South Dakota Interstate 90
South Dakota Interstate 90 runs from the Minnesota border through the Central Plains area and into the heart of the Black Hills region. Along South Dakota I-90 four lane highway you will find cities and small towns with a wealth of sites to see and entertainment for all ages. From Sioux Falls to Rapid City at 75 miles per hour, it takes approximately six hours to drive, but you will miss a wealth of history and entertainment along South Dakota's I-90 if you don't break the route into a two or three day must see road trip.
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