Practice question

What is the purpose of 'phase reservice' (phase re-entry) in traffic signal control?

To repeat a phase that experienced a conflict monitor trip
To allow a phase to be served more than once per cycle when demand exceeds what a single service can accommodate
To restart a phase that was interrupted by preemption
To serve pedestrian phases a second time for accessibility

Answer: B — To allow a phase to be served more than once per cycle when demand exceeds what a single service can accommodate

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