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Traffic Signal Inspector Certification

This course is part of the Oregon Department of Transportation's strategy to improve statewide consistency in carrying out Oregon's highway construction program.

What does this course cover?

The goal of the Traffic Signal Inspector Certification course is to provide inspectors with practical knowledge for conducting traffic signal inspections for projects on the state highway system. Inspectors will gain an understanding of their responsibility to verify compliance with project requirements as well as mandates set forth by ODOT or the federal government, or both.

All traffic signal and electrical construction on state highways requires construction inspection by personnel certified by ODOT as Certified Traffic Signal Inspectors (CTSI). The CTSI are in addition to and do not eliminate the need for certified electric inspection in compliance with electrical permits issued by local agencies.

How long is this certification valid?

The CTSI Certification will be valid for three years once the electronic exam is passed.

Interested in this course?

There are two options for taking this course and becoming certified:

  1. Self-guided online training. Registration open all year (except the month of January) available through Workday Learning Certified Traffic Signal Inspector (CTSI).
  2. Traditional in-person training. Registration opens in the fall/winter with training occurring in Salem during the month of February. If the training is already full, and you want this option, sign up on the wait list.

(A recertification course is available for those who are already certified. It is only offered online. There is no in-person training. This is a shorter, accelerated class and covers only new/recent changes. It is recommended for those who have maintained a high level of familiarity with traffic signals and ODOT construction.)

Traffic Signal Certification Decision Table

Exam Information

The exam is provided online. It is open book and an individual effort. Measures are in place to monitor exam metrics and computer usage during the exam. Any misconduct while taking the online exam will result in a permanent ban from holding a CTSI certification and discipline up to and including dismissal. Additional information about the exam is contained in the training and just before you start the exam.

  • Self-guided online training: After you complete the online training, you will need to enroll in the online CTSI exam. It is not proctored. The exam can be taken at any time but must be completed within 3 hours of starting.
  • Traditional in-person training: At the end of the training, you will take the exam online with a laptop. It is proctored. It must be completed within 3 hours of starting.
  • Challenge Exam: If you wish to challenge this exam, contact us via email to request enrollment. If you fail the challenge exam, you will need to go through the CTSI Training course.

What is needed for this course & exam?

Required Tools

Note: No other materials are necessary (e.g., calculators, Oregon Standard Specifications for Construction, etc.).

Order Traffic Signal Inspector Course Materials

Manual Order Form

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Contact the Construction Section

800 Airport Road SE
Salem, Oregon 97301

Program Contact

Barbara Harriman - Construction Training Program Analyst

Signal installation in Aloha.