The following groups join TRANSDEF in opposition to Regional Measure 3:
Taxpayer Groups
Alameda County Taxpayers Association
Contra Costa Taxpayers Association (CoCo Tax)
Coalition of Sensible Taxpayers (CO$T)
Howard Jarvis Taxpayers Association
Napa County Taxpayers Association
Silicon Valley Taxpayers Association
Solano County Taxpayers Association
Nine-County Coalition
Political Parties
East Bay Stonewall Democratic Club
San Francisco Libertarian Party
Alameda County Republican Party
Republican Party of Contra Costa County
Marin County Republican Party
San Francisco Republican Party
Santa Clara County Republican Party
San Mateo County Republican Party
Solano County Republican Party
Napa County Republican Party
Sonoma County Republican Party
Organizations
Coalition for San Francisco Neighborhoods
Bay Area Transportation Working Group (BATWG)