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Motor vehicle crashes cost society more than $230 billion annually. On an average day, 117 fatal crashes occur on U.S. roadways, and 30 percent of these fatalities are people under the age of 25. In total, this amounts to a societal loss of $630 million per day.

The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 319: Roadside Safety Analysis Program (RSAP) Update details a safety-analysis program for run-off-road (ROR) traffic crashes, which account for almost one-third of the deaths and serious injuries each year on U.S. highways.

Supplemental to the document are an RSAPv3 User's Manual, an RSAPv3 Engineer's Manual, an RSAPv3 Programmer’s Manual, and a Survey Form and Results.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2022. Roadside Safety Analysis Program (RSAP) Update. Washington, DC: The National Academies Press. https://doi.org/10.17226/26521.

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Publication Info

31 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/26521
Chapters skim
Front Matter i-v
INTRODUCTION and BACKGROUND 1-7
RESULTS OF SURVEY OF PRACTICE 8-16
PROGRAM OVERVIEW 17-19
RESEARCH NEEDS 20-21
CONCLUSION 22-22
ACKNOWLEDGMENTS 23-23
REFERENCES 24-25

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