Safety of U-Turns at Unsignalized Median Openings

National Academies of Sciences, Engineering, and Medicine

doi:10.17226/13768

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Safety of U-Turns at Unsignalized Median Openings

(2004)

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TRB’s National Cooperative Highway Research Program (NCHRP) Report 524: Safety of U-Turns at Unsignalized Median Openings includes recommended guidelines for locating and designing unsignalized median openings, and a methodology for comparing the relative safety performance of different designs.

Contributor(s): National Academies of Sciences, Engineering, and Medicine; Transportation Research Board

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2004. Safety of U-Turns at Unsignalized Median Openings. Washington, DC: The National Academies Press. https://doi.org/10.17226/13768.

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Publication Info

141 pages | 8.5 x 11 | DOI: https://doi.org/10.17226/13768

Chapters		skim
Front Matter	i-vi
Summary	1-2
Chapter 1 - Introduction	3-4
Chapter 2 - Literature Review	5-26
Chapter 3 - Current Design Policies and Practices of Highway Agencies	27-32
Chapter 4 - Classification and Assessment of Typical Median Opening Designs	33-58
Chapter 5 - Data Collection and Analysis	59-67
Chapter 6 - Findings	68-78
Chapter 7 - Conclusions and Recommendations	79-80
References	81-82
Appendix A - Highway Agency Survey Questionnaire	83-89
Appendix B - Summary of Survey Responses From State and Local Highway Agencies	90-105
Appendix C - Guidelines for the Use, Location, and Design of Unsignalized Median Openings	106-133
Abbreviations used without definitions in TRB publications	134-134

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