Arizona Work Zone Laws

How Arizona handles work zones

Arizona keeps the reduced work-zone limit live whether or not a crew is out, so 'nobody was working' is no defense to the posted sign (ARS 28-710). The penalty doubles only when workers are present: you pay the base civil fine plus an equal additional assessment for the highway work-zone safety fund. Obey the flagger's paddle as a traffic-control device (28-644). Arizona's statewide handheld ban covers the zone too.

Speed, fines, phone, and the flagger

• Speed rule: The posted work-zone limit is the same whether or not workers are present, and it applies whenever the zone is signed (ARS 28-710). The civil penalty only doubles when workers are present. Workers-present trigger for the enhancement.
• Fine multiplier: Doubled when workers are present. On top of the base civil penalty you pay an equal additional assessment that funds the state highway work-zone safety fund (ARS 28-710). No workers, single penalty.
• Phone in a work zone: Restricted — put it down
• Flagger authority: A flagger's paddle is an official traffic-control device you must obey under ARS 28-644; failing to obey is a civil traffic violation carrying points and a fine plus state surcharges.
• Base fine: Base civil penalty for the speeding violation runs roughly $150 to $250 with surcharges, plus an equal additional assessment when workers are present (ARS 28-710).

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