FlyerTalk Forums - View Single Post - When flying United out of IAD: Do you take People Mover or Aerotrain?
Old Oct 3, 2010, 12:42 pm
  #12  
Often1
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Join Date: Aug 2010
Location: DCA
Programs: UA US CO AA DL FL
Posts: 50,262
When IAD was first designed, there were no mid-field terminals. The idea was that all flights would board through mobile lounges which would roll directly to the aircraft which would be parked around the field.
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