Iowa Department of TransportationSalt and Brine location for Iowa DOT facilities. Designed as a geofence to cover the plot of land each structure is on to be used as a trigger for trip start and stop in the GPS AVL system for snow plows at Iowa DOT.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/03523d777627459cabbf4a2fdaa6aa76_0engIowaDOT Open DataPublicFacilityGeoFence [Iowa]Web servicesIowaLast Modified: 2019-05-14