Accurate and Traceable Retroreflectivity Instruments

Highway statistics indicate that you are three times more likely to have an auto accident at night versus during the day. While circumstances such as driver fatigue, driver’s age and adverse weather conditions are contributing factors, the nighttime visibility of traffic control signs and pavement markings also play a major role in the increased risk.

Led by a Federal Highway Administration (FHWA) movement towards retroreflectivity guidelines http://safety.fhwa.dot.gov/roadway_dept/night_visib/ more government agencies are adopting pavement marking performance standards. As a result, the reliability of the instruments that measure performance becomes crucial.

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