By 2050, there will be 130 million more people in the country, relying on an increasingly aging and inadequate transportation system. The stimulus money is supposed to help— tens of billions of dollars are slated to revitalize states' infrastructure. But how should that money be spent in order to actually reduce congestion? Joining The Takeaway is Miles O’Brien. He's a correspondent for Blueprint America and has just finished a documentary called Road to the Future, which looks at how Denver, Portland, Ore., and New York City are rethinking transit.