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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 149344
Practice question

Per NMDOT 2019 606.3.1.1.1, if driving steel posts distresses the asphalt, the Contractor shall drill guide holes with what minimum diameter?

  1. 12 inches
  2. 18 inches
  3. 8 inches
  4. 4 inches

Answer: C — 8 inches

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

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