What does this course cover?
This course provides information for conducting traffic signal inspections for projects on the state highway system. Inspectors will learn how to verify compliance with ODOT, federal government, and project requirements. Inspectors will be certified by ODOT as a Certified Traffic Signal Inspector (CTSI) after passing an exam.
A CTSI is required to inspect all traffic signal and electrical construction on state highways. In addition to the CTSI inspection duties, supplemental electrical inspections conducted by licensed electricians may be required. The CTSI is responsible for coordinating all required supplemental electrical inspections.
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?
Online Traffic Signal Inspector Initial Certification includes training and the online exam. (This training will not be available in the month of January.)
Step 1 – Certified Traffic Signal Inspector Training
Step 2 – Certified Traffic Signal Inspector Exam
Online Traffic Signal Inspector RECERT includes abridged training and online exam to recertify. (To qualify for the recertification curriculum, you must be currently certified or expired no more than 60 days.)
Step 1 – Certified Traffic Signal Inspector RECERT Training
Step 2 – Certified Traffic Signal Inspector Exam
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. Register

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 discipline up to and including dismissal. Additional information about the exam is contained in the training and just before you start the exam.
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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.
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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.
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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.