The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Scheduled, per the Public Transit Revenue Measure District: the tax is "subject to voter approval at the November 3, 2026, statewide general election", and on 24 July the district asked the five counties to consolidate the special election "with the November 3, 2026, statewide general election".
Encyclopedia summary of SB 63: 14-year tax, rates by county, MTC's $980M a year estimate and the accountability conditions.[1]
BART's figures for what the measure would bring ($74M in FY27, $310M a year from FY28) and the station closures if it fails.
Campaign-season coverage with Lurie, Wiener and Arreguín on the stakes of the Regional Transit Measure and Prop H, and an opponent's view.[1]
Explains the November vote: needs a simple majority, Contra Costa the toughest electorate, MTC polling at 58%.[1]
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