Practice question

What is the 'decision sight distance' and why is it important for work zone TTC?

  1. The distance a supervisor can see from the office
  2. The distance needed for a driver to detect a condition, recognize it as a hazard, decide on a response, and execute a maneuver
  3. The distance between two signs
  4. The length of the work zone

Answer: B — The distance needed for a driver to detect a condition, recognize it as a hazard, decide on a response, and execute a maneuver

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