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

From the days of horse and carriage, speed limit science (speed science) has been used to help establish speed limits on how fast (or slow) people and their vehicles should go. I’ve spent years ...

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. Speed cameras are likely to have a little bit of leeway, but drivers should still take caution. (BrianAJackson via Getty Images) ...