Primary Outlet: WAMU (Washington DC)Broadcast Date: Tuesday, April 29, 2014 - 10:00amProgram: Diane Rehm ShowBroadcast Type: interviewBroadcast Format: radioScholar: Edwards, ChrisSubjects: the transportation infrastructureResearch Area: Government and PoliticsRegulatory StudiesTax and Budget PolicyLink: http://www.cato.org/multimedia/media-highlights-radio/chris-edwards-discusses-tr…