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Practice quizzes / PTOE Practice Questions - Professional Traffic Operations Engineer Exam Exam / Question 168906
Practice question

What is the perception-reaction time typically assumed for design purposes according to AASHTO?

  1. 1.0 second
  2. 1.5 seconds
  3. 2.5 seconds
  4. 4.0 seconds

Answer: C — 2.5 seconds

The correct answer is shown above. Try the full quiz for additional practice.

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