South Dakota

2 interstates and 1 loop or spur · 665 miles · 164 stops

I-29 246 miles in South Dakota · 56 stops · 4 likely clean Missouri → Iowa → South Dakota → North Dakota Southbound Northbound
I-90 409 miles in South Dakota · 98 stops Wyoming → South Dakota → Minnesota → Wisconsin → Illinois → Indiana → Ohio Westbound Eastbound

Sioux Falls area

I-229 10 miles in South Dakota · 10 stops · 1 likely clean South Dakota Southbound Northbound

Towns with the most stops

Sioux Falls I-29 · I-90 · I-229 · 52 stops Rapid City I-90 · 12 stops Wall I-90 · 5 stops Brookings I-29 · 5 stops Wasta I-90 · 4 stops Sturgis I-90 · 4 stops Presho I-90 · 4 stops Piedmont I-90 · 4 stops North Spearfish I-90 · 4 stops North Sioux City I-29 · 4 stops Murdo I-90 · 4 stops Mitchell I-90 · 4 stops Elk Point I-29 · 4 stops Spearfish I-90 · 3 stops Kadoka I-90 · 3 stops Chamberlain I-90 · 3 stops Box Elder I-90 · 3 stops Whitewood I-90 · 2 stops