Case study on highway alignment using gis

Vertical alignment, which includes vertical grades and lengths, is a critical aspect of highway design policy that influences safety. A full understanding of the effect of vertical grade and segment length on highway safety can help agencies to evaluate or adjust their design policies regarding vertical alignment design features grade and length. For this reason, it is useful to assess the current relationships between design policy and safety performance. To address this task, this paper uses data from interstate segments to first establish the relationship between these design features and safety.
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National Highway Alignment Using Gis

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Case studies are specific examples of how GIS was used to solve a problem or made information sharing easier in a particular industry. The Library has a collection of books which illustrate a number of case studies. These case studies can also provide you with inspiration for your own GIS projects. This is not the complete list of case studies available, but those listed should help you with ideas. Looking for statistics or data to actually map? Look here. Looking for GIS case studies on the Internet?
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Optimal Route Location by Least Cost Path (LCP) Analysis using (GIS), A Case Study

To browse Academia. Skip to main content. Log In Sign Up. Download Free PDF. Niladri Gupta.
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The selection of an appropriate alignment for a proposed highway is determined largely by relating topographic, urban, and environmental features to geometric design controls. Typically, aerial photographs and topographic, geologic, and soil maps are reviewed. In this paper, a geographic information system GIS platform that incorporates the main coverages needed for evaluating route alignments is described. Using the GIS and a geographically referenced database, a decision-aid tool for multicriteria evaluation of route alignments is developed.
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