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

What should you do before making a left turn?

All of these

Signal to other drivers that you want to turn

Yield to oncoming traffic and wait for a safe gap

Enter the left turn lane if there is one

2 / 20

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

2 seconds

8 seconds

6 seconds

4 seconds

3 / 20

What does this yellow diamond sign mean?

Road construction ahead

Divided highway ends

Divided highway begins

Narrow bridge ahead

4 / 20

What should you do if your car starts to skid?

Shift into neutral and let go of the steering wheel

Slow down and steer where you want to go

Accelerate and steer into the skid

Nothing, ABS will take care of it

5 / 20

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

Every day

Once a week

Every month

Twice a year

6 / 20

What does this sign mean?

No through traffic

No stopping

No u-turns

One way only

7 / 20

What does this yellow warning sign mean?

Indicates a roundabout is up ahead

Speed up area ahead

Recycling center up ahead

Do a burnout here to impress the cops

8 / 20

What does this yellow diamond sign mean?

Sharp curve to the right

Slight bend in the road ahead

Winding road ahead

Right turn only

9 / 20

What does this sign tell you about the road ahead?

River ahead

Bridge ahead

Construction zone ahead

Bumps on the pavement ahead

10 / 20

What does this sign mean near a roundabout?

No passing trucks on the inside of the circle

No driving under the trucks

Trucks are bigger than cars

No fishtailing trucks

11 / 20

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

Wave to the car behind you before turning

Make sure you are in the right lane

To check for cyclists and other vehicles

To scratch your chin on your shoulder

12 / 20

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

60 metres

50 metres

150 metres

100 metres

13 / 20

The most important thing when transporting a passenger is?

High fuel efficiency

The passengers safety

Maximizing profits

Keeping your schedule

14 / 20

Where does a large vehicle have blind spots?

On the passenger side and at the back

At the front of the vehicle

In front, behind, and on both sides

At the back of the vehicle

15 / 20

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

Check your seatbelts

Check your brakes

Check your lights

Check your radiators and fluids

16 / 20

What does this yellow sign mean?

Streetcar lines up ahead

Hidden intersection ahead

Caution, railway tracks cross the road here

Watch out for power lines

17 / 20

What is the wheel base of a vehicle?

The surface of the road covered by the tires

The size of the tires on the rear axle

Distance between the front and rear axle

How much room is needed to turn safely

18 / 20

What does this sign mean?

Carpool lane only

No passing

Not a two lane highway

Cars side by side only

19 / 20

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

While the vehicle is moving

Never

When there are no passengers in the vehicle

When the passenger is smoking in the vehicle

20 / 20

Making eye contact with cyclists around your vehicle is?

Is distracting for you

Does not help at all

A good way to let them know you see them

Going to cause them to lose balance

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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.