Recognizing Hazards - ONLINE CDL SCHOOL

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Recognizing Hazards

Build confidence with 10 original questions about Recognizing Hazards. Review your answers and explanations after finishing.

Supplemental study practice. This is not a government licensing exam or ELDT certification, and does not replace hands-on training. Follow your state’s current handbook.

1 / 10

What should you do if you see a slow-moving vehicle with a red triangle and orange center?

Recognize it as a slow-moving vehicle and be prepared to slow down

Sound your horn and flash your lights

Pass it immediately without caution

Ignore the symbol and maintain your speed

2 / 10

When driving at night, what should you do to avoid being blinded by oncoming headlights?

Look slightly to the right at the edge of the road

Close your eyes briefly

Turn on your high beams

Stare directly at the oncoming lights

3 / 10

What is the main reason to always have a plan when you see a hazard?

To reduce your insurance rates

So you can drive faster

To impress other drivers

So you are prepared to avoid emergencies before they happen

4 / 10

Why is it important to see hazards early while driving?

It reduces the need to check your mirrors

It gives you more time to react and avoid emergencies

It allows you to drive faster

It helps you ignore other vehicles

5 / 10

What should you do if you see a bicyclist ahead while driving a commercial vehicle?

Slow down and allow at least four feet of space when passing

Speed up to pass quickly

Pass as closely as possible to save time

Honk your horn to warn the bicyclist

6 / 10

What should you do when approaching a work zone while driving a commercial vehicle?

Speed up to clear the area quickly

Sound your horn repeatedly to alert workers

Slow down and use your four-way flashers to warn drivers behind you

Drive in the center of the lane without signaling

7 / 10

Why are off ramps and on ramps particularly hazardous for commercial vehicles?

They are less crowded than highways

Speed limits posted may be safe for cars but not for large or heavily loaded vehicles

They are always straight and easy to navigate

They have better lighting than other roads

8 / 10

What is a potential hazard clue when observing other drivers’ body movements?

A driver wearing sunglasses

A driver looking over their shoulder may be about to change lanes

A driver tapping the steering wheel

A driver adjusting their seat

9 / 10

What is a sign that another driver may be impaired and a potential hazard?

Using turn signals properly

Driving with headlights on during the day

Weaving across the road or drifting from one side to another

Driving at a constant speed

10 / 10

What is a clue that a parked vehicle may soon move into your path?

The windows are closed

There are no people nearby

The vehicle is covered in dust

Brake lights or backup lights are on

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