Minnesota Department of Transportation

511 Travel Info

Technical Certification Program

All course materials for the new training season will be posted soon. Please check back later.

Grading and Base Tester Recertification (GBTR)

Prerequisites for certification

  • Your Grading and Base Tester Certification must still be current for you to take the recertification course.

Expiration and recertification options

  • This certification expires after five seasons.
  • A recertification must be completed before the end of the fifth training season.
  • If your certification has recently expired and you have relevant work experience, you may apply to regain MnDOT certification through a Recently Expired Certification Exam. Otherwise, you must take the initial certification course again to regain certification.

Bring to class

Device

  • In-Person: Laptop or Tablet (Recommended)
  • Live-Virtual: Laptop or Tablet
    • For Live-Virtual, we strongly recommend using a computer or tablet. You will have a better experience to review course materials, presentations, chat, and more features compared to a phone.

Course Materials

Unless noted, all of the files below can be downloaded and brought to class on a device
  • GBTR Class Agenda (PDF)
  • GBTR Classroom Packet (PDF)
  • Grading and Base Tester Certification Training Manual (PDF)

MnDOT References Needed

  • None

Supplies

  • Calculator
  • Paper and pencil/pen

Class logistics

  • Learning mode: live virtual, via Zoom.
  • If you need to register: Learn about the certification process and then register for the class.
  • Logistics: See the Registration Confirmation and Class Reminder emails from Lake Superior College for class dates, time, Zoom links, and directions.
  • Learning differences and accommodations: If you have a disability or learning issue, either permanent or temporary, which might affect your ability to perform in a class or on the online exam, contact Suzanne Johnsrud, 218-428-1002, to discuss possible accommodations.
  • Summary: GBT Certification Summary (PDF)
  • Professional development hours (PDHs): 6
  • Lake Superior College course credits possible: 0

About the certification exams

Written exam process

  • You will have 90 minutes to complete the 30-question written exam online.
  • You must score 70% or higher to pass; if you score 60-69%, you may request a retest.
  • The exam will open for you at the end of the last day of class.
  • You must complete the exam within one week after it is open for you, meaning the same day the following week.
  • Find your exam to take it once it is open for you.

Written exam topics (approximate percentage of exam)

  • Content knowledge needed for the work (15%)
  • Procedures and documentation (40%)
  • Specific test procedures (45%)

Materials allowed during the written exam

This is an open book exam. You may use the training manual and all other course materials during the exam. A calculator is provided within the online exam.

Performance exam

  • None

Contact