Seneca County OH - GISRoad Centerlines of Seneca County, Ohio, USA. Maintained by the Seneca County Engineer. Last updated 2019. Line Shapefile.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/30deea3be1fc48b09ca08c36ceaf3ea9_0engSeneca County GeoLibraryPublicRoad Centerlines [Ohio--Seneca County]Web servicesOhio--Seneca CountyOhioLast Modified: 2024-08-05