United States Department of Transportation
i
Assessment of the Geographic Information Systems’ (GIS) Needs and Obstacles in Traffic Safety
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2013-10-01
[PDF-1.34 MB]
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TRIS Online Accession Number:1500065
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Abstract:A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data visually. The objective of this project was to assess GIS practices, needs and obstacles, and opportunities in traffic safety programs and recommend ways to improve the state-of-the-practice in GIS use for highway safety analysis and decisionmaking at the State and local level. The project included a literature review and summary of relevant peer exchanges along with a Marketing, Communications, and Outreach Plan. These resources have been summarized in this final report to help guide future Federal Highway Administration (FHWA) efforts to best support the needs of State and local agencies as they develop and improve their GIS programs for safety. Key findings are that States are not generally using the full capabilities of modern GIS software to support advanced safety data analysis (such as the techniques suggested in the Highway Safety Manual), but that most States are looking forward to enhancing their GIS and making use of advanced techniques in the future. States are aware of the MAP-21 requirements for statewide basemaps and a linear reference system that includes all public roadways, but cite administrative and technical barriers to success. The report includes recommendations for FWHA to help agencies overcome these challenges including tools, marketing and training, and research to fill gaps in knowledge.
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