In this month's podcast episode, we consider questions like: How much does it cost exactly to build a cellular network underground? Can sensors really improve the grim state of Atlanta traffic? What do we mean by “intelligent transportation”? And perhaps the greatest mystery of all: is “smart city” the new “cloud”?

Starting last fall, MARTA has found many willing helpers in the Atlanta technology community. Teaming up with Sandbox ATL, Code for Atlanta, Hack GT and other community groups, MARTA launched a yearlong strategic technology initiative to create the next great thing in Atlanta transit.