Practice question

What is a Portable Changeable Message Sign (PCMS)?

  1. A permanent sign that can be physically moved
  2. A trailer-mounted electronic sign that displays variable text messages to warn, guide, or inform road users in work zones
  3. A printed sign on a portable easel
  4. A flag mounted on a portable stand

Answer: B — A trailer-mounted electronic sign that displays variable text messages to warn, guide, or inform road users in work zones

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