Does the New York Subway have a logo? I know the MTA does (it's kinda cool) but most New York subway street signs just have little roundels indicating the vario

Does the New York Subway have a logo? I know the MTA does (it's kinda cool) but most New York subway street signs just have little roundels indicating the various lines through the station. http://www.nyhabitat.com/blog/wp-content/uploads/2014/04/etiquette-guide-new-york-times-square-subway.jpg http://www.nyhabitat.com/blog/wp-content/uploads/2014/04/eti... Maybe the Subway doesn't have its own logo.