2026 ballot measure forecast

Arizona Proposition 141

Ban vehicle miles traveled taxes

Bars state and local taxes or fees based on vehicle miles traveled and bars monitoring or limiting mileage without consent. The forecast has Yes at 60.1 percent against the 50 percent it needs, a 84% chance to pass.

Likely to passConstitutional amendment referred by the legislatureOther taxesUpdated October 17, 2026
Chance to pass
84%
2,000 simulations
Forecast Yes
60.1%
80% range 47 to 72
Needs
50%
a simple majority
Polling average
None
No public polls found

County forecast

15 of 15 counties vote Yes
No +30Yes +30Hover a county for its forecast
Where the Yes vote lands
needs 50
2035506580
History and structure
60.1% Yes
Polls
None
Forecast
60.1% Yes
Yes leans
Republican
Rule to pass
Simple majority of votes cast on the measure.
The campaign

Referred by the Republican led Legislature, bypassing Gov. Hobbs. No campaign finance figures found.

Polls of the measure

no polls
PollsterSampleEndedYesNoUndecidedYes, adjusted
No public polls of this measure. The forecast rests on how comparable measures have run and how it reached the ballot.
How this is built
Proposition 141 is forecast as a other taxes measure whose Yes vote leans Republican. Comparable measures from 2018 to 2024 set how far its Yes share moves with Arizona's partisanship and with each county's 2024 presidential vote, and how it reached the ballot moves it further. Polls then pull the forecast toward them by recency and size, after splitting undecided voters two to one for No. Sources: newsfromthestates.com, azfamily.com, axios.com. All measures.