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retroreflectivity

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 …

To get started let’s first address the importance of pavement markings to roadway safety. FHWA states that pavement markings are to convey a message to the road user. Messages of guidance and regulation are accomplished through a sort of visual delineation of the roadway. These series of lines and symbols and words are the primary …