FREE TruckDisp Advanced Hours of Service (HOS) Questions and Answers

Question 1

A driver is using the 16-hour short-haul exception. Which of the following conditions must be met for this exception to be valid?

Accepted Answer

The driver must return to the work reporting location every day.

Answer

The 16-hour short-haul exception allows a driver to extend their 14-hour driving window to 16 hours once per 7-day period (or after a 34-hour reset). A key requirement is that the driver must have started and must end their day at the same work reporting location.

Question 2

A driver encounters an unforeseen traffic jam due to a major accident, which will cause them to exceed their 11-hour driving limit by 90 minutes to reach the nearest safe parking. Under which rule can the driver legally complete this drive?

Accepted Answer

Adverse Driving Conditions Exception

Answer

The Adverse Driving Conditions exception allows a driver to extend their maximum driving time (11 hours) and their driving window (14 hours) by up to 2 hours if they encounter unexpected adverse conditions. A major, unforeseen accident causing a traffic jam qualifies for this exception.

Question 3

A driver plans to use the split-sleeper berth provision to pause their 14-hour clock. Which of the following combinations is a valid split?

Accepted Answer

8 hours in the sleeper berth and 2 hours off-duty.

Answer

The split-sleeper berth rule requires two qualifying rest periods totaling at least 10 hours. One period must be at least 7 consecutive hours in the sleeper berth, and the other must be at least 2 consecutive hours either off-duty or in the sleeper berth. The 7/3 split is a valid combination that satisfies these requirements.

Question 4

A driver has been on-duty for 60 hours in the last 7 days. The carrier operates on a 70-hour/8-day rule. What is the driver's status?

Accepted Answer

The driver's status is compliant and they can continue working.

Answer

The 60/7 and 70/8 rules are distinct limits based on the carrier's operation. If the carrier operates under the 70-hour/8-day rule, the driver's 60 hours of on-duty time in 7 days is irrelevant; their limit is 70 hours in any 8 consecutive days. Therefore, the driver is compliant and has hours available.

Question 5

When is a driver required to take a 30-minute break under federal HOS rules?

Accepted Answer

After 8 cumulative hours of driving time.

Answer

The 30-minute break rule states that a driver must take a 30-minute break after accumulating 8 hours of driving time, not on-duty time. The break can be taken as off-duty, sleeper berth, or on-duty not driving.

Truck Dispatcher Practice Test

Truck Dispatcher Practice Test

FREE TruckDisp Advanced Hours of Service (HOS) Questions and Answers