Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings (2026)

Chapter: 3 Factors Affecting HRGC Collisions and Severity Estimates

Previous Chapter: 2 Current Practices for Treatment and Technologies at HRGCs
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 40
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 41
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 42
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 43
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 44
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 45
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 46
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 47
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 48
Suggested Citation: "3 Factors Affecting HRGC Collisions and Severity Estimates." National Academies of Sciences, Engineering, and Medicine. 2026. Assessing Safety Effectiveness of Treatments and Technologies at Highway-Rail Grade Crossings. Washington, DC: The National Academies Press. doi: 10.17226/29286.
Page 49
Next Chapter: 4 Level 1 Crash Predictive Models Using Machine Learning Approaches
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