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Logbook Example #21

Day 1

Day 2

Violations: There is a 14 hour rule violation from 5:00 a.m. - 8:00 a.m. on Day 2.

Explanation - 11 Hour Limit: After 10 consecutive hours off duty, the driver was eligible to drive for up to 11 hours at 5:00 a.m. on Day 1. Before obtaining another 10 consecutive hour break (beginning at 9:00 a.m. on Day 2), he or she drove for only 7 hours, well within the limit.

Explanation - 30 Minute Break: All requirements for the 30-minute break provision were met. The driver never drove after being on duty for longer than 8 consecutive hours without at least 30 consecutive minutes spent off duty.

Explanation - 14 Hour Limit: After 10 consecutive hours off duty, the driver had 14 hours available at 5:00 a.m. on Day 1.

The 14 hour calculation includes:

• All off duty time of less than 10 consecutive hours;
• All sleeper berth time of less than 8 hours; and
• All on duty and driving time.

Therefore, the driver reached the 14 hour limit at 7:00 p.m. on Day 1, and the violation began when the driver drove a CMV at 5:00 a.m. on Day 2.

NOTE: Although this driver had 15½ hours off duty between 9:00 a.m. on Day 1 and 1:00 a.m. on Day 2, that off-duty time was interrupted by a period of 30 minutes on duty (3:00 p.m. on Day 1). Therefore, both the 6-hour sleeper-berth period and the 9½-hour off-duty period are included in the 14 hour calculation (the calculation point does not change from 5:00 a.m. on Day 1). In addition, note that the driver can legally work after reaching the 14 hour limit, but cannot drive a commercial motor vehicle.

To remain in compliance, the driver should not have gone on duty from 3:00 p.m. – 3:30 p.m. on Day 1, or should have remained off duty from 1:00 a.m. - 1:30 a.m. on Day 2, in order to get 10 consecutive hours of off duty time.

Logging Example #22

Day 1

Day 2

Violations: There is an 11 hour rule violation from 6:30 a.m. - 1:00 p.m., and a 14-hour rule violation from 8:00 a.m. - 1:00 p.m., both on Day 2.

Explanation - 11 Hour Limit: After 10 hours off duty, the driver had 11 hours of driving time available at 10:00 a.m. on Day 1. The driver did not have another 10 hour break (or the equivalent) until 1:00 p.m. on Day 2, so the calculation point never changes. The driver accumulated 6 total hours of driving on Day 1 and reached the 11 hour limit at 6:30 a.m. on Day 2.

Explanation - 30 Minute Break: Since the driver was never on duty beyond an 8 consecutive hour period without taking at least 30 consecutive minutes off duty, the 30 minute break provision does not apply and no violations took place.

Explanation - 14 Hour Limit: Calculation of the 14 hour limit begins at 10:00 a.m. on Day 1. At midnight on Day 1, the driver still had 8 hours remaining because any sleeper berth period of at least 8 but less than 10 consecutive hours is excluded from the 14 hour calculation. The driver reached the 14 hour limit at 8:00 a.m. on Day 2, where the violation began. To remain in compliance, the driver should have stayed in the sleeper berth for 2 hours minimum, from 4:00 a.m. - 6:00 a.m., on Day 2. This would have moved the calculation point to 11:00 p.m. on Day 1 - the end of the first of the two qualifying breaks used to obtain the equivalent of 10 hours off - and the driver would have remained in compliance with the 14 hour rule and could have continued driving until 11:30 a.m., the 11-hour limit.

Logging Example #23

Day 1

Day 2

Violations: There is a 30 minute break violation from 6:00 p.m. to 7:00 p.m. on Day 1. There is also a 14-hour rule violation on Day 2 from 5:00 p.m. - 9:00 p.m.

Explanation - 11 Hour Limit: After 10 consecutive hours off duty, the initial calculation point for this driver's 11 hour driving limit is 10:00 a.m. on Day 1. The driver drove 9 hours that day before taking 8 hours off duty in the sleeper berth, leaving 2 hours of driving time available at 3:00 a.m. on Day 2 (the 8 hour sleeper berth period does not result in extra driving time). The driver used those 2 hours and reached the 11 hour limit at 5:00 a.m. when he or she had to stop driving. Then the driver went off duty for at least 2 consecutive hours (8 hours off duty total) to take advantage of the sleeper berth provision. He or she accumulated at least 10 hours of rest using a combination of at least 8 consecutive hours in a sleeper berth and another break of at least 2 consecutive hours. This moves the 11 hour calculation point to the end of the first of the two qualifying breaks, or 3:00 a.m. on Day 2. Between 3:00 a.m. and 1:00 p.m. on Day 2, the driver had 2 hours of driving, so at 1:00 p.m. there were 9 hours of driving remaining (11 - 9) and the driver stayed within that limit.

