King CountyFor more information about this layer please see the GIS Data Catalog . Traffic Count locations for unincorporated areas of King County with ten years of historical data.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/56ef472b3dd94eaf9ee7252ea99f00b3_0engKing County GIS Open DataPublicTraffic Count Locations [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2025-08-01