$3.5 billion in funding for some of these projects will come from Measure RR, which was passed in November 2016 with over 2/3 of the vote in BART's three-county District. Read the cost details here, the resolution here, and find out the financial details on the main site. 

In 2017 we establish an independent Bond Oversight Committee (BOC) to verify BART spends the bond revenues as promised. It is comprised of seven members who represent a diversity of expertise, geography and demographic characteristics. The duties and responsibilities of the BOC are to: provide diligent, independent and public oversight over the expenditure of funds from the sale of District general obligation bonds; assess how bond proceeds are spent to ensure that all spending is authorized by the ballot measure; sssess whether projects funded by bond proceeds are completed in a timely, cost-effective and quality manner consistent with the best interest of BART riders and District residents; and publish an annual report that includes a detailed account of the Committee’s activities including its expenditures.