Practice question

What are the maximum message phase and line limitations for Portable Changeable Message Signs (PCMS) under CA MUTCD guidelines?

  1. Maximum of 4 phases with 4 lines per phase.
  2. Maximum of 2 phases with 3 lines per phase.
  3. Maximum of 3 phases with 2 lines per phase.
  4. Maximum of 1 phase with 5 lines per phase.

Answer: B — Maximum of 2 phases with 3 lines per phase.

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