Daniel Carter, P.E., is a senior research associate with the UNC Highway Safety Research Center. He handles data collection and analysis for projects involving roadway and safety data, GIS data and countermeasure evaluation. Mr. Carter manages the FHWA Crash Modification Factors Clearinghouse and has been involved with numerous projects dealing with CMFs, including CMF development protocols for NCHRP 20-7 and a series on CMFs in practice for FHWA. He has been involved for years with TRB committees focused on the topic of CMFs, particularly the Highway Safety Performance Committee. Mr. Carter has also been involved with several projects which focused on safety evaluations of various countermeasures. He has been integrally involved with a series of FWHA projects, Evaluation of Low Cost Safety Strategies, which focus on evaluating the crash saving benefits of low cost safety strategies, such as signing, striping, and flashing beacons.

Karen Scurry, P.E., is a transportation specialist with the Federal Highway Administration’s Office of Safety. Her primary duties involve activities to support implementation of the Highway Safety Improvement Program and promoting the use of crash modification factors in the decision making process. Prior to joining the Office of Safety, Karen served as the Traffic Operations and Safety Engineer in the New Jersey Division office. In this capacity, she managed the federal safety program and provided technical expertise on a variety of transportation safety related topics. Prior to joining FHWA, Karen worked as a transportation planning and traffic engineering consultant. Karen holds both a bachelors and masters degree in Civil Engineering from Rutgers University. She is a registered Professional Engineer in the State of New Jersey.