New Brunswick Commercial Drivers License Class 4 Practice Test 4

Commercial Driver HQ is a website focused on helping new commercial drivers in all provinces and territories in Canada.

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.

Compatible on desktop, mobile, and tablet, you can take these tests anywhere you have internet access.

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Created by Commercial Driver HQ

New Brunswick Class 4 Practice Test 4

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

1 / 20

What does this sign mean?

2 / 20

What are runaway lanes?

3 / 20

What is total stopping distance?

4 / 20

What does this yellow diamond mean?

5 / 20

What does this upside down triangle sign mean?

6 / 20

What should you do before making a left turn?

7 / 20

What does this yellow diamond sign mean?

8 / 20

Which types of vehicles must carry fire extinguishers?

9 / 20

What does this orange sign mean?

10 / 20

What does this cool sign mean?

11 / 20

When performing a turnaround with a school bus, the correct procedure is to

12 / 20

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

13 / 20

When you are driving an ambulance during an emergency, when can you use the red lights without the siren?

14 / 20

What should you do if your car starts to skid?

15 / 20

What does the sign below tell you?

16 / 20

What are your space margins?

17 / 20

What vehicle types are required to carry road flares or pylons in case the vehicle is disabled on the side of the road?

18 / 20

Passenger directed vehicles that seat more than 12 people must have?

19 / 20

What does this yellow diamond sign mean?

20 / 20

If you encounter a breakdown while driving a school bus what should you do?

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The average score is 84%


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.