Cal. Sts. & High. Code § 149.8
(c)
(1) Pursuant to Section 149.7, the Riverside County Transportation Commission shall have the authority to set, levy, and collect tolls, user fees, or other similar charges payable for the use of the State Highway Route 15 HOT lanes, and any other incidental or related fees or charges, in amounts as required for the following expenditures relative to State Highway Route 15 and for purposes of paragraph (2):
(2) Excess toll revenues beyond the expenditure needs of paragraph (1) may be expended for the following purposes:
(3) The Riverside County Transportation Commission is authorized to issue bonds to finance the costs of the HOT lane facilities on State Highway Route 15, including the costs of issuing the bonds and paying credit enhancement and other fees related to the bonds, which bonds are payable from the tolls authorized in paragraph (1), and any other sources of revenue available to the Riverside County Transportation Commission that may be used for these purposes, including, but not limited to, sales tax revenue, development impact fees, or state and federal grant funds. The bonds may be sold pursuant to the terms and conditions set forth in a resolution adopted by the governing board of the Riverside County Transportation Commission. Bonds shall be issued pursuant to a resolution adopted by a two-thirds vote of the governing board. Any bond issued pursuant to this paragraph shall not constitute a debt or liability of the state and shall contain on its face a statement to the following effect:
“Neither the full faith and credit nor the taxing power of the State of California is pledged to the payment of principal or interest of this bond.”