Vaildation of models for quantifying safety performance of driveways on state highways

This final report documents the validation of urban and rural arterial safety performance functions (SPFs) developed for the Oregon Department of Transportation (ODOT) SPR 720 study titled Quantifying safety performance of driveways on state highways. For this previous effort, the research team determined that the crash reporting that indicated a driveway may have been involved in the crash was not a dependable variable, so they developed SPFs for all non-intersection-related crashes (of which many were likely due to vehicle interactions at driveway locations). Due to a limited sample size in the original study, the final report for SPR 720 recommended sampling of additional study sites and validation of the original study models based on these new randomly sampled locations. The information in this report reviews the subsequent validation effort and the resulting recommendations., Introduction -- Review of available data -- Data collection -- Validation analysis and results -- Conclusions and recommendations., This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program.  It is for informational purposes and may not be suitable for legal purposes., Title from PDF cover (viewed on March 28, 2016)., Includes bibliographical references (page 61)., Mode of access: Internet from the Oregon Government Publications Collection., Text in English.
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This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.
Abstract/Description: This final report documents the validation of urban and rural arterial safety performance functions (SPFs) developed for the Oregon Department of Transportation (ODOT) SPR 720 study titled Quantifying safety performance of driveways on state highways. For this previous effort, the research team determined that the crash reporting that indicated a driveway may have been involved in the crash was not a dependable variable, so they developed SPFs for all non-intersection-related crashes (of which many were likely due to vehicle interactions at driveway locations). Due to a limited sample size in the original study, the final report for SPR 720 recommended sampling of additional study sites and validation of the original study models based on these new randomly sampled locations. The information in this report reviews the subsequent validation effort and the resulting recommendations.
Subject(s): n-us-or
Driveways -- Oregon -- Safety measures
Date Issued: 2014