Cal. Sts. & Hy. Code § 2210
From nonfederal funds in the State Highway Account in the State Transportation Fund appropriated to match the funds apportioned pursuant to Section 2208, the commission shall allocate to each county an amount, not to exceed one hundred thousand dollars ($100,000) each fiscal year, equal to 50 percent of the amount allocated to the county pursuant to that section. The amount shall not be reduced by any exchange of funds made pursuant to Section 2209. All funds allocated pursuant to this section shall be included in the computation of compliance with the requirements of Section 188. Funds allocated pursuant to this section shall be used to match federal funds. Any excess may be used for any highway construction purpose.
Ca. Sts. and High. Code § 2210