This is what a designer's true work is! Solve a problem - bring clarity and form to chaos. While the problem "too simple" was a UX thing.
World of designers need more examples like this, especially in web and User Interface designs - where they think "Photoshop Magic" or "detailed icon sets" are the key and not solving the problem.
Particularly up in the Bronx, there are still the wonderful serifed mosaics that the author mentions only in passing, and that to me speak more on the enduring New York:
http://www.flickr.com/photos/70323761@N00/192331109
The nice comparison chart there shows that, for the purposes of signage, the difference is academic. The sign for the G train set in Arial or Helvetica will make no difference for riders. Or "Exit" in Arial or Helvetica... no perceptible difference.
World of designers need more examples like this, especially in web and User Interface designs - where they think "Photoshop Magic" or "detailed icon sets" are the key and not solving the problem.