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

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

2 / 40

When should you check your mirrors for a lane change?

3 / 40

Select the definition of "off-tracking."

4 / 40

When stopped on a divided highway where should your reflectors be placed?

5 / 40

Front wheel brakes are good under what kind of conditions?

6 / 40

Who is responsible for certifying on the bills of lading that the hazardous materials are prepared properly?

7 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

8 / 40

Select the true statement about handling triples and doubles:

9 / 40

What color and shape is the trailer air supply control?

10 / 40

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

11 / 40

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

12 / 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.

13 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

14 / 40

In what position should shut off valves on the rear of the last trailer be in on a set of double trailers?

15 / 40

Select the true statement in regards to brake drums:

16 / 40

Which of the following would NOT be part of a standard vehicle inspection?

17 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

18 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

19 / 40

Which of the following types of cargo can never be carrier on a bus with riders?

20 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

21 / 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.

22 / 40

When approaching railroad tracks, stop your bus:

23 / 40

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

24 / 40

What is most likely to occur when the front wheels begin to skid?

25 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

26 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

27 / 40

Which of the following statements is true about speed management?

28 / 40

A safe haven is:

29 / 40

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

30 / 40

When accelerating:

31 / 40

It has just reached freezing. Which of the following areas is slippery?

32 / 40

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

33 / 40

What is the main difference between a portable tank and a cargo tank?

34 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

35 / 40

You should back up slowly until____when coupling the trailer.

36 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

37 / 40

When does your vehicle's single brake system need an adjustment?

38 / 40

How often should you drain your air tanks?

39 / 40

What is a technical name?

40 / 40

When should you not use the parking brakes?

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CDL Category Practice Tests

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.