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Its main line is planned to be upgraded as part of the MidAmerica Corridor , an initiative by the Canadian National Railway and Norfolk Southern Railway to improve rail service between Illinois and the Southeast .
 Canadian National Railway, Norfolk Southern Railway, Illinois, Southeast
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Canadian National Railway, Norfolk Southern Railway, Illinois, Southeast