If I get a red-light camera ticket in the mail, do I have to respond, and what is the difference between a 'notice of violation' and a real court-issued ticket?

Plain-English summary

Arizona has a two-track system for photo-enforcement traffic violations. The first track is the actual uniform traffic ticket and complaint, which is the document that goes to court. Under A.R.S. § 28-1593(A), that document must be served personally on the driver, or by any method authorized by the Arizona Rules of Civil Procedure (which includes process servers and substituted service in some cases). Certified mail with return receipt to the address the driver provided is allowed only after a separate investigation tied to a traffic accident.

In practice, most photo-enforcement programs cannot personally serve every alleged violator. So they often mail the citation hoping the recipient will respond. A.R.S. § 28-1593(C) covers that scenario: when a photo-enforcement citation is mailed by a method other than what subsection (A) authorizes, the agency must tell the recipient (1) they have no obligation to identify the driver or respond to the citation, and (2) failure to respond will probably result in formal service and the recipient being required to pay the cost of that service. The opinion makes clear that mailing alone is not service. It is an invitation to respond, with a warning that ignoring it triggers a real serve.

The second track is the "notice of violation," which is a pre-court document from the city or its photo-enforcement contractor. A.R.S. § 28-1602 requires that document to state on its face (1) the notice is not a court-issued document, (2) the recipient is under no obligation to identify the driver or respond, and (3) failure to respond may result in official service that may carry an additional fee. The opinion stresses that municipalities must comply with these statutory requirements; they cannot dispense with the language because they want higher voluntary compliance rates.

Currency note

This opinion was issued in 2011. Subsequent statutory amendments, court decisions, or later AG opinions may have changed the analysis. Treat this page as historical context, not current legal advice. Verify current law before relying on any specific rule, deadline, or remedy mentioned here. Arizona's photo-enforcement program has been politically contentious, and the statutory framework has been amended several times since 2011. The basic distinction between formal traffic citations and pre-court notices of violation has remained.

Background and statutory framework

Photo-enforcement systems became widespread in Arizona in the late 2000s, both for red-light enforcement at intersections and for speed enforcement on freeways and surface streets. The systems use roadside cameras and a separate enforcement contractor to capture images, mail notices, and pursue collections. Senator Antenori was a vocal critic of the programs and asked this opinion to clarify what cities and contractors had to disclose to drivers when they sent photo-enforcement mail.

The opinion did not invalidate any program. It clarified the disclosure floor that cities and contractors must meet. The key practical takeaway was that drivers receiving a mailed photo-enforcement document have no legal obligation to identify the driver or respond, but doing nothing risks being formally served at extra cost. Drivers who decided to respond and contest the ticket would do so through the traffic court process; drivers who ignored the mail would either receive a process server later or, in some cases, see the matter dropped if the city did not pursue formal service.

Two related provisions are also useful context: A.R.S. § 28-1591(C) treats parking complaints differently (regular mail is enough, and service is complete on mailing), and A.R.S. § 28-643 (covered in I11-005) requires three-second yellow phases at all signals, which can affect the underlying enforcement basis.

Common questions

Q: I got a photo-enforcement ticket in the mail and ignored it. What happens?
A: Under this AG reading of § 28-1593(C), if the agency mailed the citation in a way that does not satisfy formal service, the agency was required to tell you that you do not have to respond, but if you do not, they may formally serve you (often by process server) and add the cost of that service to the ticket. The case will not simply disappear unless the agency decides not to pursue formal service.

Q: What is the difference between a "notice of violation" and a real ticket?
A: A notice of violation is a pre-court document from the city or its contractor; it must state on its face that it is not a court-issued document. A real ticket is the uniform traffic ticket and complaint that gets filed in court. Both have to disclose that you are not obligated to identify the driver or respond, but the legal status differs.

Q: Do I have to identify the driver if I was not the driver?
A: No. Under A.R.S. §§ 28-1593(C) and 28-1602(B), you have no statutory obligation to identify the driver. The city may pursue the matter against the registered owner if it cannot identify the actual driver, but in most cases that requires formal service and a hearing.

Q: Are these statutes still good law?
A: The statutes are still on the books, but verify current text and any subsequent AG opinions before acting. Arizona's photo-enforcement landscape has shifted as different cities and the state DPS have started, suspended, or restarted programs.

