Hours of Service & Driver Fatigue Management Flashcards

How many hours may a property-carrying CMV driver drive after 10 consecutive hours off duty?

Answer: 11 hours

Federal HOS rules allow property-carrying drivers a maximum of 11 hours of driving after 10 consecutive hours off duty.

What is the maximum on-duty window (including driving time) allowed for a property-carrying CMV driver in a single shift?

Answer: 14 hours

Property-carrying drivers cannot drive beyond the 14th consecutive hour after coming on duty, regardless of how many breaks were taken.

How many consecutive hours off duty must a property-carrying CMV driver take before being allowed to drive again?

Answer: 10 hours

Property-carrying drivers must take a minimum of 10 consecutive hours off duty before their 11-hour driving clock resets.

After how many hours of driving must a property-carrying CMV driver take a 30-minute rest break?

Answer: 8 hours

Drivers must take a 30-minute break before driving beyond 8 cumulative hours without an interruption of at least 30 minutes.

Under the 60-hour/7-day rule, a driver may not drive after accumulating how many on-duty hours in 7 consecutive days?

Answer: 60 hours

Drivers who operate CMVs every day of the week may not drive after being on duty 60 or more hours in any 7 consecutive days.

Under the 70-hour/8-day rule, a driver may not drive after accumulating how many on-duty hours in 8 consecutive days?

Answer: 70 hours

Drivers whose carrier operates vehicles every day of the week may use the 70-hour/8-day rule, capping on-duty time at 70 hours in 8 consecutive days.

How many consecutive hours off duty are required to use the 34-hour restart provision and reset a driver's weekly on-duty hours?

Answer: 34 hours

Taking 34 or more consecutive hours off duty allows a driver to restart their 60/70-hour clock, resetting the accumulated weekly on-duty total.