An example of what variable speed limit signs look like above a highway in Washington. Courtesy of the Washington State Department of Transportation When icy conditions led to a 133-car pileup on ...

Rose Hammond pushed authorities for years to lower the 55 mph speed limit on a two-lane road that passes her assisted living community, a church, two schools, and a busy park that hosts numerous youth ...

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 ...