Previous Chapter: 4 Level 1 Crash Predictive Models Using Machine Learning Approaches
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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.
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Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 73
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 74
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 75
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 76
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 77
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 78
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 79
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 80
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 81
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 82
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 83
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 84
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 85
Suggested Citation: "5 Level 1 Crash Predictive Count Models." 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 86
Next Chapter: 6 Level 2 Crash Estimates Using Crash Modification Factors
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