Naturalistic Driving Study: Development of the Roadway Information Database (2014) / Chapter Skim
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1Objective The goal of SHRP 2 Project S04A was to design, build, and populate a Roadway Information Database (RID) with data from the SHRP 2 mobile data collection project (S04B)
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244 Point of curvature (PC) ; 44 Point of tangency (PT)
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3 a custom process was developed for checking and analyzing the accuracy of the mobile data by using GIS tools. In addition, to ensure the data collection equipment was operating properly, control sites were set up in each of the six NDS sites.
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4shows how out of 8,414 total curves, only 854 curves meet the selection criteria, which in turn helps focus the research questions and provide a more efficient and convenient process to request NDS data. When the RID is completed in December 2014, a user guidance document, which includes data sources, query examples, roadway-linked NDS data examples, and a step-by-step process to integrate additional data into the RID, will be provided along with the database.
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