Constitution of the State of Ohio Art. I, § 19

Private property shall ever be held inviolate, but subservient to the public welfare.  When taken in time of war or other public exigency, imperatively requiring its immediate seizure, or for the purpose of making or repairing roads, which shall be open to the public, without charge, a compensation shall be made to the owner, in money, and in all other cases, where private property shall be taken for public use, a compensation therefor shall first be made in money, or first secured by a deposit of money, and such compensation shall be assessed by a jury, without deduction for benefits to any property of the owner.