This circular contains research problem statements produced by members and friends of the Transportation Research Board Safety Data, Research, and Analysis Committee (ANB20). This committee is concerned with transportation safety data in general: methods of gathering, storing, and, in particular, using the data for informed decision making. The 12 problem statements contained in this circular cover a broad range of highway safety information issues of concern to the committee. The following are three general categories of problem statements included in this document: 1. Safety data improvement (four problem statements). This group of problem statements relates to improving the quality and accessibility of safety data. 2. Evaluation (two problem statements). This group of problem statements relates to proposed studies of specific safety issues. 3. Methodology (six problem statements). This group of problem statements relates to methods used to quantify safety issues. (Author/publisher)
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