Previous Chapter: CHAPTER 1. INTRODUCTION AND BACKGROUND
Suggested Citation: "CHAPTER 2. RESEARCH APPROACH." National Academies of Sciences, Engineering, and Medicine. 2021. Guidelines for Cost-Effective Safety Treatments of Roadside Ditches. Washington, DC: The National Academies Press. doi: 10.17226/26127.
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Suggested Citation: "CHAPTER 2. RESEARCH APPROACH." National Academies of Sciences, Engineering, and Medicine. 2021. Guidelines for Cost-Effective Safety Treatments of Roadside Ditches. Washington, DC: The National Academies Press. doi: 10.17226/26127.
Page 49
Next Chapter: CHAPTER 3. SURVEY OF STATES
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