It seems intuitively correct to measure retroreflection as a ratio of the intensity of light returned in the directio...
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Reflective Glass Beads for Pavement Markings
Retroreflective highway signs and lane markers use special kinds of pai...
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Drivers and highway department personnel have long recognized that good pavement markings and legible road signs are ...
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System is optimized for quick testing of retroreflective materials to ensure ASTM E1709 requirements for safety testi...
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Advanced technology allows simultaneous, multiple-angle retroreflection measurement
RoadVista, a Gamma Scientific Co...
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