This synthesis presents information on visualization; the visual representation of proposed alternatives and improvements and their associated effects on the existing surroundings. It focuses on the best practices and experiences to date within transportation agencies that are developing and incorporating visualization into the project development process. The report provides an overview, details case studies, addresses the challenges of visualization, and compares the results with a similar study from 1996. This synthesis report was developed by conducting interviews with various transportation http://www.trb.org/publications/nchrp/nchrp_syn_361.pdfagencies, universities, and consultants throughout the United States. A survey questionnaire was distributed in advance of the interviews to assist in the preparation. Charles L. Hixon, III, Bergmann Associates, Rochester, New York, collected and synthesized the information and wrote the report, under the guidance of a panel of experts in the subject area. The members of the oversight panel are acknowledged on the preceding page. This synthesis is an immediately useful document that records the practices that were acceptable within the limitations of the knowledge available at the time of its preparation. As progress in research and practice continues, new knowledge will be added to that now This report may be accessed by Internet users at at hand. (Author/publisher)
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