Practice question

Which best describes a 'green-required' setting in a BBS configuration?

  1. BBS allows the intersection to remain in full color until a defined battery threshold, then drops to red flash
  2. BBS keeps the intersection in flash from the moment of outage
  3. BBS never enters flash
  4. BBS skips the controller entirely

Answer: A — BBS allows the intersection to remain in full color until a defined battery threshold, then drops to red flash

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