Wikipedia

U.S. Route 212 in South Dakota

U.S. Route 212 (US 212) is a part of the U.S. Highway System that travels from Yellowstone National Park east to Edina, Minnesota. In South Dakota, it starts at the Wyoming state line northeast of Belle Fourche and extends approximately 412 miles (663 km) to the Minnesota state line east of Goodwin.[1]

U.S. Highway 212 marker
U.S. Highway 212
Route information
Maintained by SDDOT
Length412.45 mi[1] (663.77 km)
Major junctions
West end US 212 at the Wyoming state line
Major intersections
East end US 212 at the Minnesota state line
Location
CountryUnited States
StateSouth Dakota
CountiesButte, Meade, Ziebach, Dewey, Potter, Faulk, Hand, Spink, Clark, Codington, Deuel
Highway system
  • South Dakota State Trunk Highway System
← SD 204→ SD 214

Route description

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US 212 near Carpenter

US 212 enters South Dakota near the Wyoming state line, 20.5 miles (33.0 km) southeast of the Montana state line, and continues 13 miles (21 km) southeast to Belle Fourche. Here it intersects US 85, and then continues eastward, skirting the southern end of the Belle Fourche Reservoir. It continues east for 21 miles (34 km), passing Nisland, until intersecting with South Dakota Highway 79 (SD 79) where they are briefly cosigned until Newell. US 212 continues east, passing through Faith, and enters the Cheyenne River Indian Reservation, where it continues through Dupree and North Eagle Butte, and reaches the Lake Oahe, a reservoir on the Missouri River.[1]

US 212 crosses the Missouri River, leaving the Cheyenne River Indian Reservation, and travels 11 miles (18 km) east where it intersects (and briefly co-signed) US 83 near Gettysburg. US 212 continues eastward for 52 miles (84 km) through Gettysburg, Seneca, and Faulkton before reaching SD 45, where they are cosigned and turn south for 11 miles (18 km), before continuing eastward for 23 miles (37 km), passing through Rockham and Zell before reaching Redfield where it intersects with US 281.[1]

Continuing east for 63 miles (101 km), US 212 passes through Frankfort, Doland, Clark, and Henry before passing the southern edge of Lake Kampeska and entering Watertown. US 212 follows 9th Avenue S, intersecting US 81 near the downtown area and Interstate 29 on the city's eastern edge. US 212 continues east for 33 miles (53 km), passing through Krazburg and Goodwin, before crossing into Minnesota.[1]

Legally, the South Dakota section of US 212 is defined at South Dakota Codified Laws § 31-4-206.[2]

Major intersections

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CountyLocationmi[1]kmDestinationsNotes
Butte​0.000.00
 US 212 west – Alzada		Continuation into Wyoming and Montana
Belle Fourche13.4421.63
 US 85 to I-90 – Buffalo, Spearfish
​15.2124.48US 212 Bus. west
36.1658.19
 SD 79 south – Sturgis		Western end of SD 79 concurrency
Newell39.1663.02
 SD 79 north – Reva		Eastern end of SD 79 concurrency
Meade​110.89178.46
 SD 73 north – Lemmon		Western end of SD 73 concurrency
Faith114.07183.58
 SD 73 south – Philip		Eastern end of SD 73 concurrency
ZiebachDupree138.05222.17
 SD 65 north – Isabel, McIntosh
DeweyNorth Eagle Butte152.98246.20
 SD 63 south / Lewis and Clark Trail		Western end of SD 63 concurrency
​158.94255.79
 SD 63 north / Lewis and Clark Trail – Timber Lake		Eastern end of SD 63 concurrency
Lake Oahe
(Missouri River)		207.66–
208.53		334.20–
335.60		U.S. Route 212 Missouri River Bridge
PotterForest City209.08336.48
 SD 1804 south		Western end of SD 1804 concurrency
​213.21343.13
 SD 1804 north		Eastern end of SD 1804 concurrency
219.41353.11
 US 83 south – Onida		Western end of US 83 concurrency
220.19354.36
 US 83 north – Selby		Eastern end of US 83 concurrency
​234.63377.60
 SD 47 north – Lebanon, Hoven		Western end of SD 47 concurrency
FaulkSeneca–Latham
township line		250.93403.83
 SD 47 south – Highmore		Eastern end of SD 47 concurrency
Lafoon Township272.19438.05
 SD 45 north – Ipswich		Western end of SD 45 concurrency
Faulk–Hand
county line		Arcade–Park
township line		283.20455.77
 SD 45 south – Miller		Eastern end of SD 45 concurrency
SpinkRedfield306.46493.20

 US 281 south (W. 3rd Street) to US 14		Western end of US 281 concurrency
306.97494.02
 US 281 north (E. 3rd Street) – Aberdeen		Eastern end of US 281 concurrency
Prairie Centre–Belle Plaine
township line		321.98518.18
 SD 37 south – Huron		Western end of SD 37 concurrency
Doland321.98518.18
 SD 37 north – Conde, Groton		Eastern end of SD 37 concurrency
ClarkElrod Township354.69570.82
 SD 25 south – DeSmet		Eastern end of SD 25 concurrency
355.56572.22
 SD 25 north – Webster		Eastern end of SD 25 concurrency
CodingtonWatertown370.27595.89
 78th Street W to SD 28		Former SD 139 north
376.22605.47
 SD 20 north (10th Street W) / 20th Avenue S – Florence
377.34607.27 US 81 (5th Street SE)
379.74611.13 I-29 – Summit, BrookingsI-29 exit 177
DeuelPortland Township398.00640.52
 SD 15 south – Clear Lake		Eastern end of SD 15 concurrency
Portland–Lowe
township line		402.81648.26
 SD 15 north – Milbank		Eastern end of SD 15 concurrency
Antelope Valley Township412.45663.77
 US 212 east – Montevideo		Continuation into Minnesota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Belle Fourche business route

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Highway 212 Business
LocationBelle Fourche
Length2.10 mi[3] (3.38 km)

Highway 212 Business (US 212 Bus.) in Belle Fourche, is a unofficial route that goes into the downtown area of Belle Fourche.[3] It is not signed with a US Highway shield[4] and is not a state-maintained highway.[1]

See also

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References

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  1. 1 2 3 4 5 6 7 "SDDOT State Highway Viewer" (Map). South Dakota Department of Transportation. ArcGIS Experience. Retrieved February 27, 2026.
  2. ↑ "South Dakota Legislature". Archived from the original on February 13, 2007. Retrieved January 10, 2007.
  3. 1 2 "US 212 Business" (Map). Google Maps. Retrieved March 10, 2026.
  4. ↑ "Google Streetview: US-212 Bus, Belle Fourche" (Map). Google Maps. October 2021. Retrieved March 11, 2026.
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