Whenever any public road has been laid out through any enclosed, cultivated, or improved lands, pursuant to this chapter and the decision of the board laying out the road has not been appealed from, the board shall give the owner or occupant of the land through which the road is laid out thirty days’ written notice to remove the owner’s or occupant’s fences. If the owner does not remove the fences within thirty days after the notice, the board shall cause the fences to be removed and shall direct the road to be opened and worked, but no enclosure may be ordered opened between April first and October first.