Practice question
What is the recommended arrow board mounting height for visibility to approaching drivers?
- Ground level
- A minimum of 7 feet from the roadway surface to the bottom of the arrow board
- At least 20 feet high
- Any height is acceptable
Answer: B — A minimum of 7 feet from the roadway surface to the bottom of the arrow board
The correct answer is shown above. Try the full quiz for additional practice.
Practice more: IMSA Work Zone Practice Questions - IMSA Work Zone Temporary Traffic Control Technician Certification Exam Exam →