for CalTrans. Previously Dr. Carter was associate professor of mathematics, physics and meteorology at Sierra Nevada College in Incline Village, Nevada. She also was an associate scientist at the Atmospheric Sciences Center at the University of Nevada’s Desert Research Institute. Dr. Carter received her Ph.D. in physics from the University of Nevada.

Dennis L. Christiansen has been a member of the staff of the Texas Transportation Institute for 30 years. He is presently deputy director of the institute and has overall responsibility for research on transportation operations, planning, and economics. The institute is currently undertaking a project to implement intelligent transportation systems to detect weather conditions in rural Texas. Dr. Christiansen has extensive research experience in several areas, including traffic operations, transportation planning, and transit planning. He has specialized in multimodal research with an emphasis on identifying cost-effective approaches to urban mobility concerns. His projects have addressed areas such as roadway operations and design; transportation and energy relationships; the potential role for a system of strategic arterial streets; and urban goods movement. Dr. Christiansen is recognized as an international expert in the planning, design, operation, and evaluation of preferential facilities for high-occupancy vehicles. He is a recipient of the Transportation Research Board’s Fred Burgraff Award. He is presently a member of the Board of Direction for the International Institute of Transportation Engineers. He has also served on the Transportation Research Board’s Committee for the Study of the Regulation of Weights, Lengths, and Widths of Commercial Motor Vehicles and currently serves on that board’s Research and Technology Coordinating Committee.

Bradley R. Colman is the Science and Operations Officer at the National Oceanic and Atmospheric Administration (NOAA)/National Weather Service (NWS) Seattle–Tacoma Weather Forecast Office in Seattle, Washington, and an associate professor with the University of Washington’s Department of Atmospheric Sciences. Dr. Colman’s expertise is in operational weather analysis and forecasting, coastal and mountain meteorology, and numerical weather prediction. He has taught extensively within the operational community, particularly through the Cooperative Program for Operational Meteorology, Education and Training (COMET) in Boulder, Colorado. Prior to his current appointment with NOAA/NWS, Dr. Colman was a research meteorologist with NOAA’s Forecast System Laboratory. Dr. Colman has recently co-edited a two-volume Handbook of Weather Cli-



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