Columbus, Ohio Wins U.S. Smart City Challenge Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Today, the Department of Transportation announced that Columbus, Ohio has beat out the competition to win the DOT's "Smart City Challenge," and will be awarded $50 million in grants. ( Randall Vermillion / Shutterstock ) Produced by PRI and WNYC