Transportation Data, GIS, and Modeling Group2018 estimated Annual Average Daily Traffic volumes along the state highway system. Data represents all directions of travel for the given roadway segment.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/50c21c2bb7ac475b89a15a46261c2352_5engState of Washington Geospatial Open Data PortalPublicWSDOT - Historic Traffic Sections 2018 [Washington (State)]Web servicesWashington (State)2018