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Pages 1-2

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From page 1...
... NCHRP Project 5-17 responds to the need to use state-of-the-art analytical methods and extensive data to comprehensively assess the safety effects of PRPMs and to identify critical design parameters. The primary objectives of NCHRP Project 5-17, as presented in the project statement, are "to assess the safety effects of permanent raised pavement markers (PRPMs)
From page 2...
... Second, a positive expected safety effect is followed by an analytical engineering procedure relying on safety performance functions or crash prediction models for roads with and without PRPMs to determine the potential cost-effectiveness of implementing PRPMs at a location. The guidelines were discussed in the context of the present "Manual on Uniform Traffic Control Devices" (MUTCD)


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