The Louisiana Department of Highways began using reflectorized raised pavement markers on a large scale basis in 1967 when such markers were placed on the Mississippi River Bridge along Route I-10 at Baton Rouge. The Department has engaged in a considerable amount of research since 1967 in order to derive the most benefit from reflectorized raised pavement markers. A standard test procedure for measurement of retroreflection of reflectorized markers has previously been developed and adopted. A supplemental specification was also written which now requires initial minimum retroreflection values before any given brand of marker may be placed on our highways. The report documents a research effort to establish a rapid method of evaluating the nighttime retroreflective durability of reflectorized raised pavement markers and to develop source acceptance criteria keyed to this test method.


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    Titel :

    Evaluation of Retroreflective Durability of Raised Pavement Markers


    Beteiligte:
    R. W. Kinchen (Autor:in) / E. J. Leblanc (Autor:in)

    Erscheinungsdatum :

    1975


    Format / Umfang :

    48 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






    Red Retroreflective Raised Pavement Markings

    Miles, Jeffrey D. / Carlson, Paul J. / Ullman, Brooke et al. | Transportation Research Record | 2008