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, ...

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 ...

Thousands more people could have speeding convictions scrapped after National Highways extended an investigation into a technical failure with its cameras. The Department for Transport (DfT) said the ...

This is an archived article and the information in the article may be outdated.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 ...

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 ...

PORTLAND, Ore. - Portland is about to become the state's next testing ground for variable speed limit signs. It's all part of a pilot project to introduce the technology to Oregon. The basic idea ...

Thousands of speeding convictions could be overturned after National Highways expanded its investigation into a technical fault affecting its variable speed limit cameras. The Department for Transport ...

In an industry evolving alongside consumer concerns over rising energy costs, impact on the environment, and, of course, stricter regulations handed down by the government, new technologies are ...