ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners.
As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
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Evaluation of Stopping Sight Distance Design Criteria
An examination of the state of knowledge was conducted for the purpose of evaluating design criteria for safe stopping sight distance. The evaluation was specifically concerned with driver perception-reaction time, design friction factors, assumed speeds for design, driver's eye height, and object height. The evaluation was addressed to design criteria as presented in "A Policy on Geometric Design of Rural Highways, 1965," by the AASHO.
Many factors influence an individual driver’s decision to yield or not yield to individual pedestrians attempting to cross the road at an unsignaliz...
This research summary was created as part of Report 2023-24, "Guidelines for safer pedestrian crossings: Understanding the factors that positively inf...
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