Free Webinar: How to Inspect Traffic Signs to Meet Retroreflectivity Requirements

July 24—11 a.m.-12 p.m.


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Sign retroreflectivity—referring to how much light from vehicle headlamps is redirected back at drivers, enabling signs to be seen at night—is a critical issue, as it helps keep your city's citizens safe.

As of June 13, 2014, cities are required to adopt a sign maintenance program designed to maintain sign retroreflectivity at or above specific levels.

So what can your city do to ensure your sign inspectors are trained properly to assess retroreflectivity levels?

Though there is no nationally-recognized training course or certification for sign inspectors, this webinar will enable cities to establish a training program for their sign inspectors.

Learn what methods are best when assessing the condition of traffic signs, and how to train qualified personnel to test that your signs are meeting minimum retroreflectivity levels.

Participate in this live webinar to:

  • Understand sign retroreflectivity
  • Find out the evaluation methods to assess signs
  • Learn how to do nighttime visual inspections of traffic signs
  • Train traffic sign inspectors
  • Know how to document sign inspection results
  • Have an opportunity to ask questions (Submit questions in advance to


  • Mark Vizecky, State Aid Program Support Engineer, Mn/DOT


  • Chris Smith , League of Minnesota Cities Insurance Trust

Fee: Free

Date/Time: July 24, 11 a.m.-12 p.m.

You will be participating via the internet using GoToWebinar. An email confirmation with instructions to join the session will be sent after registration is completed.