Practice question

How long should newly laid hot-mix asphalt (HMA) pavement cure before applying asphalt sealcoat or permanent traffic paint?

  1. At least 24 hours to 48 hours after compaction.
  2. At least 30 days to 90 days to allow oils to oxidize.
  3. Exactly 6 months to 12 months under full traffic conditions.
  4. No curing time is required; apply sealcoat immediately after rolling.

Answer: B — At least 30 days to 90 days to allow oils to oxidize.

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