New Brunswick Commercial Drivers License Class 4 Practice Test 3

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.

Take the practice test!

Created by Commercial Driver HQ

New Brunswick Class 4 Practice Test 3

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

1 / 21

This yellow diamond sign with a truck heading towards a road means?

2 / 21

What does this yellow sign mean?

3 / 21

What is a taxi?

4 / 21

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

5 / 21

What is a bus?

6 / 21

What does this green road sign mean?

7 / 21

Which of the following describes a "special vehicle"?

8 / 21

If you need to keep a daily log, what do you need to keep with you?

9 / 21

Which of these defines a "special activity bus"?

10 / 21

What makes the roads extra slippery at the start of a rainfall?

11 / 21

Which of these are requirements for a Class 4 license?

12 / 21

Which of the following classes cannot operate an ambulance with passengers?

13 / 21

This yellow warning sign means what?

14 / 21

A sign shaped like a yellow diamond with these two narrowing lines in the middle means what?

15 / 21

What does this yellow sign mean?

16 / 21

Making eye contact with cyclists around your vehicle is?

17 / 21

What does this sign mean?

18 / 21

What should you do if your car starts to skid?

19 / 21

What does this yellow sign mean?

20 / 21

What vehicle can you drive with a Class 4 license?

21 / 21

What should you never do as a school bus driver?

Thanks for taking the practice test!

Enter your info to sign up for our mailing list or click "See Result" to move on.

Your score is

The average score is 83%


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.