David T. Hartgen is Emeritus Professor of Transportation Studies at UNC Charlotte. Professor Hartgen is widely known in transportation circles. He established UNC Charlotte's Center for Interdisciplinary Transportation Studies in 1989 and now teaches and conducts research in transportation policy and planning. He is the author of about 330 studies on a wide variety of topics in transportation policy and planning, is the U.S. editor of the international academic journal Transportation, and is active in professional organizations. He is a frequent media interviewee in local and national outlets. Before coming to Charlotte he directed the statistics, traffic forecasting and analysis functions of the New York State Department of Transportation and served as a Policy Analyst at the Federal Highway Administration. He holds engineering degrees from Duke University and Northwestern University. He has taught at SUNY Albany, Union College and Syracuse University and lectures widely. His studies of the comparative performance of transportation systems have received nation-wide attention. He has also recently completed a major component of Reason's Mobility Study that estimates the cost of significantly reducing road congestion nation-wide, a comprehensive study of congestion in North Carolina, and a comparative study of the 50 state highway systems . His current research includes an assessment of the economic impact of highways in South Carolina, a review of transportation performance for the provinces of Canada, a national study of business impacts of congestion, and an assessment of congestion in mid-sized cities.