Citations and references

Statutes:

• A.R.S. § 28-1593 (traffic complaint service)
• A.R.S. § 28-1602 (photo enforcement notices)
• A.R.S. § 28-601 (photo enforcement system definition)
• A.R.S. § 28-1591 (parking complaints; mail service)

Cases:

• State v. Williams, 175 Ariz. 98, 854 P.2d 131 (1993), plain-language interpretation rule

Source

• Landing page: https://www.azag.gov/opinions/i11-008-r11-016
• Original PDF: https://www.azag.gov/sites/default/files/2025-06/I11-008.pdf

Original opinion text

To:

The Honorable Frank Antenori

Arizona State Senate

Question Presented

What are the requirements for service of citations and notices of violations stemming from traffic violations detected by photo enforcement systems under Arizona Revised Statutes (A.R.S.) §§ 28-1593 and 28-1602?

Summary Answer

Section 28-1593(A) requires that a uniform traffic ticket and complaint be personally served by being delivered to the person against whom the complaint is brought or by any means that the Arizona Rules of Civil Procedure authorize and permits service by certified mail, return receipt requested, under certain circumstances. Where a law enforcement agency or its agents seek to achieve service of a traffic ticket and complaint that a photo enforcement system has generated through a means other than those authorized by § 28-1593(A), the agency must inform the person against whom the complaint is brought that he or she is not obligated to identify the driver or to respond to the citation, but that failure to respond will probably result in the person being formally served and being required to pay service costs. Similarly, where a municipality or a company contracted to supply photo enforcement services provides a notice of violation, the notice must give the recipient the same information and must also state that the notice is not a court-issued document. A.R.S. § 28-1602. These statutory requirements apply to municipalities.

Background

Some Arizona cities enforce traffic laws through photo enforcement. See, e.g., City of Mesa, Photo Safety Enforcement FAQs, http://www.mesaaz.gov/residents/police/divisions/photo-safety-program (“The Mesa Police Department uses an automated traffic enforcement program to supplement traffic enforcement by Mesa police officers.”); see also A.R.S. § 28-601 (defining photo enforcement system).

Analysis

The language of a statute is the best and most reliable index of a statute’s meaning. State v. Williams, 175 Ariz. 98, 100, 854 P.2d 131, 133 (1993). Section 28-1593 sets forth the requirements for service of a traffic complaint, as well as the substantive requirements of notice that must be included with such a document if it is not served in accordance with the statute and arises from photo enforcement.

Section 28-1593(A) provides that

[a] traffic complaint may be served by delivering a copy of the uniform traffic ticket and complaint to the person charged with the violation or by any means authorized by the rules of civil procedure. At the discretion of the issuing authority, a complaint for a violation issued after an investigation in conjunction with a traffic accident may be sent by certified mail, return receipt requested and delivered to addressee only, to the address provided by the person charged with the violation.

However, “[i]f a law enforcement agency issues a citation as a result of a photo enforcement system” and serves that complaint in a manner “other than” the ones that § 28-1593(A) prescribes, “the agency shall inform the person that there is no obligation to identify the driver or respond to the citation.” A.R.S. § 28-1593(C).(1) It must also inform the recipient that “[f]ailure to respond to the citation will result in the probability that the person will be formally served pursuant to state law and the Arizona rules of civil procedure which will likely result in the person being required to pay the costs of the service.” Id.(2)

A related statute, A.R.S. § 28-1602, provides for notices of violation “obtained using a photo enforcement system.” A “notice of violation is “a notice issued by a photo enforcement company or municipality that is not a uniform traffic ticket or complaint.” A.R.S. § 28-1602(C). Such notices “must state” that “[t]he notice is not a court issued document and the recipient is under no obligation to identify the person or respond to the notice” and that “[f]ailure to respond to the notice may result in official service that may result in an additional fee being levied.” A.R.S. § 28-1602(B).

Conclusion

Law enforcement agencies and those with whom they contract for services who do not serve photo-enforcement-generated traffic complaints pursuant to § 28-1593(A) must provide the information that § 25-1593(C) requires with the traffic complaint if the traffic complaint is served by some other means. Notices of violation issued in conjunction with photo enforcement systems by municipalities or photo enforcement companies must include the statements required by A.R.S. § 28-1602(B).

Thomas C. Horne

Attorney General

Providing the uniform traffic citation and complaint generated from photo enforcement by means other than those permitted under § 25-1593(A) does not satisfy the statute’s service requirements. See A.R.S. § 28-1593(C) (noting that where service is attempted by other means, recipient need not respond and may be “formally served.”).

In contrast, standing and parking complaints “may be sent by regular mail to the address provided to the department by the individual made responsible for the alleged violation by the applicable statute or ordinance” and “[s]ervice of the summons and complaint is complete on mailing.” A.R.S. § 28-1591(C).