Practice question

What is a 'cycle' in traffic signal timing?

  1. One complete rotation of the signal head for maintenance
  2. One complete sequence of all signal phases at an intersection
  3. The lifespan of a signal lamp from installation to replacement
  4. The time between two consecutive maintenance visits

Answer: B — One complete sequence of all signal phases at an intersection

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Practice more: IMSA Traffic Signal I Practice Questions - IMSA Traffic Signal Technician Level I Certification Exam Exam →