Rail line through a mountain, e.g. Answer

Rail line through a mountain eg Crossword Clue

Clue of Up and Down Words Game in USA Today Puzzles. After playing around with today’s puzzle we were able to crack and find the correct solution and post it here. Please note that before posting it here we have checked in with the game to confirm that the 12 letter answer was indeed the correct one that solved this particular clue.

  • TRAIN TUNNEL
 

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