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Evaluation Findings of the ECODYN Mobile Pavement Marking Retroreflectometer: Technical Evaluation Report

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF service center.

This report presents the results of a detailed evaluation ofthe ECODYN pavement marking 30-meter retroreflectometer. The evaluation is designed to test the measurement bias, repeatability, and reproducibility of handheld and mobile retroreflectometers produced by several manufacturers.