What is a retroreflectometer? In the most simple of terms a retroreflectometer is an instrument that assesses a pavement marking or sign’s nighttime visibility. These instruments provide an accurate visibility assessment by measuring the retroreflectivity of the material tested. This is done by emitting light toward the object at specific angles and distances known as …
The cost of a pavement marking retroreflectometer can run between $12,000 and $150,000. A retroreflectometer is a specialized instrument used in the measurement and assessment of roadway pavement markings (lines) and signs. Retroreflectivity is what makes possible the visibility of the line or sign at night. Although the primary function of a retroreflectometer is to …
