King CountyFor more information about this layer please see the GIS Data Catalog . The feature class is the asset inventory for ADA Ramps within unincorporated King County. This data begins as an event table and edited via the Roads Asset Event Editor application. A nightly process places the events on roadsegment_route feature class to be exported to a feature class in the RoadsGIS geodatabase.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/d9049edf5a28477595c96d546f1fe689_0engKing County GIS Open DataPublicADA Ramps maintained by King County Road Services [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2026-01-06