Study Details

Study Title: NCHRP Report 518: Safety Evaluation of Permanent Raised Pavement Markers

Authors: Bahar et al.

Publication Date: 2004

Abstract:

Study Citation: Bahar, G., Mollett, C., Persaud, B., Lyon, C., Smiley, A., Smahel, T., and McGee, H., "NCHRP Report 518: Safety Evaluation of Permanent Raised Pavement Markers." Washington, D.C., Transportation Research Board, National Research Council, (2004)

Study Report: Download the Study Report Document


CMFs Associated With This Study

Category: Delineation

Countermeasure: Install snowplowable, permanent raised pavement markers

CMF CRF(%)QualityCrash TypeCrash SeverityRoadway TypeArea Type
1.13[I*]-134 StarsNighttimeAllPrincipal Arterial Other Freeways and ExpresswaysRural
0.94[I*]64 StarsNighttimeAllPrincipal Arterial Other Freeways and ExpresswaysRural
0.67[I]334 StarsNighttimeAllPrincipal Arterial Other Freeways and ExpresswaysRural

Countermeasure: Install snowplowable, permanent raised pavement markers (Radius greater than 1640 ft)

CMF CRF(%)QualityCrash TypeCrash SeverityRoadway TypeArea Type
1.16[B]-165 StarsNighttimeAllNot SpecifiedRural
0.99[B*]14 StarsNighttimeAllNot SpecifiedRural
0.76[B]245 StarsNighttimeAllNot SpecifiedRural

Countermeasure: Install snowplowable, permanent raised pavement markers (Radius less than or equal to 1640 ft)

CMF CRF(%)QualityCrash TypeCrash SeverityRoadway TypeArea Type
1.43[B]-435 StarsNighttimeAllNot SpecifiedRural
1.26[B]-265 StarsNighttimeAllNot SpecifiedRural
1.03[B*]-34 StarsNighttimeAllNot SpecifiedRural