California Code, Public Utilities Code - PUC § 130304

(a) The county transportation commission shall submit the short-range transportation improvement program prepared pursuant to subdivision (b) of Section 130303 to the multicounty designated transportation planning agency.  The program shall be the county transportation commission's recommendation to the agency regarding that portion of the regional transportation improvement program with respect to short-range objectives applicable to the county under the jurisdiction of the county transportation commission.  The recommended program shall be submitted to the agency in a timely fashion, and the agency shall review and adopt this portion of the regional transportation improvement program in a timely fashion, giving full explanation for any necessary revision of the county transportation commission's recommended program.

(b) The multicounty designated transportation planning agency may revise the submitted transportation improvement program in order to resolve conflicts between the recommended programs or with the adopted regional transportation plan.  In case of a disagreement as to the resolution of such a conflict between the agency and the involved county transportation commissions, the California Transportation Commission shall resolve the conflict.