This image is a derivative work of the following images: File:NYC_subway_late_night_map.svg licensed with Cc-by-sa-3.0 2009-09-24T17:28:54Z CountZ 2500x2700...
Other versions Derivative works of this file: NYC subway late night map June2010.svg http://commons.wikimedia.org/wiki/File:NYC_subway-4b-shrunk-2.svg...
