CDL Practice Test


This is a free site and you are able to take the tests as a study guide as you prepare for the Indiana CDL knowledge exam. The topics covered in these Indiana practice CDL tests are taken from the Indiana CDL manual. You are welcome to take the tests as many times as you need to. 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

If hazardous material is spilling from your vehicle, do not move your vehicle:

2 / 40

Select the true statement in regards to an application pressure gauge:

3 / 40

Which of the following statements is true about speed management?

4 / 40

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

5 / 40

Select the vehicle that off-tracks the most.

6 / 40

Select the true statement about what the Air Compressor Governor controls:

7 / 40

Which of the following statements about loading and unloading cargo tanks is false?

8 / 40

This carries hydraulic fluid or air to the wheel brake assemby.

9 / 40

Which of the following statements about bus evacuation is true?

10 / 40

When conducting a pre-trip inspection, the most important item to verify is _____.

11 / 40

A shipper’s certification is best described as _____.

12 / 40

What is the standee line?

13 / 40

You should_____when checking the slack adjusters on S-Cam brakes.

14 / 40

Where can you find a shipper’s certification?

15 / 40

Select the correct description for a bulkhead tank.

16 / 40

What are shippers trying to accomplish when they package the material?

17 / 40

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

18 / 40

What is the purpose of a driver placarding his or her vehicle?

19 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

20 / 40

The longest crack that brake or disc drums can have is:

21 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

22 / 40

What should you hook up before backing a tractor to a trailer for coupling?

23 / 40

What is the best way to prevent brakes form overheating while drive down a steep grade?

24 / 40

Select the true statement in regards to brake drums or discs:

25 / 40

Which of the following is NOT a part of the steering system?

26 / 40

Select the true statement about double or triple trailers.

27 / 40

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

28 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

29 / 40

You should adjust all the outside left and right side flat mirrors to see:

30 / 40

Select the statement that tells you how you can check the low pressure warning signal.

31 / 40

Do converter dollies have spring brakes?

32 / 40

Select the true statement in regards to converter dollies:

33 / 40

How often should you check the cargo you are transporting?

34 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

35 / 40

Drivers placard their vehicle to _____ the risk.

36 / 40

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

37 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

38 / 40

Which trailer should be the first one after the tractor?

39 / 40

What is NOT one of the four skill areas that operating a commercial vehicle requires?

40 / 40

It is very important that you never smoke around which hazard classes?

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CDL Practice Test

How To Get An indiana Commercial Drivers License

All applicants for an Indiana CDL must meet strict eligibility requirements. Each applicant must be a legal resident of the state of Indiana and withhold a driver’s license that is at least one year old. Some other eligibility requirements are listed below. Individuals can apply for a CDL to transport property within the Indiana state lines at the age of 18 years old. Individuals must be 21 years of age or older to drive outside of Indiana state lines. In addition, to receive a Hazmat Endorsement or to transport people, individuals must be at least 21 years old.All applicants are required to have a DOT medical card and submit a self-certification form that describes the types of vehicles they intend to operate. Failure to submit the form or have a medical card will automatically disqualify an individual from obtaining their CDL.

Any applicants that fall into the following categories are automatically disqualified from receiving their commercial driver’s license.

  • Current driver’s license is suspended, revoked, denied, or canceled.
  • Conviction of driving a commercial vehicle impaired with the past 24 months.
  • Possessing more than one driver’s license.
  • Currently has CDL privileges disqualified or revoked in Indiana or another state.

All applicants must pass a knowledge exam and a CDL skills test in a vehicle that represents the license Class they are applying for.

X – Hazmat Tank
H – Hazardous Materials
N – Tank Vehicles
P – Passenger Vehicles
T – Double or Triple Trailers
S – School Bus

Hit the Open Road

indiana CDL License Test Tips

All applicants are required to pass a general knowledge test for their CDL. The knowledge test consists of 50 questions on the topic of commercial driving. Class A drivers must complete an additional 20 questions about combination vehicles. Those seeking endorsements must take an additional exam for each endorsement they wish to receive. A passing score for each test is at a minimum of 80 percent.

All skills tests will consist of three parts. These include a pre-trip inspection, basic control skills exam, and a road trip exam. These are to be completed at a local BMV office or other authorized examination site. An applicant must pass each part of the skills test to be eligible for their CDL.

Additional Information

Information on the Office of the Indiana Bureau of Motor Vehicles

The Indiana Bureau of Motor Vehicles is responsible for the administration of the CDL requirements and testing in Indiana. To get more information contact them via:


Phone:  888.692.6841


Additional Indiana CDL Helpful Links

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