I'd like to learn more about the etymology. 
 Can you tell me another interesting transportation fact? 
 Oklahoma is a state in the southern part of the Central United States. It's the 20th largest state by area and 28th largest by population. 
 I never knew that! Tell me something about transportation in the state. 
 Any other information on the origin of the word Oklahoma or another etymology fact?
Oklahoma is a state in the southern part of the Central United States. It's the 20th largest state by area and 28th largest by population.