(Statewide/Rural surveys were not conducted in 2005.)
Crash Prevention and Safety South Dakota Department of Transportation 2004 2006 Operations and Maintenance South Dakota Department of Transportation 2004 2006 Traffic Management South Dakota Department of Transportation 2004 - Not surveyed in 2006 Traveler Information South Dakota Department of Transportation 2004 2006 Surface Transportation Weather South Dakota Department of Transportation 2004 2006