All tolls or other revenues received from the operation of the toll tunnel shall be paid over by the department at least monthly to the treasurer who shall deposit them forthwith in such depositary or depositaries as are authorized by law to receive deposits of state funds, to the credit of a special fund to be designated as the toll revenue fund of the toll tunnel, which fund shall at all times be kept segregated and set apart from all other funds.

(Added by Stats. 1968, Ch. 923.)