List of South Dakota numbered highways
Standard South Dakota highway shields Two digits: 24 in x 24 in (610 mm x 610 mm) Three digits: 30 in x 24 in (900 mm x 610 mm) | |
System information | |
---|---|
Notes: | South Dakota highways are generally state-maintained. |
Highway names | |
Interstates: | Interstate X (I-X) |
US Routes: | U.S. Highway X (US X) |
State: | (State) Highway X (SD X) |
South Dakota's state highways were assigned in a numbering pattern that followed that of the U.S. Highways followed upon their inception. East-west highways carried even numbers and increased from north to south – while north-south highways carried odd numbers and increased from east to west. This holds true only for 2-digit highways. 3-digit highways follow the odd-even routing, but do not sequentially remain near a "parent" route as a spur or alternate route, instead being more independent of any parent 2d route.[1]
The Bureau of Indian Affairs maintains a set of routes within the reservations of western South Dakota – using the standard BIA shield on green background.[1]
Interstate Highways
Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
---|---|---|---|---|---|---|---|
I-29 | 252.50 | 406.36 | I-29 at Dakota Dunes | I-29 / US 81 near New Effington | 1958 | current | |
I-90 | 412.76 | 664.27 | I-90 near Spearfish | I-90 near Valley Springs | — | — | |
I-190 | 1.72 | 2.77 | I-90 in Rapid City | SD 44 in Rapid City | — | — | |
I-229 | 11.33 | 18.23 | I-29 in Sioux Falls | I-90 / CR 125 near Sioux Falls | — | — |
U.S. Highways
Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
---|---|---|---|---|---|---|---|
US 12 | — | — | US 12 near Lemmon | US 12 at Big Stone City | — | — | |
US 14 | 439.75 | 707.71 | I-90/US 14 near Spearfish | US 14 near Elkton | — | — | |
US 14A | — | — | — | — | — | — | |
US 16 | — | — | — | — | — | — | |
US 16A | 36.971 | 59.499 | US 16/US 385/SD 89 in Custer | US 16 near Keystone | — | — | |
US 18 | — | — | US 18 near Edgemont | US 18 near Canton | — | — | |
US 77 | — | — | — | — | — | — | |
US 81 | — | — | US 81 at Yankton | I-29/US 81 near New Effington | — | — | |
US 83 | — | — | US 83 near Olsonville | US 83 near Herreid | — | — | |
US 85 | — | — | — | — | — | — | |
US 85A | — | — | — | — | — | — | |
US 85E | — | — | — | — | — | — | |
US 183 | 75.17 | 120.97 | US 183 near Wewela | I-90 near Presho | — | — | |
US 212 | — | — | — | — | — | — | |
US 216 | — | — | — | — | — | — | |
US 281 | — | — | — | — | — | — | |
US 385 | — | — | — | — | — | — |
State highways
Routes in italics are no longer in service
- South Dakota Highway 8
- South Dakota Highway 9
- South Dakota Highway 10
- South Dakota Highway 11
- South Dakota Highway 13
- South Dakota Highway 15
- South Dakota Highway 15A
- South Dakota Highway 15Y
- South Dakota Highway 16
- South Dakota Highway 16B
- South Dakota Highway 17
- South Dakota Highway 18
- South Dakota Highway 19
- South Dakota Highway 19A
- South Dakota Highway 20
- South Dakota Highway 20 Spur
- South Dakota Highway 20A
- South Dakota Highway 21
- South Dakota Highway 22
- South Dakota Highway 22 Spur
- South Dakota Highway 23
- South Dakota Highway 24
- South Dakota Highway 24A
- South Dakota Highway 25
- South Dakota Highway 26
- South Dakota Highway 27
- South Dakota Highway 28
- South Dakota Highway 30
- South Dakota Highway 32
- South Dakota Highway 34
- South Dakota Highway 35
- South Dakota Highway 36
- South Dakota Highway 37
- South Dakota Highway 37A
- South Dakota Highway 38
- South Dakota Highway 38A
- South Dakota Highway 40
- South Dakota Highway 40A
- South Dakota Highway 41
- South Dakota Highway 42
- South Dakota Highway 43
- South Dakota Highway 44
- South Dakota Highway 45
- South Dakota Highway 46
- South Dakota Highway 46 Spur
- South Dakota Highway 47
- South Dakota Highway 47W
- South Dakota Highway 48
- South Dakota Highway 49
- South Dakota Highway 50
- South Dakota Highway 52
- South Dakota Highway 53
- South Dakota Highway 54
- South Dakota Highway 55
- South Dakota Highway 59
- South Dakota Highway 61
- South Dakota Highway 63
- South Dakota Highway 65
- South Dakota Highway 71
- South Dakota Highway 73
- South Dakota Highway 75
- South Dakota Highway 79
- South Dakota Highway 81
- South Dakota Highway 83
- South Dakota Highway 85
- South Dakota Highway 87
- South Dakota Highway 89
- South Dakota Highway 100
- South Dakota Highway 101
- South Dakota Highway 102
- South Dakota Highway 103
- South Dakota Highway 105
- South Dakota Highway 106
- South Dakota Highway 109
- South Dakota Highway 115
- South Dakota Highway 116
- South Dakota Highway 123
- South Dakota Highway 127
- South Dakota Highway 130
- South Dakota Highway 134
- South Dakota Highway 136
- South Dakota Highway 139
- South Dakota Highway 144
- South Dakota Highway 147
- South Dakota Highway 153
- South Dakota Highway 158
- South Dakota Highway 168
- South Dakota Highway 203
- South Dakota Highway 204
- South Dakota Highway 214
- South Dakota Highway 218
- South Dakota Highway 224
- South Dakota Highway 230
- South Dakota Highway 232
- South Dakota Highway 235
- South Dakota Highway 236
- South Dakota Highway 238
- South Dakota Highway 239
- South Dakota Highway 240
- South Dakota Highway 244
- South Dakota Highway 245
- South Dakota Highway 247
- South Dakota Highway 248
- South Dakota Highway 249
- South Dakota Highway 251
- South Dakota Highway 253
- South Dakota Highway 258
- South Dakota Highway 262
- South Dakota Highway 264
- South Dakota Highway 271
- South Dakota Highway 273
- South Dakota Highway 296
- South Dakota Highway 298
- South Dakota Highway 314
- South Dakota Highway 324
- South Dakota Highway 365
- South Dakota Highway 377
- South Dakota Highway 391
- South Dakota Highway 407
- South Dakota Highway 423
- South Dakota Highway 435
- South Dakota Highway 437
- South Dakota Highway 439
- South Dakota Highway 445
- South Dakota Highway 471
- South Dakota Highway 473
- South Dakota Highway 514
- South Dakota Highway 1804
- South Dakota Highway 1806
See also
- South Dakota portal
- U.S. Roads portal
References
- 1 2 Geelhart, Chris. "Unofficial South Dakota Highways Page". Retrieved 2007-02-25.
External links
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