What is the legal limit of Blood Alcohol Concentration (BAC) while driving in Arizona?

In Arizona, the legal limit for Blood Alcohol Concentration (BAC) while operating a vehicle is .08. This standard applies to drivers aged 21 and over and is consistent with the regulations in many other states. A BAC at or above this threshold indicates an impaired level of driving ability, which can lead to increased risk of accidents and serious legal repercussions, including DUI charges.

The choice of .08 is established based on research indicating that alcohol consumption above this level significantly impairs motor skills, judgment, and reaction times. For drivers under the age of 21 or those with commercial driver's licenses, the legal limit is lower, emphasizing the importance of ensuring safe driving practices across different demographics.

Additional context for the other BAC levels indicates that .05 is considered a more lenient threshold but is not the legal limit for most adult drivers in Arizona, while .10 and .12 would represent higher levels of impairment and result in even stricter penalties if a driver were found to have those BAC levels. These higher limits are not recognized as legal thresholds for driving without facing potential charges.