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TRB’s National Cooperative Highway Research Program (NCHRP) Report 506: Quality and Accuracy of Positional Data in Transportation presents guidance for practitioners on the use of positional, or spatial, data in Geographic Information Systems for transportation applications.

Supporting Software-GIS Error Model

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2003. Quality and Accuracy of Positional Data in Transportation. Washington, DC: The National Academies Press. https://doi.org/10.17226/21953.

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Publication Info

8.5 x 11 |  DOI: https://doi.org/10.17226/21953
Chapters skim
Front Matter i-vii
Summary 1-3
Chapter 1 - Introduction and Research Approach 4-5
Chapter 2 - Findings 6-44
Chapter 3 - Interpretation, Appraisal, and Applications 45-60
Chapter 4 - Conclusions and Suggested Research 61-62
References 63-66
Abbreviations and Acronyms 67-67
Appendix A - Prototype Data Error Model (GisError) User Guide 68-71
Appendix B - Results of Case Studies 72-92
Appendix C - Questionnaire for State DOT Interviews 93-98

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