Calibration Signs Procedure for the Visual Nighttime Inspection Method

Calibration Signs Procedure for the Visual Nighttime Inspection Method (S102)


This module of the Retroreflectivity for Sign Inspectors Course is for any inspector using Visual Nighttime Inspection with the Calibration Signs Procedure. It shows how to prepare for and properly conduct a nighttime inspection using this procedure and explains how the procedure ties to the minimum retroreflectivity levels in Table 2A-3 of the MUTCD. The module also covers resources needed for the calibration process and documentation of the inspection. R101 and S101 are prerequisites for this module.


Module Facts:

  • Prerequisites: R101 - Retroreflectivity Overview AND
    S101 - Traffic Sign Retroreflectivity Fundamentals for Inspectors
  • Course Length: 0.5 hours
  • Formats: Online
  • Hosting: N/A
  • CEUs: 0.05
  • Course Materials:
    • Included in course for download
  • Registration Fees:
    • Online: $25 Members & Non-members
  • Certification Available: No



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