🚸CDL School Bus — Question 17 of 20

Your bus is equipped with roof-mounted, white strobe lights. When should the overhead strobe lights be used?

Answer: A

When you have limited visibility.

Roof mounted strobe lights are activated during times of limited visibility to signal other drivers of your location, such as when it is foggy or raining heavily.

All choices

  • AWhen you have limited visibility.
  • BWhen traffic is heavy.
  • CAt all times.
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CDL School Bus Test Info

Questions on Exam

20

Passing Score

80%

Time Limit

Typically 30 minutes; varies by testing location

The School Bus test content is federally standardized, so this question applies in every state. Age limits, fees, and testing procedures do vary — check your state's CDL requirements.

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