west		Eastern terminus of SD 50 Bus.
Union​202.894–
203.069		326.526–
326.808		 I-29 – Sioux City, IA, Sioux Falls
​209.632337.370
 SD 11 south		Northern terminus of southern segment of SD 11
Plymouth​212.421341.858
 Iowa 3 east		Continuation into Iowa
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. ^ a b "State Highway Log: Mitchell Region" (PDF). South Dakota Department of Transportation. January 2012. Retrieved December 23, 2013.
KML file (edit • help)
Template:Attached KML/South Dakota Highway 50
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