Iowa Department of TransportationThis service will be deprecated on or about June 1, 2021. Please use the new service here .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/c32cca85bcb04abbbfdf1da08074745d_0engIowaDOT Open DataPublicRoad Weather Information System (RWIS) - Subsurface Data (Deprecated 6/2021) [Iowa]Web servicesIowa2021