Across the country, lawmakers and transportation officials are quietly rewriting the rules of the road, and the next change many drivers will notice is on the speed limit sign. Some states are ...

While the rest of the world utilizes a different system for determining its roads' speed limits, America continues using ...

Some states -- with a nudge from the federal government -- are seeking to modify if not replace a widely accepted concept when setting guidelines for how local engineers should decide what speed limit ...