Practice question

What is the function of Time-Based Coordination (TBC) in modern traffic controllers?

  1. A method of synchronizing traffic signals using GPS time rather than a hardwired interconnect or master clock
  2. A timing method that changes phases based on the time of day only
  3. A maintenance scheduling system based on time intervals
  4. A method of calculating signal timing using historical time data

Answer: A — A method of synchronizing traffic signals using GPS time rather than a hardwired interconnect or master clock

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