California Code, Streets and Highways Code - SHC § 30503

Thecommission may enter into a binding agreement with any city, county, district, or political subdivision of the state to repay any money or the value of any rights-of-way, labor, materials, or other property advanced or contributed toward the expense of acquiring or constructing any toll bridge or other highway crossing, or the transportation facilities thereof or thereto, acquired or constructed pursuant to this chapter, but no repayment therefor shall be made until all obligations issued by thecommission for the acquisition or construction ofthe toll bridge or other highway crossing, and the transportation facilities thereof or thereto, have been fully redeemed and paid, and then only out of the tolls and revenues received from the operation ofthe toll bridge or other highway crossing.