Evaluation Findings of the MX 30 Pavement Marking Retroreflectometer: Technical Evaluation Report

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

This report presents the results of a detailed evaluation ofthe MX 30 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.