Cal. Const. art. XIX B, § 2
(b)
(2) For the 2008–09 fiscal year and each fiscal year thereafter, moneys in the Transportation Investment Fund shall be allocated solely for the following purposes:
(c) For the 2008–09 fiscal year and each fiscal year thereafter, moneys in the Transportation Investment Fund are hereby continuously appropriated to the Controller without regard to fiscal years, which shall be allocated as follows:
(d) The Legislature may not enact a statute that modifies the percentage shares set forth in subdivision (c) until all of the following have occurred:
(e)
(f) This section constitutes the sole method of allocating, distributing, and using the revenues described in subdivision (a). The purposes described in paragraph (2) of subdivision (b) are the sole purposes for which the revenues described in subdivision (a) may be used. The Legislature may not enact a statute or take any other action which, permanently or temporarily, does any of the following:
(g) For purposes of this article, “mass transportation,” “public transit” and “mass transit” have the same meanings as “public transportation.” “Public transportation” means:
(1)