CDL GENERAL KNOWLEDGE TEST
EXAM 2026 |QUESTIONS AND
VERIFIED ANSWERS |ALREADY A
GRADED |NEW AND REVISED
Which of these is the proper way to change lanes?
A. Signal just as you begin to change lanes and drift over slowly
B. Signal early and change lanes slowly and smoothly
C. Signal before you change lanes and then mover over quickly -
ANSWER- B. Signal early and change lanes slowly and smoothly
You should signal continuously while turning because :
A. You need both hands on the wheel to turn safely
B. It is illegal to turn off your signal before completing a turn
C. Most vehicles have self canceling signals - ANSWER- A. You need
both hands on the wheel to turn safely
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The primary cause of fatal crashes is:
A. Driving too fast
B. Driving while eating
C. Driving at night - ANSWER- A. Driving too fast
You should try to park so that:
A. You can pull forward when you leave
B. There is a least 1 curb next to your vehicle
C. Your vehicle is protected by trees or some other overhang -
ANSWER- A. You can pull forward when you leave
You are driving a vehicle at 45 mph on dry pavement. About how much
stopping distance will you need to bring it to a stop?
A. Twice the length of the vehicle
B. Half the length of a football field
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C. The length of a football field - ANSWER- C. The length of a football
field
When driving at night, you should use your low beams when an
oncoming vehicle is within:
A. 300 feet
B. 400 feet
C. 500 feet - ANSWER- C. 500 feet
You are driving in an area with few streetlights on a clear night. If you
cannot see well with your headlights, which of these actions would help?
A. Turn your interior light on and adjust your instrument lights up
B. Find another route that is better lit, even if it is out of the way
C. Use your high beams when legal and keep your interior light off -
ANSWER- C. Use your high beams when legal and keep your interior
light off
What happens to tar in road pavement when it gets extremely hot?
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A. It becomes gummy, making tires stick to the road
B. It bleeds, making the road surface slippery
C. Nothing; it is made for hot weather - ANSWER- B. It bleeds, making
the road surface slippery
What is the best advice for drives when a heavy fog occurs?
A. Park at a truck stop or rest area until the fog has lifted
B. Do not drive too slowly, or other drivers may hit you
C. Alternate your low and high beams to improve your vision -
ANSWER- A. Park at a truck stop or rest area until the fog has lifted
Which of these statements about cold weather driving is true?
A. An engine cannot overheat when the weather is very cold
B. Windshield washer antifreeze should be used