South Dakota Raises Speed Limit to 80 MPH by: Josh Wolsky | April 2, 2015 If you’re on the Interstate in South Dakota, you can now drive a little faster — 80 MPH is the new limit. No related posts. This article was sourced from: Maya Rao, Star Tribune Source Josh Wolsky Developer & Writer @TheMinot Voice, Fan of the Souris River, SavorMinot Advocate. Fortunate to be a 'former' City Council member ;) Local Businesses Supporting Local News Subscribe to Today in Minot! It's the free, easy way to stay informed about what's happening in Minot, and it helps support independent local news and journalism. Subscribe for Free! Subscribe to Today in Minot × Name First Last HiddenSource Email Local Check (Type "Minot" to Continue) Δ