Practice question

Per NMDOT 2019 606.3.7, unless the Contract specifies otherwise, the ground between the shoulder edge and the hinge point behind the guardrail shall be graded at:

  1. Vertical cut immediately behind the posts
  2. 10:1 (H:V) or flatter
  3. 2:1 (H:V) or steeper
  4. 1:1 (H:V) only

Answer: B — 10:1 (H:V) or flatter

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