Map of snowplows working in Iowa including images from them 
Go to http://iowadot.maps.arcgis.com/home/ and hit the right scroll a couple of times on Featured Apps (direct link http://iowadot.maps.arcgis.com/apps/webappviewer/index.html?id=3d5bc4ec8c474870a19c7e8f44b39c9c - but Iām not sure it will work).