Edit this Published in Freakonomics Radio Mass Transit Hysteria Listen 6 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe width="600" height="130" frameborder="0" scrolling="no" src="//www.wnyc.org/widgets/ondemand_player/wnyc/#file=json/250809"></iframe> Share on Facebook Share on Twitter Email a Friend Adding more train and bus lines looks like an environmental slam dunk. Until you start to do the math.