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Safety Impacts of Intersection Sight Distance

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TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 228: Safety Impacts of Intersection Sight Distance documents the methodology and presents the results from NCHRP Research Report 875: Guidance for Evaluating the Safety Impacts of Intersection Sight Distance. It provides the underlying research on estimating the safety effects of intersection sight distance (ISD) at stop-controlled intersections. To establish the relationship between ISD and safety at stop-controlled intersections, crash, traffic, and geometric data were collected for 832 intersection approaches with minor-road stop control in North Carolina, Ohio, and Washington.

NCHRP Research Report 875: Guidance for Evaluating the Safety Impacts of Intersection Sight Distance is a resource for practitioners involved in the planning, design, operations, and traffic safety management of stop-controlled intersections. It provides information on how to estimate the effect of ISD on crash frequency at intersections and describes data collection methods and analysis steps for making safety-informed decisions about ISD. The guidance also provides basic information on the importance of ISD that can be shared with decision makers and other stakeholders. A PowerPoint presentation that describes the project also accompanies the report and web-only document.

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National Academies of Sciences, Engineering, and Medicine. 2018. Safety Impacts of Intersection Sight Distance. Washington, DC: The National Academies Press. https://doi.org/10.17226/25082.

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119 pages | 8.5 x 11
DOI: https://doi.org/10.17226/25082
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