Featured applications Highway Portal Information about this project will be provided soon. I-Sites Coming soon. Geospatial data news 2011 Corporation Lines available in shapefile format Turbine data download change 2011 GIMS data is available in shapefile format 2013-2017 Program Management (5 Year) in shapefile, KML and KMZ formats 2011 Aviation data is available in shapefile format FAA Wind Turbine data is now available Web services REST services Iowa DOT REST directory DNR REST directory Links Iowa Geographic Map Server The Federal Geographic Data Committee Geodata.gov