Add Yahoo as a preferred source to see more of our stories on Google. Speed cameras are likely to have a little bit of leeway, but drivers should still take caution. (BrianAJackson via Getty Images) ...

Across the country, drivers are running into a new kind of speed rule that feels […] ...

You need to check updated weight and speed limits now—authorities have started enforcing stricter rules […] ...

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 ...