*[http://metrocouncil.maps.arcgis.com/apps/OnePane/basicviewer/index.html?appid=0986d12db7b94064a5c3b52cd8351dab Twin Cities Met Council Functional Class interactive map] Best current source for 7 county metro
*[http://giswebsite.metc.state.mn.us/mapgallery/pdfs/large_reference_fun_class.pdf Twin Cities Met Council Functional Class PDF Map]
*'''Read details before using''' [http://mndotgis.dot.state.mn.us/basemap/ MNDOT interactive basemap] Functional class
is current for 7 county metro, but has obsolete data outside of the 7 county metro. Several other layers are also old and inaccurate such as the speed limit layer. Be careful using this resource.
=== Statewide Minnesota ===