Compared to paint, day-night/wet-night visible raised pavement markers improve construction zone traffic performance significantly. However, there is a need to find temporary marker and adhesive systems that are easy to install, durable under construction zone traffic and easy to remove when no longer needed. After initial screening, six marker types were tested further for visibility and durability. The manufacturer's adhesives were used in this phase. It was found that an adequate day-night/wet-night visible temporary marker should meet the following visibility related requirements: - A streamlined profile. - A cube corner or multiple glass lens reflector. - A balance between the reflector and casing area exposed to the driver on In the next phase, hot melt adhesives were investigated as an enhancement over the existing butyl with primer and high pressure system.


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    Title :

    Evaluation of Temporary Day-Night Visible Raised Pavement Marker Adequacy


    Contributors:
    T. D. Davis (author)

    Publication date :

    1989


    Size :

    41 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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