Explanation - 30 Minute Break: On Day 1, the driver had been on duty since 10:00 a.m. and was required to take at least a 30 minute break before driving beyond 6:00 p.m. Therefore, the driver was in violation of the 30-minute break provision from 6:00 p.m. to 7:00 p.m. on Day 1. On Day 2, the driver was on duty for a total of 8 hours between 1:00 p.m. and 9:00 p.m. Since the driver went off duty at 9:00 p.m., exactly 8 consecutive hours after first going on duty (driving), no violation occurred.

Explanation - 14 Hour Limit: Calculation of the 14 hour limit starts at 10:00 a.m. on Day 1, but does not include the 8-hour sleeper-berth period (7:00 p.m. on Day 1 to 3:00 a.m. on Day 2) because any sleeper period of at least 8 but less than 10 consecutive hours is excluded from the 14 hour calculation. So by 5:00 a.m. on Day 2, the driver used 11 hours driving and had 3 hours remaining out of the 14 hours allowed. But at 5:00 a.m., the driver went off duty for at least 2 hours, making him or her eligible for the split sleeper berth provision. This moves the calculation point for the 14 hour limit to the end of the first of the two rest periods used to obtain 10 hours off duty, or 3:00 a.m. on Day 2. Fourteen consecutive hours after 3:00 a.m. is 5:00 p.m., when this driver should have stopped driving but did not.

NOTE: Any period of off duty time less than 10 hours (such as this driver's 8 hour off duty break on Day 2) is included in the 14-hour calculation. Also note that the driver's 8 hour sleeper berth period allowed him or her to drive during the 18th and 19th hour after first coming on duty, but it did not by itself give the driver additional driving time beyond 11 hours.

To remain in compliance, the driver should have stopped driving at 5:00 p.m. on Day 2. The driver would have remained in compliance if he or she had gone off duty for 10 hours on Day 2 instead of just 8, or if he or she had spent those 8 hours in a sleeper berth.

Logging Example #24

Day 1

Day 2

Violations: There is an 11-hour rule violation from 11:30 p.m. on Day 1 until 1:00 a.m. on Day 2, and from 1:30 p.m. - 2:00 p.m. on Day 2. There is a 14-hour rule violation on Day 2 from midnight – 1:00 a.m.

Explanation - 11 Hour Limit: After 10 consecutive hours off duty, the driver had 11 hours of driving time available at 10:00 a.m. on Day 1. The driver completed 11 hours of driving by 11:30 p.m. and continued to drive causing a violation. The driver then had 8 consecutive hours in a sleeper berth from 1:00 a.m. to 9:00 a.m. on Day 2, which, combined with the earlier 2 consecutive hours in the sleeper (4:00 p.m. to 6:00 p.m. on Day 1), made the driver eligible for the split sleeper berth provision. That is, the driver accumulated at least 10 hours of rest using a combination of at least 8 consecutive hours in a sleeper berth and another break of at least 2 consecutive hours. This moves the 11 hour calculation point to the end of the first of the two qualifying breaks, or 6:00 p.m. on Day 1. Between 6:00 p.m. on Day 1 and and 9:00 a.m. on Day 2, the driver had 7 hours of driving, so at 9:00 a.m. on Day 2 there were 4 hours remaining. The driver violated the rule when he or she continued driving after reaching that limit.

Explanation - 30 Minute Break: Since the driver was never on duty or driving longer than 8 consecutive hours on either Day 1 or Day 2, the 30 minute break provision is not an issue and no break is required.

Explanation - 14 Hour Limit: After 10 consecutive hours off duty, the driver had 14 hours available at 10:00 a.m. on Day 1. The driver reached the 14 hour limit at midnight and violated the rules by continuing to drive for 1 hour at midnight beginning Day 2. The driver then entered the sleeper berth for 8 consecutive hours and took advantage of the split sleeper berth provision. This moves the 14 hour calculation point to 6:00 p.m. on Day 1, the end of the first of the two qualifying breaks. Counting forward from there, the driver had 7 hours remaining as of 9:00 a.m. on Day 2. The driver remained in compliance for the remainder of Day 2. To remain in compliance, the driver should have taken 10 consecutive hours off duty beginning at 11:30 p.m. on Day 1.