Ohio Rev. Code Ann. § 5501.73
(B)
(1) A public-private agreement under this section shall provide for all of the following:
(C) A public-private agreement under this section may provide for any of the following:
(D)
(1) The director of transportation may include in any public-private agreement under sections 5501.70 to 5501.83 of the Revised Code a provision authorizing a binding dispute resolution method for any controversy subsequently arising out of the contract. The binding dispute resolution method may proceed only upon agreement of all parties to the controversy. If all parties do not agree to proceed to a binding dispute resolution, a party having a claim against the department shall exhaust its administrative remedies specified in the public-private agreement prior to filing any action against the department in the court of claims. No appeal from the determination of a technical expert lies to any court, except that the court of common pleas of Franklin County may issue an order vacating such a determination upon the application of any party to the binding dispute resolution if any of the following applies: