Iowa Department of TransportationGrain elevators in Iowa. This data is part of Iowa's multimodal freight network. These facilities are important for the safe and efficient movement of freight that is demanded by Iowa's large and diverse economy.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/0ea336b721cb46ce93acce8dc49e8701_0engIowaDOT Open DataPublicFreight Grain Facility [Iowa]Web servicesIowaLast Modified: 2026-01-02