South Dakota road map

I-90 in South Dakota map

I-90 is about 408 miles in South Dakota. It has 97 exits, from Exit 2 at mile 2 to Exit 410 at mile 406. It meets 31 highways; US 14, SD 73 and SD 248 meet it in the most grid squares.

Open the map (PDF, US Letter)

I-90 in South Dakota map, Interstate highway, South Dakota: page one of the printable sheet, with the route, the towns along it and the highways it meets on a lettered grid.

Exits on I-90 in South Dakota

Each exit in mile order, with its grid square.

Exit 2mile 2, A3
Exit 8mile 9, A3
Exit 10mile 9, A3
Exit 12mile 12, A3
Exit 14mile 13, A3
Exit 17mile 17, A3
Exit 23mile 23, A3
Exit 30mile 29, A3
Exit 32mile 31, A3
Exit 34mile 34, A3
Exit 37mile 36, A3
Exit 40mile 39, A3
Exit 44mile 43, A3
Exit 46mile 45, A3
Exit 48mile 47, A3
Exit 52mile 50, A3
Exit 55mile 54, A3
Exit 57mile 56, A3
Exit 1A-Bmile 56, A3
Exit 58mile 56, A3
Exit 59mile 58, A3
Exit 60mile 59, A3
Exit 61mile 60, A3
Exit 63mile 62, A3
Exit 67Amile 65, A3
Exit 67Bmile 65, A3
Exit 67mile 66, A3
Exit 78mile 76, B3
Exit 84mile 82, B3
Exit 88mile 86, B3
Exit 90mile 88, B3
Exit 98mile 96, B4
Exit 101mile 99, B4
Exit 107mile 106, B4
Exit 109mile 108, B4
Exit 110mile 109, B4
Exit 112mile 110, B4
Exit 116mile 115, B4
Exit 121mile 119, B4
Exit 127mile 125, B4
Exit 131mile 129, B4
Exit 143mile 140, B4
Exit 150mile 148, C4
Exit 152mile 149, C4
Exit 163mile 161, C4
Exit 170mile 167, C4
Exit 172mile 170, C4
Exit 177mile 175, C4
Exit 183mile 180, C4
Exit 191mile 189, C4
Exit 192mile 190, C4
Exit 201mile 198, C4
Exit 208mile 205, C4
Exit 212mile 210, C4
Exit 214mile 211, C4
Exit 220mile 217, D4
Exit 225mile 222, D4
Exit 226mile 223, D4
Exit 235mile 233, D4
Exit 241mile 239, D4
Exit 248mile 245, D4
Exit 251mile 248, D4
Exit 260mile 257, D4
Exit 263mile 260, D4
Exit 265mile 262, D4
Exit 272mile 269, D4
Exit 284mile 280, D4
Exit 289mile 285, E4
Exit 296mile 292, E4
Exit 308mile 305, E4
Exit 310mile 306, E4
Exit 319mile 316, E4
Exit 325mile 321, E4
Exit 330mile 326, E4
Exit 332mile 328, E4
Exit 335mile 331, E4
Exit 344mile 340, E4
Exit 350mile 345, E4
Exit 353mile 350, E4
Exit 357mile 354, E4
Exit 364mile 360, F4
Exit 368mile 364, F4
Exit 374mile 370, F4
Exit 379mile 375, F4
Exit 387mile 383, F4
Exit 390mile 386, F4
Exit 395mile 390, F4
Exit 396Amile 392, F4
Exit 84Amile 392, F4
Exit 84Bmile 392, F4
Exit 396Bmile 392, F4
Exit 399mile 395, F4
Exit 400mile 396, F4
Exit 10Bmile 396, F4
Exit 402mile 398, F4
Exit 406mile 402, F4
Exit 410mile 406, F4

Highways I-90 meets

Each highway it meets and the grid squares where they meet.

US 14A3, B3
US 85A3
SD 34A3
US 14AA3
SD 79A3
SD 445A3
I-190A3
US 16A3
SD 230A3
SD 240B4
SD 73B4, C4
SD 63C4
SD 16C4
SD 248C4, D4
US 83C4
SD 53C4
US 183D4
SD 273D4
SD 47D4
SD 50D4
SD 45D4
US 281E4
SD 37E4
SD 262E4
SD 25E4
US 81F4
SD 19F4
SD 38F4
I-29F4
SD 115F4
SD 11F4

Towns along I-90 in South Dakota

In mile order, with the grid square of each.

North Spearfishmile 7, A3
Spearfishmile 8, A3
Mountain Plainsmile 12, A3
Whitewoodmile 22, A3
Crook Citymile 24, A3
Sturgismile 28, A3
Piedmontmile 45, A3
Summersetmile 45, A3
Blackhawkmile 50, A3
Rapid Citymile 54, A3
Box Eldermile 60, A3
Ashland Heightsmile 62, A3
New Underwoodmile 76, B3
Wastamile 96, B4
Wallmile 107, B4
Kadokamile 147, C4
Belvideremile 160, C4
Okatonmile 175, C4
Drapermile 198, C4
Vivianmile 210, C4
Preshomile 222, D4
Kennebecmile 232, D4
Reliancemile 245, D4
Oacomamile 257, D4
Chamberlainmile 259, D4
Kimballmile 279, D4
White Lakemile 292, E4
Plankintonmile 304, E4
Mount Vernonmile 315, E4
Mitchellmile 326, E4
Millbrook Colonymile 336, E4
Alexandriamile 340, E4
Humboldtmile 376, F4
Hartfordmile 383, F4
Sioux Fallsmile 390, F4
Meadow View Additionmile 395, F4
Brandonmile 399, F4

I-90 in South Dakota map

Exits on I-90 in South Dakota

Highways I-90 meets

Towns along I-90 in South Dakota

Things to do on the I-90 in South Dakota map