Please find below the Underground rail system answer and solution which is part of Puzzle Page Daily Crossword December 3 2019 Answers. This Underground rail system was one of the most difficult clues and this is the reason why we have posted all of the Puzzle Page Daily Crossword Answers every single day. In case something is wrong or missing kindly let us know by leaving a comment below and we will be more than happy to help you out.
Underground rail system crossword clue
ANSWER: METRO
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