State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars (2025)
Chapter: Appendix D: Case Example Interview Questions
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Appendix C: Survey Responses by State
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
APPENDIX D
Case Example Interview Questions
The following questions were asked during case example interviews.
- What is your state’s typical practice with respect to CRRB?
- In what circumstances and why, if any, do you deviate from your typical practice?
- How does your DOT make choices between competing reinforcement bar types (policies, life-cycle cost, service life design, … elaborate on answer to Survey Question 13)?
- For states that have policies, how were these policies developed (background assumptions, research, anecdotal findings, rules of thumb, etc.)?
- What assumptions or variables are considered in these decision-making processes (specifically with respect to life-cycle cost analyses and service life design where applicable)?
- In what way are the following items considered: member types, member locations, environmental exposure, traffic condition, expected service lives, member redundancy, and location of bridge relative to transportation network?
- How does the reinforcement bar type that is selected affect other aspects of the structural design?
- Basis for variation (yield strength, ultimate strength, modulus, weight, other)?
- What is varied (e.g., concrete material design or sizes)?
- How are they varied (e.g., specific values used)?
- How were these choices made (any background assumptions, research, anecdotal findings, rules of thumb, etc.)?
- Methods or specifications used for quality control of CRRB:
- What are the methods and/or specifications used (performance criteria, inspection, construction)?
- What was the rationale or process (research, anecdotal findings, rules of thumb, etc.), criteria, and assumptions used in selecting these procedures?
- What benefits (qualitative / quantitative) of CRRB has your agency experienced?
- Please elaborate on the challenges, if any (based on response to Survey Question 18), (qualitative / quantitative) of implementing CRRB in construction that your agency has experienced?
- What other challenges (e.g., in design, procurement), if any, (qualitative / quantitative) of implementing CRRB has your agency experienced?
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
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Please tell us about your state’s technology transfer, demonstration and/or pilot projects, or other activities related to implementation related to CRRB.
- What types of activities have been performed?
- What have the success or limitations of these efforts been (qualitatively and/or quantitatively)?
- Are written reports/documents available?
- What are your future plans for CRRB?
- Use?
- Any research or implementation efforts?
- What types of information or resources would be helpful for you with regards to use of CRRB?
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
Abbreviations and acronyms used without definitions in TRB publications:
| A4A | Airlines for America |
| AAAE | American Association of Airport Executives |
| AASHO | American Association of State Highway Officials |
| AASHTO | American Association of State Highway and Transportation Officials |
| ACI–NA | Airports Council International–North America |
| ACRP | Airport Cooperative Research Program |
| ADA | Americans with Disabilities Act |
| APTA | American Public Transportation Association |
| ASCE | American Society of Civil Engineers |
| ASME | American Society of Mechanical Engineers |
| ASTM | American Society for Testing and Materials |
| ATA | American Trucking Associations |
| CTAA | Community Transportation Association of America |
| CTBSSP | Commercial Truck and Bus Safety Synthesis Program |
| DHS | Department of Homeland Security |
| DOE | Department of Energy |
| EPA | Environmental Protection Agency |
| FAA | Federal Aviation Administration |
| FAST | Fixing America’s Surface Transportation Act (2015) |
| FHWA | Federal Highway Administration |
| FMCSA | Federal Motor Carrier Safety Administration |
| FRA | Federal Railroad Administration |
| FTA | Federal Transit Administration |
| GHSA | Governors Highway Safety Association |
| HMCRP | Hazardous Materials Cooperative Research Program |
| IEEE | Institute of Electrical and Electronics Engineers |
| ISTEA | Intermodal Surface Transportation Efficiency Act of 1991 |
| ITE | Institute of Transportation Engineers |
| MAP-21 | Moving Ahead for Progress in the 21st Century Act (2012) |
| NASA | National Aeronautics and Space Administration |
| NASAO | National Association of State Aviation Officials |
| NCFRP | National Cooperative Freight Research Program |
| NCHRP | National Cooperative Highway Research Program |
| NHTSA | National Highway Traffic Safety Administration |
| NTSB | National Transportation Safety Board |
| PHMSA | Pipeline and Hazardous Materials Safety Administration |
| RITA | Research and Innovative Technology Administration |
| SAE | Society of Automotive Engineers |
| SAFETEA-LU | Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) |
| TCRP | Transit Cooperative Research Program |
| TEA-21 | Transportation Equity Act for the 21st Century (1998) |
| TRB | Transportation Research Board |
| TSA | Transportation Security Administration |
| U.S. DOT | United States Department of Transportation |
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
Suggested Citation:
"Appendix D: Case Example Interview Questions." National Academies of Sciences, Engineering, and Medicine. 2025. State DOT Policies and Practices on the Use of Corrosion-Resistant Reinforcing Bars. Washington, DC: The National Academies Press.
doi: 10.17226/29045.
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