36166
This would require either equipment upgrades of the existing fleet , or a new fleet equipped for both ERTMS and the domestic signalling systems used by Nederlandse Spoorwegen .
 Nederlandse Spoorwegen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nederlandse Spoorwegen