Drivers across parts of Texas are beginning to see electronic speed limit signs capable of changing in real time, marking a ...

Some Interstate Highway routes in the United States have already been adapted to having variable speed limits, a relative ...

North Dakota is about to raise the speed limit on its interstate highways to 80 mph – but be careful, the fines for speeding are about to go up, too. In early May, Gov. Kelly Armstrong signed ...

The experimental move could change US driving rules, with backers arguing it modernizes traffic law to better reflect road ...

North Dakota will raise the speed limit on its interstate highways in just a few months. Be careful, though – the fines for speeding are going up too. “This bill strikes a reasonable balance by ...

Digital signs flashing different speed limits are starting to pop up on Texas highways. They're part of a new initiative in ...