Sign Retroreflectivity

ATSSA offers the only training for sign inspectors designed to meet the minimum sign retroreflectivity requirements in the MUTCD, per the guidance document FHWA-SA-07-020. Available online, choose the minimum three-module, self-paced curriculum or purchase the entire six-module package at a reduced rate.

Modules feature training on general retroreflectivity, traffic sign fundamentals, calibration signs procedure, comparison sign procedure, consistent parameters procedure, and the measured sign retroreflectivity method.

Learn more about course options by choosing a link below:

View the entire six-module package.

Review the options for a three-module course. If opting for the three-module curriculum, R101 and S101 are required prerequisites. Choose from S102, S103, S104, or S105 as the third-module elective.
R101 - Retroreflectivity Overview (required prerequisite)
S101 - Traffic Sign Retroreflectivity Fundamentals for Inspectors (required prerequisite)
S102 - Calibration Signs Procedure for the Visual Nighttime Inspection Method
S103 - Comparison Panels Procedure for the Visual Nighttime Inspection Method
S104 - Consistent Parameters Procedure for the Visual Nighttime Inspection Method
S105 - Measured Sign Retroreflectivity Method