MnDOT Guardrail Identification and Inspection Workshop

Date and Location

Not currently scheduled.

About the Event

A guardrail on the side of a paved road.

This two-day class focuses on guardrail identification and inspection. During the workshop, you will learn about standard guardrail systems, guardrail location and special situations, length of need, guardrail transitions, and guardrail end treatments; participate in identification activities; take a post-assessment; and use a supplemental workshop resource handout. The course curriculum will feature Minnesota-specific examples and interactive demonstrations, and special focus areas will include Minnesota standard plates and plans, bullnose guardrails, and addressing grading standards on guardrail systems.

During the class, participants will:

  • Identify the challenges of roadside safety, the concept of clear zone, and the warrants of barrier systems.
  • Learn how barrier systems are designed to operate.
  • Review installation principles for barrier operation.
  • Discuss installation principles for terminal operation.
  • Demonstrate lab skills, including using measurements and identifying length of need for:
    • Thrie-beam bullnose
    • MSKT end terminal and guardrail
    • SoftStop end terminal and guardrail
    • High-tension cable (Brifen and Gibraltar)

All participants must bring the following PPE to class:

  • High-visibility vest
  • High-visibility hat
  • Safety footwear
  • Safety glasses (for protection from debris)

Who Should Attend

Maintenance managers, supervisors, crew members, and construction inspectors.

More Information

With questions about class content, contact Khamsai Yang, MnDOT state design standards engineer, at For all other questions, contact Samantha Hahn-Douville with the Center for Transportation Studies at


This class is sponsored by the Minnesota Department of Transportation Office of Design Standards Unit and hosted by the Center for Transportation Studies.