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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 149351
Practice question

Per NMDOT 2019 606.2.1.1.2, weathering guardrail steel shall provide corrosion resistance at least how many times that of plain carbon steel?

  1. Equal to galvanized Type 2 Class A
  2. Four times
  3. Two times
  4. Ten times

Answer: B — Four times

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

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