(a) The county courts shall have the power, and it is required, to appropriate all moneys collected under this act as road tax to the opening, construction, and repair of roads in the road districts in the county when they may have been collected.
(b) The county court or county judge shall order and direct the county highway commission, or overseers of each road district wherein the opening, constructing, or repairing of roads is to be done, to make the contract for such opening, constructing, or repairing in such manner as the county court or county judge may direct and to superintend and direct it, and when it is done, to report under oath in writing to the court.
(c) When it appears and the county court is satisfied that the contract has been faithfully performed, the county court shall direct the clerk to draw a warrant in favor of the party with whom the contract was made, on the county treasurer, for the amount due on the contract, and the county treasurer shall be directed to pay the amount out of the road fund in the county treasurer's hands.
(d) The county court may expend all or any part of the road fund in opening, constructing, and repairing roads through, by, and under the county highway commission, without reference to contracts.