The Advance Mitigation Account is hereby created in the State Transportation Fund as a revolving fund. Notwithstanding Section 13340 of the Government Code, the account shall be continuously appropriated without regard to fiscal years for purposes of the Advance Mitigation Program. The activity of the account shall be reported to the commission. The program is intended to become self-sustaining. Expenditures from the account shall later be reimbursed from project funding available at the time a planned transportation project is constructed.