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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 834: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities: A Guidebook presents guidance on the application of crossing solutions at roundabouts and channelized turn lanes at signalized intersections for pedestrians with vision disabilities. This publication will be of interest to engineers tasked with designing a particular site, planners and decision makers at the municipal and state government levels, and others.

NCHRP Research Report 834 is supplemented by NCHRP Web-Only Document 222, which includes additional documentation and background information on project research. The research presented in NCHRP Web-Only 222 and NCHRP Research Report 834 builds on previous work on crossing challenges for pedestrians with vision disabilities presented in NCHRP Report 674.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2017. Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities: A Guidebook. Washington, DC: The National Academies Press. https://doi.org/10.17226/24678.

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Publication Info

119 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/24678
Chapters skim
Front Matter i-vii
Chapter 1 - Introduction 1-5
Chapter 2 - Design Process 6-9
Chapter 3 - General Principles for Pedestrian Wayfinding and Crossing Tasks 10-20
Chapter 4 - Design Principles for Pedestrian Access at Roundabouts 21-47
Chapter 5 - Design Principles for Pedestrian Access at Channelized Turn Lanes 48-67
Chapter 6 - Wayfinding Assessment 68-77
Chapter 7 - Crossing Assessment 78-97
References 98-100
Appendix A - Discussion of Audible Environment and Noise Effects 101-103
Appendix B - Summary of Crossing Treatments 104-121

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