Ariz. Rev. Stat. § 11-876
A. By July 1, 2002, a county that contains any portion of area A as defined in section 49-451 shall adopt, implement and enforce ordinances that place limits on the maximum idling time for engines that propel heavy-duty diesel vehicles with a gross vehicle weight rating of more than fourteen thousand pounds. The ordinances shall at least include exemptions for:
D. A driver who violates an ordinance adopted pursuant to this section is subject to: