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  Standard South Dakota highway shields | |
| System information | |
|---|---|
| Notes | South Dakota highways are generally state-maintained. |
| Highway names | |
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Highway X (US X) |
| State | (State) Highway X (SD X) |
| System links | |
| |
The U.S. Highways in South Dakota are the segments of the United States Numbered Highway System owned and maintained by the South Dakota Department of Transportation in the US state of South Dakota.
List
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 US 12
|
319.24 | 513.77 | US 12 near Lemmon | US 12 at Big Stone City | 01926-01-011926 | current | ||
 US 14
|
439.75 | 707.71 | I-90/US 14 near Spearfish | US 14 near Elkton | 01925-01-011925 | current | ||
 US 16
|
69 | 111 | US 16 near Mount Rushmore | I-90/I-190/US 14 in Rapid City | 01925-01-011925 | current | ||
 US 18
|
451.88 | 727.23 | US 18 near Edgemont | US 18 near Canton | 01926-01-011926 | current | ||
 US 77
|
— | — | — | — | 01929-01-011929 | 01982-01-011982 | ||
 US 81
|
— | — | US 81 at Yankton | I-29/US 81 near New Effington | 01926-01-011926 | current | ||
 US 83
|
— | — | US 83 near Olsonville | US 83 near Herreid | 01925-01-011925 | current | ||
 US 85
|
— | — | US 85 in the Black Hills region | US 85 near Ludlow | 01926-01-011926 | current | ||
 US 85E
|
— | — | — | — | 01931-01-011931 | 01937-01-011937 | ||
 US 183
|
75.17 | 120.97 | US 183 near Wewela | I-90 near Presho | 01926-01-011926 | current | ||
 US 212
|
— | — | US 212 near Belle Fourche | US 212 east of Watertown | 01925-01-011925 | current | ||
 US 216
|
— | — | — | — | 01933-01-011933 | 01934-01-011934 | ||
 US 281
|
— | — | US 281 in Gregory County | US 281 north of Frederick | 01926-01-011926 | current | ||
 US 385
|
122 | 196 | US 385 south of Oelrichs | US 85 in Deadwood | 01925-01-011925 | current | ||
| ||||||||
Special routes
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 US 14A
|
— | — | I-90 / I-90 Bus. / US 14 / US 85 in Spearfish | I-90 / I-90 Bus. / US 14 / SD 34 / SD 79 in Sturgis | — | — | ||
 US 16A
|
36.971 | 59.499 | US 16/US 385/SD 89 in Custer | US 16 near Keystone | — | — | ||
 US 85A
|
— | — | — | — | — | — | ||
| ||||||||
See also
References
External links
Media related to Interstate Highways in South Dakota at Wikimedia Commons
