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Inventory of various physical and administrative data related to the roadway networks that are either maintained by or are of special interest to the Ohio Department of Transportation, maintained by the Transportation Information Management Section of the Office of Technical Services, and considered the State’s “official” source for certified mileage, lane miles, Federal Aid eligibility, and HPMS. Update frequency: Annual. For more information, visit: www.dot.state.oh.us/Divisions/Planning/TechServ/Pages/RoadwayInformationManual.aspx |