The Interstate 11 project has been in the works for several years and Arizona lawmakers are trying to keep it from "stalling out." ...

Arizona is testing the limits of how fast Americans can legally drive, with a proposal that would scrap daytime speed caps on long, empty stretches of interstate. The plan would make the state a ...

American states have a vast range of speed limits, and we may soon have our very own version of the Autobahn. Again. With some caveats. Arizona state Rep. Nick Kupper recently introduced House Bill ...