Why do hours-of-service rules require a short break after a certain number of hours of continuous driving?
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 86 (General Knowledge): A brief break helps counter the buildup of fatigue that comes with hours of continuous driving
Why
Fatigue builds up the longer a driver stays behind the wheel without a pause, so a required short break is there to interrupt that buildup, not for the vehicle's sake or as a purely optional idea.
Updated: November 2026