CDL General Knowledge TestDriving SafelyMedium
A commercial driver is driving on a long, straight highway and starts to feel drowsy. What is the most effective immediate action to take to combat fatigue and ensure safety?
- AIncrease speed slightly to stay alert.
- BDrink a large cup of coffee or an energy drink.
- CTurn up the radio and open the windows for fresh air.
- DPull over at the nearest safe location and rest.
Show answer & explanationAnswer & explanation
Correct answer: D. Pull over at the nearest safe location and rest.
The most effective and safest immediate action to combat drowsiness while driving is to pull over to a safe location and rest. Other methods are temporary and do not address the underlying fatigue.
Why the other options are wrong
- A. Increasing speed while drowsy is extremely dangerous and significantly increases accident risk.
- B. Caffeine and energy drinks provide only temporary stimulation and can lead to a 'crash' later, masking true fatigue.
- C. These are temporary measures that do not address the root cause of fatigue and are only marginally effective.
Combating Driver Fatigue
Strategies and immediate actions to prevent and mitigate the dangers of drowsiness while operating a commercial vehicle.
- Fatigue impairs judgment and reaction time
- Rest is the only cure
- Temporary fixes are dangerous
Memory trick: Rest is Best for a Drowsy Driver's Test.