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

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

2 / 40

Select the statement that is true in regards to managing space to the sides.

3 / 40

How often should air tanks be drained?

4 / 40

A driver of a tanker should use an escape ramp when _____.

5 / 40

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

6 / 40

What are the 3 methods for securing a second trailer before coupling?

7 / 40

When checking for_____you are looking for dripping fluids or puddles on the ground below the transmission or engine.

8 / 40

What is the next step after securing the bus when you have an unruly child on board?

9 / 40

Which of the following statements is FALSE:

10 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

11 / 40

An air system that is fully charged will typically have ___ psi of pressure.

12 / 40

Which of the following statements about the bus interior is false?

13 / 40

In column 1, the "D" symbol means:

14 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

15 / 40

When approaching railroad tracks, stop your bus:

16 / 40

Select the item that is not checked in the engine compartment:

17 / 40

If you are transporting cargo, you should inspect the cargo and securing devices:

18 / 40

If you work for an interstate carrier:

19 / 40

When should you drain air tanks that do not have an automatic tank drain?

20 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

21 / 40

Placarded vehicles must carry which type of fire extinguisher?

22 / 40

For emergency braking to avoid a crash when driving a double trailer you should:

23 / 40

Select which vehicles are required to have a low air pressure warning signal:

24 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

25 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

26 / 40

Select the true statement about double or triple trailers.

27 / 40

What color are all school buses painted?

28 / 40

Students exit the bus and walk:

29 / 40

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

30 / 40

What kind of surge occurs with baffles?

31 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

32 / 40

Five hazard classes that require placarding in any amount are ______.

33 / 40

Cargo tanks are:

34 / 40

You must keep shipping papers describing hazardous materials ______.

35 / 40

This gauge will indicate if the generator or alternator is charging:

36 / 40

The method used to make sure the spring brakes will come on automatically is to:

37 / 40

Why should you use chocks when parking a trailer without spring brakes?

38 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

39 / 40

Upon what does the amount of liquid you can carry in a load depend?

40 / 40

By law, the warning lights must only be used when approaching a:

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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.