F1. . .After the formation and completion of such private roads and ways the same shall be maintained and kept in repair by and at the expence of the owners and proprietors for the time being of the land inclosed, or such of them, and in such shares and proportions, and in such manner, as the valuer shall direct; and after such private roads and ways shall have been set out and made the grass and herbage arising shall for ever belong to and be for the use of such persons interested in the lands to be inclosed as the valuer shall direct, and in the absence of such direction shall belong to the proprietors of the land to be inclosed which shall next adjoin the said roads and ways on either side thereof as far as the crown of the road and after such setting out as aforesaid all private or occupation roads or ways over, through, and upon the lands to be inclosed which shall not be set out as aforesaid shall be for ever stopped up and extinguished.