Overview
- Backers kicked off a five-county day of action in San Francisco, where Senators Scott Wiener and Jesse Arreguín joined mayors Daniel Lurie and Barbara Lee, unions, and business groups to start petitioning.
- Organizers must gather 186,000 valid signatures by early June to place the measure on the November 2026 ballot.
- The proposal would levy a half‑cent sales tax in Alameda, Contra Costa, San Mateo, and Santa Clara counties and a one‑cent tax in San Francisco, raising about $1 billion annually for 14 years.
- Transit agencies warn of possible service reductions before any ballot funds arrive in early summer 2027, including major cuts at MUNI and AC Transit and weekend or line eliminations at BART.
- A $750 million state loan approved last year remains unsettled as negotiations continue over funding sources, and the campaign reports nearly $3 million raised for signature gathering with early support from labor and major donors.