363294
The Intermodal Surface Transportation Efficiency Act of 1991 ( ISTEA ) authorized $ 725 million in funds for maglev research , pending the results of the NMI study , but an appropriation of funds was also required , and it 's not clear if that ever occurred .
 Transportation
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Transportation