easy · GRE Verbal

A transit agency added real-time arrival displays. Riders reported less uncertainty even though average waiting time did not change.

Which phrase best identifies the passage’s central subject?

  1. the agency’s process for setting passenger ticket prices
  2. rider preferences for different bus routes
  3. the cost of shortening average wait times
  4. the effects of real-time transit arrival displays
  5. the history of the transit vehicle fleet

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