This bumpy, adventurous road in northern Arizona spotlights some of the state's most stunning scenery, with opportunities for ...

Have you heard of Arizona's stupid motorist law? Do you know about left lane laws? Arizona's driving laws vary from other states. Here are 11 to know.

Which brings me to Arizona. Waymo, the self-driving car division of Google’s parent company Alphabet, is doing a lot of autonomous vehicle testing here, as are Uber and, soon, GM.

A map from the National Weather Service shows the portions of Arizona under a high pollution advisory for Friday. Residents of the areas shaded dark gray are urged to avoid driving in an effort to ...