Practice question
When is the use of temporary concrete barriers warranted in a work zone?
- For all work zones regardless of conditions
- When workers are present for extended periods adjacent to high-speed/high-volume traffic and the risk of vehicle intrusion is significant
- Only during nighttime operations
- Only when the work zone is in a residential area
Answer: B — When workers are present for extended periods adjacent to high-speed/high-volume traffic and the risk of vehicle intrusion is significant
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 →