Application of Crash Modification Factors for Access Management, Volume 2: Research Overview (2021) / Chapter Skim
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Pages 173-175
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173 Conclusions The objectives of NCHRP Project 17-74 were to develop and refine CMFs and SPFs for access management features and to develop guidance to assist transportation agencies in quantifying the safety impacts of their decisions related to access management. Specifically, this project: • Verified the reliability of using existing SPFs from the Highway Safety Manual (1st Edition)
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174 Application of Crash Modification Factors for Access Management where the existing models do not perform well across sites with different access management features. Notable scenarios include locations with channelized right-turn lanes and locations with nearby ramp terminals.
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From page 175... ...
Conclusions and Future Research 175 • Create a directional median opening (Manage the Location, Spacing, and Design of Median Openings and Crossovers) , • Manage design elements to improve sight distance (Provide Adequate Sight Distance at Access Points)
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