Practice question

Per NMDOT 2019 Section 423.3.5.4, unless otherwise specified, a transverse HMA joint shall have at least which taper?

  1. A 1 ft taper with a slope no steeper than 6:1
  2. A 3 ft taper with a slope no steeper than 24:1
  3. A 10 ft taper with a slope no steeper than 50:1
  4. A vertical butt joint with no taper

Answer: B — A 3 ft taper with a slope no steeper than 24:1

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