Hours of Service Practice Test

Pick an answer for each question. You’ll see right away if it’s correct and why.

1. 1. After 10 consecutive hours off duty, how many hours may a property-carrying driver drive?

   A. 8 hours B. 10 hours C. 11 hours D. 14 hours
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   Answer: C. 11 hours The driving limit is 11 hours within the 14-hour period (395.3(a)(3)(i)).

2. 2. A driver comes on duty at 6:00 a.m. after 10 hours off and takes a 1-hour lunch off duty. Without a sleeper berth split, when must driving stop at the latest?

   A. 8:00 p.m. B. 9:00 p.m. C. 5:00 p.m. D. There is no clock limit, only the 11 hours
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   Answer: A. 8:00 p.m. The 14 hours are consecutive. Off-duty breaks like lunch do not stop the clock, so driving must end 14 hours after 6:00 a.m. (395.3(a)(2)).

3. 3. When is the 30-minute break required?

   A. After 8 hours on duty B. After 8 hours of driving time without a 30-minute interruption C. After 6 hours of driving D. Only for team drivers
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   Answer: B. After 8 hours of driving time without a 30-minute interruption The trigger is 8 hours of driving time, not on-duty time, without a consecutive 30-minute interruption (395.3(a)(3)(ii)).

4. 4. Which of these can count as the 30-minute break?

   A. 30 minutes of driving at low speed B. Two 15-minute stops C. 30 consecutive minutes on duty not driving, like waiting at a dock D. Nothing, it must be off duty
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   Answer: C. 30 consecutive minutes on duty not driving, like waiting at a dock Off duty, sleeper berth or on-duty not driving time all count, alone or combined, as long as the 30 minutes are consecutive (395.3(a)(3)(ii)).

5. 5. A carrier runs trucks every day of the week. What is its drivers' weekly limit?

   A. 60 hours on duty in 7 days B. 70 hours on duty in 8 days C. 70 hours of driving in 7 days D. 80 hours on duty in 8 days
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   Answer: B. 70 hours on duty in 8 days Carriers that operate every day use 70 hours in 8 consecutive days; the others use 60 hours in 7 days. Both count on-duty time, not just driving (395.3(b)).

6. 6. How can a driver restart the 60- or 70-hour period?

   A. Take 34 or more consecutive hours off duty B. Take 24 hours off duty C. Take two 10-hour breaks in a row D. Wait until Monday
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   Answer: A. Take 34 or more consecutive hours off duty Any 7- or 8-day period may end with the start of an off-duty period of 34 or more consecutive hours (395.3(c)). Sleeper berth time counts as off duty for this.

7. 7. Snow that the driver could not have known about at dispatch slows the trip. How much extra time may the driver use under the adverse driving conditions exception?

   A. No extra time B. 1 hour C. Up to 2 hours D. As long as it takes
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   Answer: C. Up to 2 hours The driver may drive up to 2 additional hours beyond the limits to finish the run or reach a safe place (395.1(b)(1)).

8. 8. Which split meets the sleeper berth rule for property-carrying drivers?

   A. 5 hours in the berth plus 5 hours off duty B. 6 hours in the berth plus 4 hours off duty C. 8 hours in the berth plus 2 hours off duty D. 9 hours in the berth plus 1 hour off duty
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   Answer: C. 8 hours in the berth plus 2 hours off duty One period must be at least 7 consecutive hours in the berth, the other at least 2 hours, and together at least 10 hours (395.1(g)(1)(ii)).

9. 9. During a qualifying sleeper berth split, what happens to the 14-hour window?

   A. Both qualifying rest periods are left out of it B. Only the short period is left out C. Nothing, the clock keeps running D. It resets to 14 hours after each period
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   Answer: A. Both qualifying rest periods are left out of it Qualifying rest periods do not count against the 14-hour window, and the limits are recalculated from the end of the first of the two periods (395.1(g)(1)(iii)).

10. 10. A driver works within 150 air miles of the terminal and is released within 14 hours each day. What is the driver exempt from?

    A. All hours-of-service limits B. Drug and alcohol testing C. Keeping a log (RODS or ELD) D. The 11-hour driving limit
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    Answer: C. Keeping a log (RODS or ELD) The short-haul exception removes the log requirement (395.8 and 395.11), but the carrier must keep time records for 6 months, and the 11-hour and 60/70-hour limits still apply (395.1(e)(1)).

11. 11. Does a driver using the 150 air-mile short-haul exception need the 30-minute break?

    A. Yes, always B. No C. Only after 10 hours of driving D. Only at night
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    Answer: B. No The 30-minute break rule does not apply to drivers who qualify for either short-haul exception in 395.1(e) (395.3(a)(3)(ii)).

12. 12. Doing a pre-trip inspection of the truck is logged as:

    A. Off duty B. Driving C. Sleeper berth D. On duty, not driving
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    Answer: D. On duty, not driving On-duty time includes all time inspecting, servicing or conditioning a CMV (395.2). It counts toward the 14-hour window and the 60/70 hours.

13. 13. How many days of records of duty status must a driver have available while on duty?

    A. The previous 7 consecutive days B. Only today C. The previous 30 days D. The previous 6 months
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    Answer: A. The previous 7 consecutive days The driver keeps a copy of the previous 7 consecutive days available for inspection while on duty; the carrier keeps records for at least 6 months (395.8(k)).

14. 14. How long must the motor carrier keep drivers' records of duty status and supporting documents?

    A. 30 days B. At least 6 months C. 1 year D. 3 years
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    Answer: B. At least 6 months Carriers keep records of duty status and supporting documents for at least 6 months from the date of receipt (395.8(k)(1)).

15. 15. On a team truck, a driver rides in the passenger seat right after 7 hours in the sleeper berth. How much of that riding time can count with the berth time toward the 10 hours off?

    A. Zero hours B. Up to 1 hour C. Up to 3 hours D. Unlimited
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    Answer: C. Up to 3 hours At least 7 consecutive hours in the berth plus up to 3 hours riding in the passenger seat, right before or after, can make up the 10 hours (395.1(g)(1)(i)(D)).

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