Point and Annular Sign Retroreflectometers for Measuring Retroreflective Signs
11 May 2016
The following test methods apply for measurement of the retroreflective properties of sign materials such as traffic signs and symbols (vertical surfaces) using a portable retroreflectometer that can be used in the field.
Road markings: Choose the Right Type of Retroreflectometer
10 Jul 2014
It's well known that the visibility of road markings is important for the traffic flow and road safety. The reflection properties giving the visibility of the road marking are measured using a retroreflectometer.