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Practice quizzes / NM CID GA-5 Practice Questions - New Mexico CID GA-5 Highway Signs and Guard Rails Examination Exam / Question 149348
Practice question

Per NMDOT 2019 606.3.8, unless otherwise specified, what minimum thickness of hot/warm-mix asphalt shall be placed and compacted beneath the guardrail area?

  1. 4 inches
  2. 8 inches
  3. 1-1/2 inches
  4. 1/2 inch

Answer: C — 1-1/2 inches

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

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