Drivers operating a vehicle with a commercial driver’s license (CDL) have different standards than other drivers. The reason is because of the safety issues associated with operating larger vehicles such as trucks, tractor-trailers and buses.
The Arizona DUI laws are much more restrictive for people with commercial drivers licenses (CDL). While most Arizona drivers will be in violation of the law if their blood alcohol concentration is .08 or greater, commercial driver have a much tougher standard. For drivers with a CDL, the legal limit is merely a blood alcohol concentration of .04 or greater. Section 28-1381(A)(4) of the Arizona Revised Statutes provides:
It is unlawful for a person to drive or be in actual physical control of a vehicle in this state under any of the following circumstances:
If the vehicle is a commercial motor vehicle that requires a person to obtain a commercial driver license as defined in section 28-3001 and the person has an alcohol concentration of 0.04 or more.
Moreover, a commercial driver may also face a disqualification of their license. Thus, a commercial driver’s livelihood may be put at risk.