Appendixes to NCHRP Report 572: Roundabouts in the United States

National Academies of Sciences, Engineering, and Medicine

doi:10.17226/21999

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Appendixes to NCHRP Report 572: Roundabouts in the United States

(2007)

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TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 94, Appendixes to NCHRP Report 572: Roundabouts in the United States includes detailed reviews of the literature on safety performance and operational models, the master inventory of U.S. roundabouts assembled for this project, and the results of the statistical testing of various models associated with the production of NCHRP Report 572.

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

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National Academies of Sciences, Engineering, and Medicine. 2007. Appendixes to NCHRP Report 572: Roundabouts in the United States. Washington, DC: The National Academies Press. https://doi.org/10.17226/21999.

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Publication Info

8.5 x 11 | DOI: https://doi.org/10.17226/21999

Chapters		skim
Appendixes to NCHRP Report 572: Roundabouts in the United States	1-1
TRB Disclaimer	2-2
About the National Academies	3-3
Contents	4-4
Appendix A Literature Review on Safety Performance	5-21
Appendix B Literature Review of Operational Models	22-69
Appendix C Site Inventory	70-111
Appendix D Pedestrian and Bicycle Analysis Details	112-114
Appendix E Summary of Goodness-of-Fit Measures and Statistical Terms	115-116
Appendix F Statistical Testing of Intersection-Level Safety Models	117-120
Appendix G Definitions for Estimating Fastest Vehicle Paths	121-123
Appendix H Statistical Testing of Approach-Level Safety Models	124-127
Appendix I Statistical Testing of Speed-Based Safety Models	128-128
Appendix J Operations Appendix	129-157
Appendix K Pedestrian Analysis Tables	158-164
Appendix L Pedestrian and Bicycle Images	165-174
Appendix M Draft Highway Capacity Manual Chapter 17	175-195
Appendix N Research Problem Statement	196-197

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