Add Yahoo as a preferred source to see more of our stories on Google. An example of what variable speed limit signs look like above a highway in Washington. (Courtesy of the Washington State ...

Speed limits across Texas roads are about to get smarter. In an effort to make highways safer and more responsive to real-time conditions, state officials are beginning a wider rollout of variable ...

When icy conditions led to a 133-car pileup on Interstate 35W in Fort Worth back in 2021, it showed just how quickly traffic can spiral when the weather turns. Now, drivers across Texas may start ...