Description: Sections of the Road Inventory that are on the Primary Highway Freight System (PHFS) and part of the National Highway Freight Network (NHFN). The NHFN for Ohio only contains routes on the PHFS. For more information on freight network designations, please visit: https://ops.fhwa.dot.gov/freight/infrastructure/nfn/index.htm Update frequency: Annual.
Copyright Text: ODOT Office of Technical Services and Office of Data Governance