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Transportation Development Act Funds

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The Transportation Development Act (TDA) is administered by Regional Transportation Planning Agencies (RTPA) such as the Sacramento Area Council of Governments (SACOG). It provides two major sources of public transportation funding in California.

  • Local Transportation Fund (LTF), enacted in 1972
  • State Transit Assistance (STA) fund, enacted in 1980

Explanations of these funds and annual apportionments for each jurisdiction are provided below and published annually.

Specifics on TDA statute can be found in the Transportation Development Act Statutes and California Code of Regulations published annually by Caltrans and can be accessed online. SACOG has also adopted specific guidelines for regional TDA implementation detailed in the TDA Guidelines. A detailed description of the law and the funds are described in the introduction of the Guidelines.

TDA Claim Forms

To complete a TDA claim, use the following documents as a guide: 

  • TDA Claim Packet includes a check list and forms that must be completed when submitting a claim. 
  • 10-Year Plans is a spreadsheet template to report fleet management plans, funding, and expenditures. 
  • STA Calculations is a spreadsheet template to calculate operating costs versus revenue vehicle hours. 

Current and Historical New Findings of Apportionment

Unmet Transit Needs

Part of SACOG’s responsibility under TDA is to conduct an annual Unmet Transit Needs process to determine whether jurisdictions allowed to use the remaining TDA funds for streets and roads projects can do so and identify new transit needs in the region. Annual public hearings are held to collect public testimony on transit needs.

Contact SACOG regarding TDA Claims or Questions:

Email: TDAclaims@sacog.org
Phone: (916) 321-9000

Triennial Performance Audit

The Transportation Development Act (TDA) requires SACOG to conduct a performance audit of transit operators who receive TDA funding every three years. The audits highlight key trends that may have an impact on an operator's ridership and financial performance. For more information, see the Performance and Oversight page.