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

Chapter: 4 Level 1 Crash Predictive Models Using Machine Learning Approaches

Previous Chapter: 3 Factors Affecting HRGC Collisions and Severity Estimates
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 50
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 51
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 52
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 53
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 54
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 55
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 56
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 57
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 58
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 59
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 60
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 61
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 62
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 63
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 64
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 65
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 66
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 67
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 68
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 69
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 70
Suggested Citation: "4 Level 1 Crash Predictive Models Using Machine Learning Approaches." 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 71
Next Chapter: 5 Level 1 Crash Predictive Count Models
Subscribe to Email from the National Academies
Keep up with all of the activities, publications, and events by subscribing to free updates by email.