Practice question

Which sign color best separates an unplanned incident detour from a planned construction-zone warning?

  1. Fluorescent pink for incident signs; orange for work-zone signs
  2. Blue for incident signs; brown for work-zone signs
  3. Green for incident signs; red for work-zone signs
  4. White for both incident and work-zone signs

Answer: A — Fluorescent pink for incident signs; orange for work-zone signs

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