Practice question

What is the purpose of a Rectangular Rapid Flashing Beacon (RRFB) at a pedestrian crossing?

  1. To help pedestrians cross streets with high traffic volumes at uncontrolled approaches or mid-block crossings
  2. To reserve the lane for buses
  3. To tell drivers that trains are approaching
  4. To replace all pavement markings

Answer: A — To help pedestrians cross streets with high traffic volumes at uncontrolled approaches or mid-block crossings

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