Although driving at the speed limit can be likened to a foreign concept or a crazy idea for some drivers out on the road, one ...

Gov. Kelly Armstrong signed House Bill 1298 on Monday, increasing the speed limit on Interstates 29 and 94 from 75 mph to 80 mph. The bill also increases fines for speeding. The law goes into effect ...

The speed limit on interstates in South Dakota and Montana is already 80 mph while the speed limit on non-metro freeways in ...