Originally Posted by
sydneyracquelle
Concourse D has historically had narrower walkways based on its original intent of only O and D traffic for non-hub carriers. It is the worst of all the Concourses. Even the D SC only has one unisex bathroom. The other Concourses are all much nicer.
Only one has the small SC and one bathroom. The other "basement" location on D is hands down my favorite SC. (Generally not crowded with I believe 7 bathrooms)