California Code, Public Utilities Code - PUC § 131107

In an adopted county transportation expenditure plan that provides for the imposition of a retail transactions and use tax, not more than 1 percent of the annual net amount of revenues raised by the tax may be used to fund the salaries and benefits of the staff of the commission or the county transportation authority, as the case may be, in administering the plan and the retail transactions and use tax ordinance.

All other funds, after reimbursement to the county for the cost of conducting the election as provided for in Section 131104, shall be used for the planning, design, construction, and operation of the traffic and transportation projects as set forth in the adopted plan, and shall be allocated according to eligible sponsoring agencies.