PHOENIX - For the first time, drivers of taxi cabs and limousines in Arizona will soon be subject to random drug testing. Gov. Jan Brewer signed legislation this week that will require those who own ...

Arizona police plan to implement "green labs" to train officers on recognizing marijuana impairment in drivers. The labs will involve observing volunteers consuming cannabis and undergoing sobriety ...

PHOENIX (AZFamily) — The Arizona Department of Transportation has given the green light for Tesla to begin testing its autonomous cars in Arizona with safety drivers. The approval by ADOT comes after ...

Tesla had applied in June for a permit to begin trials for an autonomous vehicle ride-sharing service, and now plans to test robotaxis in the Phoenix Metro area using safety drivers, the Arizona ...