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CDL Practice Test: Logbook Rules

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CDL Practice Test: Logbook Rules

Logbook Rules Questions

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Good Luck!

What violation has occurred on the below log?

  • There is a 30 minute break violation
  • There is an 11 hour rule violation
  • There is a 14 hour rule violation
  • There is no violation on this log
This is a question from page 98 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

Violations: There are no violations in this example.

Explanation - 11 Hour Limit: After 10 consecutive hours off duty, the driver had 11 hours of drive time available starting at 1:00 a.m. The driver drove between the hours of 1:00 a.m. and 6:00 a.m. (5 hours), then again between the hours of 7:00 a.m to 10:00 a.m. (3 hours) and finally between the hours of noon to 2:00 p.m (2 hours). Since the driver was allwed a total of 11 hours of drive time but only drove 10 hours (5 + 3 + 2), no violation occurred.

Explanation - 30 Minute Break: After 10 consecutive hours off duty, the driver went on duty at midnight. At that point, the driver could perform driving duties until 8:00 a.m. before a 30 minute break off duty would be required to continue any driving tasks. After driving for 5 hours (on duty for a total of 6 hours) the driver fulfilled the break requirement by spending 1 hour off duty between the hours of 6:00 a.m. and 7:00 a.m. Starting at 7:00 a.m. the driver was allowed to continue driving for the remainder of his/her available 11 and 14 hour limits.

Explanation - 14 Hour Limit: After 10 consecutive hours off duty, the driver had 14 hours available beginning at Midnight. At 2:00 p.m., the driver had reached the end of the 14 hour window (10 hours driving; 3 hours on duty; 1 hour off duty). The driver may not drive a CMV once he or she has reached the end of the 14 consecutive-hour period and in this example, the driver goes off duty for the required 10 consecutive hours starting at 2:00 p.m.

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The 14 hour limit can be extended by:
  • Spending 8 consecutive hours in a sleeper berth
  • Spending 8 consecutive hours off duty
  • Spending 8 consecutive hours either in a sleeper berth or off duty
  • None of these answers are correct
This is a question from page 95 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

2. Eight hours of sleeper berth time:

You may also use the sleeper berth to extend the 14 hour limit. Any period in the sleeper berth of at least 8 consecutive hours will not count as part of the 14 hours, and therefore, would allow you to extend the time during which you could use your maximum 11 hours of driving.

TruckingTruth's Advice:

Remember, in order to extend the 14 hour limit, all 8 hours must be logged as sleeper berth time. You can't spend the 8 hours off duty or switch back and forth between sleeper berth and off duty time.

In most cases, it makes more sense to simply stay in the sleeper berth for 2 more hours (total of 10 consecutive hours in the sleeper berth). That way, instead of extending the 14 hour limit, you create an entirely new starting point for the 14 hour limit and will have all 14 hours available again.

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At what time does a violation occur on this log?

  • 10:00 p.m.
  • 7:00 p.m.
  • 8:00 p.m.
  • 9:00 p.m.
This is a question from page 104 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

Violations: There is a 14 hour rule violation from 10:00 p.m. - 11:00 p.m.

Explanation - 11 Hour Limit: After 10 consecutive hours off duty, the driver had 11 hours of driving time available starting at midnight. The driver completed 9 hours of driving by 11:00 p.m. and went off duty, so there are no violations of the 11 hour rule.

Explanation - 30 Minute Break: Since the driver was never on duty longer than 8 consecutive hours, the 30 minute break provision was never a factor.

Explanation - 14 Hour Limit: After 10 consecutive hours off duty, the driver had 14 hours available at midnight. The driver used 10 of those hours by 10:00 a.m. before entering the sleeper berth for 8 consecutive hours. The 8 consecutive hour sleeper berth period is excluded from the 14 hour limit, but the 1 hour off duty period connected to that sleeper berth period is not. So the 14 hour limit was reached at 10:00 p.m., 4 hours after the end of the sleeper berth period, and the driver violated the rule by continuing to drive for another hour. To remain in compliance, the driver should have either stopped driving at 10:00 p.m., or remained in the sleeper berth from 6:00 p.m. - 7:00 p.m.

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Next
What does HOS stand for?
  • Hours on Site
  • Hometime Optimization System
  • Hours of Service
  • Highway Organization System
This is a question from page 92 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

As a truck or bus driver, you'll be required to record and abide by all working and driving limitations which were created by the Department of Transportation (DOT). The rules govern a commercial driver's working and resting hours and are referred to as Hours of Service (HOS) Regulations.

