new jersey
CDL Practice Test


Welcome to the CDL practice test site for New Jersey. Questions from these tests cover rules and regulations in the NJ CDL manual. These questions are written to prepare you for the official NJ CDL test as you look to obtain your New Jersey CDL. You are welcome to take these New Jersey CDL permit practice tests as many times as you like as all of the tests on this site are free. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50 minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

2 / 40

The two other places where the hazardous identification number must appear are:

3 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

4 / 40

Which is more likely to tip over due to the crack the whip effect?

5 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

6 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

7 / 40

A tractor should not be backed under a trailer until the whole air system is:

8 / 40

If you park the trailer at an angle to the tractor when uncoupling:

9 / 40

What kind of surge can occur in a tank with baffles?

10 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

11 / 40

Air tanks should be drained:

12 / 40

Select the two things that are important in preventing a rollover:

13 / 40

Select how brakes work on long, steep downgrades:

14 / 40

Do empty trucks have the best braking?

15 / 40

Which of the following statements is FALSE:

16 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

17 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

18 / 40

What action should you take before driving while drowsy?

19 / 40

When arriving at the destination announce:

20 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

21 / 40

What is the best way to figure out how many seconds of following distance you have?

22 / 40

What is a technical name?

23 / 40

A tank trailer should never be fully loaded due to:

24 / 40

If your bus is equipped with an emergency exit door, it must:

25 / 40

Select the true statement about dual air brake systems.

26 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

27 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

28 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

29 / 40

A minimum tread depth of 2/32 inch is required for:

30 / 40

What are spring brakes?

31 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

32 / 40

What keeps air in the tanks should the air compressor develop a leak?

33 / 40

Which of the following is not a prohibited practice on the bus:

34 / 40

Cargo tanks are:

35 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

36 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

37 / 40

Select when you should use the parking brake:

38 / 40

To test the tractor-trailer connection for security, you should:

39 / 40

When there is a hazardous materials emergency. You should:

40 / 40

A tank vehicle:

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CDL Category Practice Tests

CDL Practice Test

How To Get A new jersey Commercial Drivers License

To be eligible for a CDL in New Jersey, applicants must be at least 18 years old to operate within state lines and must be at least 21 to drive a commercial vehicle across state lines. To be eligible to drive a commercial vehicle in New Jersey, applicants must provide verification that they are medically fit to operate a commercial vehicle. New Jersey applicants must pass a vision test and have 20/40 vision in each eye.

All applicants must submit the following documents when they apply for a CDL.

  • (Form MCSA-5876) Medical Examiner’s Certificate
  • CDL Holder Self-Certification Form

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in New Jersey. Applicants must possess a basic New Jersey Class D driver’s license.

New Jersey CDL Endorsements

  • H – Hazmat Vehicles
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Towing a Double or Triple Trailer

Hit the Open Road

new jersey CDL License Test Tips

Every New Jersey CDL applicant must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the New Jersey test, applicants must score 80 percent or higher. There are additional tests for applicants who want to drive specialized commercial vehicles. The New Jersey skills test can be taken 20 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans who were discharged within 12 months of completing the CDL application and active military members can have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must show proof of military enlistment or discharge or have operated a motor vehicle equivalent to a commercial motor vehicle in the military within 12 months of the application date. In addition, applicants must possess a valid New Jersey driver’s license and submit an application for a Military Skills Test Waiver that is signed by the commanding officer.

Additional Information

Information on the New Jersey Motor Vehicle Commission

The New Jersey Motor Vehicle Commission provides oversight for the CDL license requirements in New Jersey. To get more information contact them via:


Phone: 609.292.6500


Additional New Jersey CDL Helpful Links

Please use the links below to access more valuable New Jersey CDL testing resources and to learn more about practice driving tests for the state of New Jersey.