Practice question

In VDOT Superpave mix designations such as SM-12.5, IM-19.0, and BM-25.0, the letters SM, IM, and BM identify the mix as:

  1. Surface, intermediate, and base asphalt concrete
  2. Sand, iron, and binder aggregates
  3. Summer, interim, and bridge mixes only
  4. Slurry, microsurfacing, and bituminous seal coats

Answer: A — Surface, intermediate, and base asphalt concrete

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