Science Friday Edit this Published in Science Friday Reinventing How City Dwellers Get Around Listen 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/381277"></iframe> Share on Facebook Share on Twitter Email a Friend Portland, Oregon, is a hotbed for transit innovation. Will other cities catch on?