Rudolph Penner, former director of the Congressional Budget Office and Arjay and Frances Miller Chair in Public Policy at the Urban Institute
Larry Roth, deputy executive director of the American Society of Civil Engineers
William Buechner, vice president for economics and research, The American Road & Transportation Builders Association
Robert Poole, transportation expert at Reason Foundation and advisor to the Federal Highway Administration.
This program aired on August 8, 2007. The audio for this program is not available.