tributions to the study of public administration. She received a PhD from Radcliffe College.

David J. Forkenbrock is Director of the Public Policy Center and Professor of Urban and Regional Planning and of Civil and Environmental Engineering at the University of Iowa. His research is in transportation finance and policy issues related to the pricing of and investment in transportation facilities. He recently completed a multiyear research project sponsored by a consortium of 15 state transportation departments and the Federal Highway Administration on new approaches to assessing road user charges. Professor Forkenbrock was the Chair of the Transportation Research Board (TRB) Committee to Review the Highway Cost Allocation Study and is a former Chair of the TRB Committee on Transportation Economics. He holds a PhD from the University of Michigan.

David A. Galt was Director of the Montana Department of Transportation from 2001 until December 2004. In 2005 he became Executive Director of the Montana Petroleum Association. Formerly he was Executive Director of the Montana Motor Carriers Association (2000) and Motor Carrier Services Administrator of Montana (1990 to 2000), overseeing regulation and permitting of truck operators in the state. He has been a leader in efforts to develop and apply information technology to motor carrier regulatory enforcement. He received a BA in business administration from Carroll College.

Shama Gamkhar is Associate Professor of Public Affairs at the Lyndon B. Johnson School of Public Affairs of the University of Texas, where she teaches courses in government financial management and environmental economics. Her research is on the effects of federal grant programs on state and local government finance, including highway finance. She has been on the faculty at the LBJ School since 1996. She received a doctorate in economics from the University of Maryland and master’s degrees from the Delhi School of Economics and the University of Bombay.

Thomas D. Larson is a transportation consultant and former Administrator of the Federal Highway Administration (1989 to 1993). He served as Secretary of Transportation for the Commonwealth of Pennsylvania from 1979 to 1987. Before entering government, he was Institute Professor of Civil Engineering at Pennsylvania State University and Director of the Pennsylvania Transportation Institute. Dr. Larson is a Past Chair of the TRB Executive Committee and of the National Research Council’s Strategic Highway Research Program Executive Committee and served as President of the American Association of State Highway and Transportation Officials. He is a member of the National Academy of Engineering.