SD CDL Hours of Service & Driver Fatigue Management

Question 1

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

Accepted Answer

11 hours

Answer

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

Question 2

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

Accepted Answer

14 hours

Answer

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

Question 3

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

Accepted Answer

10 hours

Answer

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

Question 4

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

Accepted Answer

8 hours

Answer

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

Question 5

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

Accepted Answer

60 hours

Answer

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.

SD CDL - South Dakota Commercial Drivers License Practice Test