Ohio Rev. Code Ann. § 735.21

The platting commissioner of a city, at least once each week during the six-weeks period provided under section 735.20 of the Revised Code, at the time and place stated in the advertisement, and at such other times and places as he deems proper, shall hear any objections that are made against any portion of the plat, or the location of any avenue, street, roadway, or alley, and such alterations may be made as he deems proper.