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The Delaware Department of Transportation had 330 " snow plows ready to clear roads , though many areas were expected to be impassible on January " 23 .
 Delaware Department of Transportation
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Delaware Department of Transportation