(Sioux Falls, SD) — A South Dakota driver is behind bars for speeding over 120 miles an hour in a 65 zone on I-90 over the weekend. Authorities say the driver was also arrested for driving under the influence and was nearly twice the drinking limit. South Dakota Highway Patrol is reminding drivers to slow down and that sobriety checkpoints will continue to be conducted throughout 15 counties during the rest of the month.
