Improved Prediction Models for Crash Types and Crash Severities
| 项目名称： | Improved Prediction Models for Crash Types and Crash Severities |
| 摘要： | The objectives of this research were to develop: - Crash severity and crash type SPFs or distributions or both that can be used in the estimation of the crash type and crash severity likely on the facility types contained or intended for use in the HSM; - Recommendations of how the research results can be incorporated into the HSM and associated tools, including the development of associated chapters or chapter content in AASHTO standard format for the HSM second edition and recommended procedures for consistent use of crash severity and crash type SPFs or distributions or both; and - A description of the statistical and practical advantages and disadvantages of the methodology developed in the research and potential barriers to implementation. This research was to provide a consistent approach for developing and validating crash severity and crash type prediction models to improve the capabilities of the current HSM and associated tools to estimate the safety performance outcomes associated with modifications to the highway and road user environments. STATUS: Research is complete. The final report is available as a web-only document at https://www.nap.edu/catalog/26164/improved-prediction-models-for-crash-types-and-crash-severities. |
| 状态： | Completed |
| 资金： | 800000 |
| 资助组织： | Federal Highway Administration<==>American Association of State Highway & Transportation Officials (AASHTO)<==>National Cooperative Highway Research Program |
| 项目负责人： | Bush, Mark S |
| 执行机构： | University of Connecticut, Storrs |
| 开始时间： | 20130702 |
| 预计完成日期： | 20171231 |
| 实际结束时间： | 20171231 |
| 主题领域： | Highways；Planning and Forecasting；Safety and Human Factors |
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