Practice question

When should an arrow board be used in caution mode rather than arrow mode?

  1. During lane closures on multi-lane roads
  2. For shoulder work or roadside work where no lane closure exists
  3. When the work zone is on a freeway
  4. Only during nighttime operations

Answer: B — For shoulder work or roadside work where no lane closure exists

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Practice more: IMSA Work Zone Practice Questions - IMSA Work Zone Temporary Traffic Control Technician Certification Exam Exam →