Bars taxes based on miles driven and nonconsensual government mileage monitoring, with exceptions for government vehicles and certain interstate commercial vehicles.
Vehicle mileage taxes and monitoring
At a glance
Constitutional amendment- Does it raise taxes?
- No. Bans future taxes or fees based on miles driven; it doesn’t create a tax.
- Estimated cost or revenue
- Not yet verified
- Who pays
- No new payer established.
- Where the money goes
- Affects future transportation funding options.
- How long
- Constitutional restriction; no sunset specified.
Worth knowing: No quantified fiscal estimate verified.
From the Arizona Legislative Council and the state’s fiscal analysis. Estimates are the state’s, not ours.
Your choice
Saved privately on this device.What your vote does
Keeps existing constitutional provisions on taxation.
Does not repeal the gasoline tax.
How the money works
Cost, who pays and where the money goes are in “At a glance” above.
What your guides say
No guides selected yet. Pick guides to compare.
Why they disagree
Supporters oppose government tracking of how far people drive and want to keep a mileage-based tax off the table.
Supporters (summary)Opponents say everyone who uses the roads should help pay for them, including electric vehicles, and gas-tax revenue already isn’t keeping up with road costs.
Opponents (summary)Who’s funding it
We haven’t loaded campaign-finance filings for Proposition 141 yet. You can look them up directly:
Sources
- Arizona Legislative Council
Official analysis: Proposition 141 · ballot-facts
Checked Oct 31, 2026 - Arizona Secretary of State
2026 election source · ballot-facts
Checked Oct 31, 2026