The Arizona Proposition 319 ballot measure, legislatively referred via SCR 1004 and scheduled for the November 3, 2026 general election, would prohibit new photo enforcement systems for speed and red-light violations while requiring local voter approval every ten years for programs under contract by December 31, 2026. Republican legislative majorities advanced the measure on party-line votes, citing due process, privacy, and revenue concerns, consistent with prior unsuccessful attempts to restrict automated enforcement. Existing systems in cities such as Phoenix and Tempe have demonstrated collision reductions according to local officials, yet those jurisdictions have adopted neutral positions on the statewide proposition itself. Trader consensus reflected in the 79.5% implied probability for passage aligns with the structural advantage of a Republican-controlled referral process in a state with a Republican lean and limited counter-mobilization reported to date.