Speed limits are a subject of constant discussion across America, and because of decentralized state regulation over the limits, there can be a wide variance in limits from state to state. Arizona, ...

DENVER (KDVR) — The speed limit on Interstate 70 in the high country will now change based on driving conditions, thanks to newly installed electronic signage. The signs have LED lights that allow the ...

Add Yahoo as a preferred source to see more of our stories on Google. Drivers in the state of Texas can no longer assume they know the roads well enough to stick with the speeds they've always done, ...

SIOUX FALLS, S.D. (KELO) — Drivers may not realize it but there are sensors on a section of Interstate 29 that could tell them to slow down under certain road conditions. The sensors are part of a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER ...