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The last decade has seen tremendous growth in resources available to state and local transportation agencies for conducting data-driven safety analysis.

NCHRP Web-Only Document 369: Estimating Effectiveness of Safety Treatments in the Absence of Crash Data, from TRB's National Cooperative Highway Research Program, describes the process of developing a guide for using alternative, or surrogate, measures of safety for developing Crash modification factors (CMFs) and other quantifiable measures in the absence of crash data.

This document is supplemental to that guide, published as NCHRP Research Report 1069: Estimating Effectiveness of Safety Treatments in the Absence of Crash Data: A Guide.

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Suggested Citation

National Research Council. 2023. Estimating Effectiveness of Safety Treatments in the Absence of Crash Data. Washington, DC: The National Academies Press. https://doi.org/10.17226/27280.

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Publication Info

136 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/27280
Chapters skim
Front Matter i-v
Chapter 1 Introduction 1-3
Chapter 2 Review of Literature 4-35
Chapter 3 Types of Data Collection Technologies for Surrogate Measurement 36-63
Chapter 4 Identify Safety Treatments with No or Low-Rated Crash Modification Factors 64-81
Chapter 5 Case Studies 82-110
Chapter 6 Guide Development 111-114
Chapter 7 Summary 115-117
Abbreviations 118-119
References 120-130

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