TruckingTruth's Advice:

During the rest of this program, we will be referencing HOS instead of saying Hours of Service every time. As an industry standard, HOS always stands for Hours of Service and the vast majority of people in the trucking industry are very familiar with the term HOS.

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Which statement below is true?
  • An EOBR may be used without creating any paper copies
  • EOBRs are declining in usage
  • EOBRs must be capable of printing a log sheet
  • EOBRs must store at least the previous 3 days of log information
This is a question from page 106 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

The EOBR device must be capable of displaying or printing for enforcement officers the times of duty status changes and other required information. It must also store this information for the prior 7 days. An EOBR may be used without creating any paper copies of logs by transmitting the data electronically to the carrier, or it may be used to print copies of the logs that would be signed by the driver and mailed to the carrier.

What Is The Future Of EOBRs

Even 5 years ago, the vast majority of major trucking carriers relied on paper logs. But the DOT and FMCSA have begun a historic crackdown on enforcing and regulating, among other things, HOS rules. Violations now effect both the drivers record as well as the carriers safety rating. We are at a turning point where it now makes financial sense for trucking companies to switch over from using paper logs to EOBRs. These electronic recording devices are here to stay and will only grow in usage as time goes on. In fact, on January 31, 2011, the FMCSA proposed a rule that would require Electronic On-Board Recorders for interstate commercial truck and bus companies.

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What is a 34 hour restart?
  • After you have been on duty for 34 hours, you must take a 70 hour break
  • The regulations allow you to "restart" your 60 or 70 hour clock calculations after having at least 34 consecutive hours off duty
  • If you take at least two 17 hour breaks within an 8 day period, all your hours will reset
  • If you drive less than 34 hours in 7 days, all your hours will reset
This is a question from page 93 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

The 34 Hour Restart

The regulations allow you to "restart" your 60 or 70 hour clock calculations after having at least 34 consecutive hours off duty. In other words, after you have taken at least 34 hours off duty in a row, you have the full 60 or 70 hours available again. You would then begin counting hours on the day of the restart and not go back the full 7 or 8 days.

TruckingTruth's Advice:

If you are planning to become an OTR truck driver, you will use the 8 day / 70 hour limit. That means, you are unable to drive once you've been on duty for more than 70 hours within an 8 day period. If you've worked close to that limit, you may want to "reset" the 70 hour limit. The only way to completely reset your 70 hour limit is to take an extended amount of time off duty. If you take 34 consecutive hours off without driving or performing on duty tasks, your 70 hour limit will reset.

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Who must complete a log?
  • Only drivers who drive a passenger carrying vehicle
  • Logs are completely voluntary for commercial drivers
  • Only drivers who cross state lines
  • Any person who is subject to the safety regulations and drives a commercial motor vehicle
This is a question from page 96 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

Any person who is subject to the safety regulations and drives a commercial motor vehicle (CMV) must complete a logbook page for any day that includes CMV driving and for the prior 7 days (unless under an exception on some of those days).

TruckingTruth's Advice:

If you are planning on becoming an OTR truck driver, you will not qualify for any logbook exceptions and will be expected to maintain an updated and current logbook at all times.
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What is the 8 day / 70 hour on duty limit?
  • You are not allowed to be on duty more than 70 hours within the previous 8 days
  • None of these answers are correct
  • You must have taken at least 70 hours off during the previous 8 days in order to drive legally
  • You are not allowed to drive after you've been on duty 70 hours in the previous 8 consecutive days
This is a question from page 93 - click here to look up the answer

Quote From Page 0 Of The Illinois CDL Manual:

The 8 day / 70 hour limit:

If your company does operate vehicles every day of the week, your employer may assign you to the 70-hour/8-day schedule. This means that you are not allowed to drive after you've been on duty 70 hours in any 8 consecutive days. Once you reach the 70 hour limit, you will not be able to drive again until you have dropped below 70 hours for an 8 consecutive day period. You may do other work, but you cannot do any more driving until you get below the limit. Any other hours you work, whether they are for a motor carrier or someone else, must be added to the total.

TruckingTruth's Advice:

The 8 day / 70hr limit will restrict how much time you're allowed to be on duty during an 8 day period. So if you take a 10 hour break to reset your 11 and 14 hour clocks, but have been on duty / driving for 65 hours in an 8 day period, you will only be able to drive 5 hours.


We'll give you some more examples later on in the program. This can be a little difficult to understand, but try to understand the differences between the 11hr, 14hr, and 70hr clocks.

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