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SESK: Stuff Everyone Should Know · sesk.info/cdl-hos-30-minute-break

A truck driver needs a 30-minute break after how many hours of driving time?

8 hours of driving.

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  1. 4 hours
  2. 8 hours ✔
  3. 6 hours

Why: Driving is not allowed once 8 hours of driving time pass without a 30-minute break in a row. The break can be off duty, sleeper berth, or on duty but not driving, like fueling.

Huh, didn't know that: Short-haul drivers who qualify for the exceptions do not need the 30-minute break.

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Why did the trucker take a nap? They were exhausted.
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References

Answer: 8 hours. Driving is not allowed once 8 hours of driving time pass without a 30-minute break in a row. The break can be off duty, sleeper berth, or on duty but not driving, like fueling.

  1. 49 CFR 395.3 Maximum driving time for property-carrying vehicles (eCFR) www.ecfr.gov/current/title-49/section-395.3
    driving is not permitted if more than 8 hours of driving time have passed without at least a consecutive 30-minute interruption in driving status
    Checked 2026-10-10.

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