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As-builts, inclusive of utility as-builts—which are the recorded representation of the built or maintained infrastructure and show the actual location, dimensions, geometry, and other attributes of the work as completed—can provide a baseline for new design projects by providing information on current transportation infrastructure and other facilities such as underground and overhead utilities.

The TRB National Cooperative Highway Research Program's NCHRP Synthesis 600: Practices for the Collection, Use, and Management of Utility As-Built Information aims to document current state departments of transportation practices related to utility as-built data collection, use, and management.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2023. Practices for the Collection, Use, and Management of Utility As-Built Information. Washington, DC: The National Academies Press. https://doi.org/10.17226/27034.

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Publication Info

102 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/27034
Chapters skim
Front Matter i-viii
Summary 1-2
Chapter 1 - Introduction 3-4
Chapter 2 - Literature Review 5-14
Chapter 3 - State of the Practice 15-27
Chapter 4 - Case Examples 28-48
Chapter 5 - Summary of Findings 49-51
References 52-53
Acronyms and Abbreviations 54-55
Appendix A - Survey Questionnaire 56-65
Appendix B - Survey Results 66-91
Appendix C - Case Example Interview Questions 92-96

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