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

Which trailer is more likely to roll over when pulling 3 trailers?

2 / 40

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

3 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

4 / 40

A portable tank differs from a cargo tank in that ______.

5 / 40

Which of the following is a recommended procedure when unloading the students?

6 / 40

Make sure that____when the front trailer supports are up and the trailer is resting on the tractor.

7 / 40

When accelerating:

8 / 40

Surge affects the handling of a tanker by:

9 / 40

What gauge on the dashboard indicates electrical system charging rate?

10 / 40

Select the true statement about seeing ahead.

11 / 40

Which of the following are some suspension system defects?

12 / 40

In the event of an accident you should remember to do the following EXCEPT:

13 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

14 / 40

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

15 / 40

What is always required before loading, driving, or unloading a tanker?

16 / 40

At the end of each shift you should:

17 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

18 / 40

The brake pushrod should not move more than____for manual slack adjusters.

19 / 40

How can you check slack adjusters?

20 / 40

The best way to test the low air pressure warning signal is to:

21 / 40

When checking the wheelchair lift, the things you should look for are:

22 / 40

The trailer height is correct for connecting a converter dolly to a second trailer when:

23 / 40

Your bus is disabled. With riders aboard, the bus may be towed or pushed to a safe place only:

24 / 40

To find out if a shipment includes a hazardous material, you should:

25 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

26 / 40

Select the true statement in regards to crossing your air lines on a new trailer with spring brakes

27 / 40

Select the accurate statement in regards to rolling up the landing gear to complete the coupling process.

28 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

29 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

30 / 40

If students must cross the street, when they get off the bus, which statement is true?

31 / 40

Select the correct setup for shut-off valves:

32 / 40

You are required to have a tank endorsement when transporting:

33 / 40

Which of the following is the proper definition of a cargo tank?

34 / 40

Be careful to check the_____when unloading the smaller tanks of bulk heads.

35 / 40

Why should you test the tractor protection valve?

36 / 40

What are some of the important parts in the steering system?

37 / 40

While driving at night, which lights should you use as often as you can?

38 / 40

Under which two special conditions should you downshift?

39 / 40

The emergency air line is _____and the service air line is____.

40 / 40

What is the benefit of ABS?

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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.