Starting with the publishing of the 2009 edition of the Manual on Uniform Traffic Control Devices (MUTCD) agencies ...
more
RoadVista 922 Handhled Retroreflectometer
Laboratory measurement of retroreflective materials is accomplished usin...
more
RoadVista Laserlux Retroreflectometer for Measuring Pavement Markings
Coefficient of Retroreflected Luminance (RL ...
more
It seems intuitively correct to measure retroreflection as a ratio of the intensity of light returned in the directio...
more
Reflective Glass Beads for Pavement Markings
Retroreflective highway signs and lane markers use special kinds of pai...
more
Drivers and highway department personnel have long recognized that good pavement markings and legible road signs are ...
more