february 2007 commercial vehicle drivers hours of service module 6: work shift limits

February 2007

Commercial Vehicle Drivers Hours of Service

Module 6: Work Shift Limits


Module 6 - 2

What is a work shift? How many hours can a driver drive in a

work shift? Do daily limits have an effect on work shift

limits?

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Module 6 - 3

What will I learn in this module?

Definition of work shift

Core off-duty time requirements

Work shift limits

© Microsoft®


Module 6 - 4

What is a work shift?

Period of time that driver is “on the job” Begins when driver performs any activity

for motor carrier Ends when driver stops for an extended

period of rest (“core rest period” or “core off-duty time”)


Module 6 - 5

What is core off-duty time?

Opportunity to obtain adequate sleep During core rest period, driver must have

off-duty time ≥ 8 consecutive hours

REST FOR 8 CONSECUTIVE

HOURS


Module 6 - 6

What is the work shift limit?

Driver cannot drive after 16 hours of elapsed time on work shift

STOP DRIVING AFTER

16 HOURS ON WORK

SHIFT


Module 6 - 7


During the work shift following rules apply:No driving after 13 hours driving in work shiftNo driving after 14 hours on-duty in work shiftNo driving after 16 hours of elapsed time in

work shift After 16-hour work shift, driver must stop driving

even if the driver has not reached the daily limits


Module 6 - 8


After work shift, driver must start a core rest period (at least 8 consecutive hours off-duty time)

Once driver has taken core rest period, driver can start a new work shift


Module 6 - 9


Every work shift is anchored on either end with core rest period

Core Rest Period

≥ 8 consecutive

off-duty hours

Work ShiftCore Rest

Period≥ 8

consecutive off-duty hours

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Module 6 - 10


Work shift limits are not the same as the daily limits discussed in Module 5

Driver must comply with both the work shift limits and the daily limits


Module 6 - 11

Example #1

Start of Work Shift

End of Work Shift


Module 6 - 12

Example #2

Start of Work Shift

End of Work Shift

STOP DRIVING AFTER

16 HOURS ON WORK

SHIFT


Module 6 - 13

Example #3

Start of Work Shift

End of Work Shift


Module 6 - 14

Can a work shift span more than one “day”? Yes, but all daily limits still apply each day

End of Work Shift

Start of new Work

Shift

STOP DRIVING AFTER

13 HOURS DRIVING AND

14 HOURS ON-DUTY IN A

DAY


Module 6 - 15

Start of Work Shift

STOP DRIVING AFTER

16 HOURS ON WORK

SHIFT

End of Work Shift


Module 6 - 16

Can a driver combine a core rest period with the 2-hour daily off-duty time requirement? No, “double dipping” None of the 8 consecutive hours of off-

duty time (core rest period) can count towards 2-hour daily off-duty requirement

2 hours off-duty time (or a portion of the 2 hours) can occur immediately before or after the core rest period


Module 6 - 17


Module 6 - 18

Summary of Daily and Work Shift LimitsDaily Limits (start time of 24-hour period specified by carrier) No driving after 13 hours driving No driving after 14 hours on-duty At least 10 hours off-duty before driver can drive again

- 8 consecutive off-duty hours- 2 additional off-duty hours (blocks ≥ 30 minutes) that are not part of 8

consecutive hours

Work Shift Limits (period between end of one core rest period and start of next core rest period)

No driving after 13 hours driving No driving after 14 hours on-duty No driving after 16 hours elapsed time (includes all time in work shift)

february 2007 commercial vehicle drivers hours of service module 6: work shift limits

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