Practice question

Per NMDOT 2019 701.3.3, sign-structure footing foundations and backfill shall be compacted to:

  1. Hand tamping only, with no density requirement
  2. 95% of maximum density as determined by AASHTO T 180 (Modified Proctor), Method D (TTCP Modified)
  3. 90% of AASHTO T 99, Method A
  4. 85% relative density with no test method named

Answer: B — 95% of maximum density as determined by AASHTO T 180 (Modified Proctor), Method D (TTCP Modified)

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

Practice more: NM CID GA-5 Practice Questions - New Mexico CID GA-5 Highway Signs and Guard Rails Examination Exam →