We all know the rules of the road when it comes to speeding. White speed limit signs with black lettering are plastered along roadways letting drivers know how fast they’re allowed to go. And going ...

Picture this: a self-driving car smoothly navigating treacherous mountain roads with consecutive hairpin turns – a scenario that would challenge even the most experienced human drivers. This vision is ...

Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration. They are posted for “a small portion ...