Turner-Fairbank Highway Research Center

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NCHRP Research Report 875: Guidance for Evaluating the Safety Impacts of Intersection Sight Distance

Product Type

Research Report


Kimberly Eccles, Scott Himes, Kara Peach, Frank Gross, Richard J. Porter, Timothy J. Gates, and Christopher M. Monsere




This publication 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 intersection sight distance (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.

Link To Research Report

NCHRP Research Report 875: Guidance for Evaluating the Safety Impacts of Intersection Sight Distance


Crash rates
Data collection
Highway safety
Sight distance

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HSIS Summaries

HSIS Summary Reports are two to eight pages in length and include a brief description of the issue addressed, data used, methodology applied, significant results, and practical implications.

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Research reports are often summarized in executive summaries, technical briefs, or other abbreviated formats. Included here are those road safety summaries that involved research using HSIS data.

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