FlyerTalk Forums - View Single Post - Business Insider: Every airport runway has 2 numbers on it — here’s why
Old Jun 17, 2017 | 9:33 am
  #9  
Kagehitokiri
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Join Date: Jun 2006
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Runways are named by a number between 01 and 36

A runway can normally be used in both directions, and is named for each direction separately
paro is probably one direction as well
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