Roadway lighting is a widely recognized intervention for reducing nighttime crashes and isolated rural intersection lighting appears to be beneficial overall, but predicting the benefits likely at a specific location is very difficult.
The TRB National Cooperative Highway Research Program's NCHRP Synthesis 575: Lighting Practices for Isolated Rural Intersections is designed to help provide a foundation for transportation departments considering if, when, and where to install lighting at isolated rural intersections and was carried out to gather information and experiences from different agencies into a single document.
National Academies of Sciences, Engineering, and Medicine. 2022. Lighting Practices for Isolated Rural Intersections. Washington, DC: The National Academies Press. https://doi.org/10.17226/26476.
Chapters | skim | |
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Front Matter | i-viii | |
Summary | 1-1 | |
Chapter 1 - Introduction | 2-3 | |
Chapter 2 - Warranting Issues | 4-10 | |
Chapter 3 - Design Factors and Criteria | 11-16 | |
Chapter 4 - Impacts | 17-20 | |
Chapter 5 - Installation, Operation, and Maintenance | 21-24 | |
Chapter 6 - Economics | 25-29 | |
Chapter 7 - Conclusions, Knowledge Gaps, and Research Needs | 30-31 | |
Chapter 8 - Case Examples | 32-36 | |
References | 37-40 | |
Abbreviations | 41-41 | |
Appendix A - Glossary of Technical Terms | 42-43 | |
Appendix B - Survey Questionnaire and Results | 44-59 | |
Appendix C - List of Survey Participant Organizations | 60-64 |
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