British Columbia Commercial Drivers License Class 4 Practice Test 4

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Our FREE practice tests are designed to help you succeed when it comes time to write the real test.

Each license type has 5 tests to help you study and become familiar with the rules and regulations of commercial driving. The tests are not identical to the license test you will need to pass, but the questions are similar to what you will find on the real deal.

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Commercial Driver HQ

BC Class 4 Drivers License Practice Test 4

A 20 question practice test to help prepare you for the Class 4 knowledge test in BC

1 / 20

When driving in bad weather, what should your following distance be?

8 seconds

6 seconds

4 seconds

2 seconds

2 / 20

Where does a large vehicle have blind spots?

In front, behind, and on both sides

At the front of the vehicle

At the back of the vehicle

On the passenger side and at the back

3 / 20

What is the wheel base of a vehicle?

How much room is needed to turn safely

The size of the tires on the rear axle

Distance between the front and rear axle

The surface of the road covered by the tires

4 / 20

What does this sign mean?

Not a two lane highway

Carpool lane only

Cars side by side only

No passing

5 / 20

Why should you do a shoulder check when making a right turn?

To scratch your chin on your shoulder

Wave to the car behind you before turning

Make sure you are in the right lane

To check for cyclists and other vehicles

6 / 20

What does this yellow sign mean?

Caution, railway tracks cross the road here

Hidden intersection ahead

Streetcar lines up ahead

Watch out for power lines

7 / 20

What does this sign mean near a roundabout?

No driving under the trucks

Trucks are bigger than cars

No fishtailing trucks

No passing trucks on the inside of the circle

8 / 20

Making eye contact with cyclists around your vehicle is?

A good way to let them know you see them

Going to cause them to lose balance

Does not help at all

Is distracting for you

9 / 20

Which step is not part of the pre-trip check?

Check your lights

Check your radiators and fluids

Check your seatbelts

Check your brakes

10 / 20

What should you do if your car starts to skid?

Accelerate and steer into the skid

Nothing, ABS will take care of it

Shift into neutral and let go of the steering wheel

Slow down and steer where you want to go

11 / 20

What does this yellow warning sign mean?

Speed up area ahead

Recycling center up ahead

Indicates a roundabout is up ahead

Do a burnout here to impress the cops

12 / 20

When can a driver of a public or commercial passenger vehicle smoke in the vehicle?

While the vehicle is moving

Never

When the passenger is smoking in the vehicle

When there are no passengers in the vehicle

13 / 20

How often must the floor of a school bus be sanitized?

Twice a year

Every day

Every month

Once a week

14 / 20

What should you do before making a left turn?

All of these

Enter the left turn lane if there is one

Yield to oncoming traffic and wait for a safe gap

Signal to other drivers that you want to turn

15 / 20

What does this sign mean?

One way only

No u-turns

No through traffic

No stopping

16 / 20

The most important thing when transporting a passenger is?

High fuel efficiency

The passengers safety

Maximizing profits

Keeping your schedule

17 / 20

How far back should you stay when following an emergency vehicle?

60 metres

150 metres

50 metres

100 metres

18 / 20

What does this yellow diamond sign mean?

Winding road ahead

Slight bend in the road ahead

Sharp curve to the right

Right turn only

19 / 20

What does this yellow diamond sign mean?

Narrow bridge ahead

Road construction ahead

Divided highway ends

Divided highway begins

20 / 20

What does this sign tell you about the road ahead?

River ahead

Bridge ahead

Construction zone ahead

Bumps on the pavement ahead

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Your score is

The average score is 86%

So what do you do now that you’ve passed the practice tests? Find out what the next step is to earn your Class 4 drivers license in BC

More British Columbia Commercial Driving Practice Tests

BC Class 4 Practice Tests

BC Road Signs Test

BC Class 1 Practice Tests

BC Class 3 Practice Tests

Air Brakes Practice Tests

We do our best to keep the questions current and accurate. The testing centres may change the questions on the knowledge tests at any time. Always be prepared for surprises.

Many of the answers to the questions can be found in the driver hand books or learning materials your province provides.

DISCLAIMER: CDHQ is not affiliated with the provinces or any test centres. These practice tests should not be considered official tests and you are not granted a license for completing them. Our tests are simply a practice tool to help prepare yourself for the real test.