Ohio Rev. Code § 5552.11: Rules of construction.

(A) No access management regulation, or amendment to an access management regulation, adopted under section 5552.02 of the Revised Code shall be construed to affect any access point that exists, or on which construction has begun, before the effective date of the regulation or amendment.

(B) Division (A) of this section does not prohibit access management regulations adopted under section 5552.02 of the Revised Code from regulating the reconstruction or relocation of access points or from applying when land use is changed in a way that significantly increases the types of traffic or traffic volume on a street or highway.

(C) No access management regulation, or amendment to an access management regulation, adopted under section 5552.02 of the Revised Code shall be construed to affect the state highway system or modify any access management standards or procedures established by the director of transportation under sections 5501.31 and 5515.01 of the Revised Code.

(D) No access management regulation, or amendment to an access management regulation, adopted under section 5552.02 of the Revised Code shall apply to any streets, highways, or other roadways located in a municipal corporation.