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Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Indiana doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The IN CDL doubles triples test covers the following sections of the Indiana CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this IN CDL practice test now to prepare for the actual test! Important: Triple trailers are not legal in Indiana.
1. The maximum amount of play in a 20-inch steering wheel is:
1/4 inch
5 inches
2 inches
1/2 inch
2. If there is a fire and you are not sure what to use to put it out, you should:
wait for firefighters.
use a fire extinguisher.
use water.
use dry powder.
3. Tire load is defined as:
the minimum safe weight a tire can carry at a specified pressure.
the maximum safe weight a tire can carry at a specified pressure.
the weight transmitted to the ground by 1 tire.
the minimum tire pressure.
4. When stopping you should push the brake pedal down:
as hard as you can.
repeatedly.
quickly.
gradually.
5. On front tires, tread should be at least:
4/16 inch
2/32 inch
1/16 inch
4/32 inch
6. Longer combination vehicles have the tendency to swing wide on turns. This is called:
hydroplaning.
rollover.
off-tracking.
jackknifing.
7. Which of the following will NOT help you prevent rollover?
Driving slowly around turns.
Keeping the cargo as close to the ground as possible.
Using the controlled braking method.
All of the above.
8. Blocking and bracing are:
used to keep cargo from sliding and to prevent movement of cargo.
coupling devices used to connect the service air lines from the truck or tractor to the trailer.
driving techniques used to regain control when your drive wheels start to skid.
None of the above.
9. Which of the following is not a type of retarder?
Electric
Exhaust
Hydraulic
Pressure
10. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
convex mirrors make things look larger and closer than they really are.
you should check your after the start of any trip to make sure they are properly adjusted.
every registered motor vehicle must have at least one mirror.
there are blind spots that your mirrors cannot show you.
 
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Frequently Asked Questions

For a learner’s permit, you can apply at the age of 15 if you are enrolled in an approved behind-the-wheel training course. Alternatively, if you don’t complete a driver's education course, you must be 16 years of age or older. At the age of 16 years and 90 days, you can obtain a probationary driver's license after you have completed an approved driver education program. For those who have not completed an approved driver education program, the minimum age to obtain a probationary driver's license is 16 years and 270 days. For a standard driver's license, you must be 21 years old.

Generally, you don't schedule an appointment for the BMV written test. Simply choose an Indiana BMV branch and make sure to arrive at least 30 minutes before closing time to complete the exam. However, if you require an interpreter for a language not provided by the BMV, you will need to schedule an appointment online.
Ensure you bring the following documents:

  • Proof of identity. Provide legal proof of the name change if your current name is different due to marriage, adoption, etc.
  • One lawful status document (such as a U.S. birth certificate or U.S. passport).
  • Proof of Social Security Number.
  • Two proofs of residency. If you cannot provide two residency documents, you have the option to submit an Indiana Residency Affidavit.
  • Certificate of driver education course (if applicable).
  • If you are a minor, an adult must sign the back of the application for the Agreement of Financial Liability.


The BMV written test in Indiana is available in various languages, including American Sign Language, French, Korean, Serbian, Arabic, German, Mandarin, Spanish, Burmese, Haitian Creole, Polish, Swahili, Chin, Hindi, Punjabi, Tagalog, Croatian, Japanese, Russian, and Vietnamese. If you speak a language not offered by the BMV, you should arrange for an interpreter yourself and make an appointment online for the exam.

You should read the Indiana Driver’s License Handbook to familiarize yourself with the most common road rules and safe driving practices. Evaluate your knowledge with our free practice tests, or sign up for DMV Premium to unlock exclusive PDF Cheat Sheets!

The Indiana BMV test comprises 50 questions divided into two parts. The first part covers 34 questions about traffic rules and laws, while the second part includes 16 questions about road signs. All questions are multiple-choice, so be sure to read them carefully before providing your answers.

To pass, you are allowed to miss up to 8 questions (6 general questions and 2 traffic sign questions). Stay focused during the exam and take the time to review your answers to minimize errors and pass the test on the first attempt.

Learner's permit restrictions:
  • The use of any telecommunications device is prohibited, unless for calling 911.
  • If you are under 16 years of age and enrolled in a driver education program, you are allowed to drive only under the supervision of a driving instructor seated next to you. Additionally, you may drive with a licensed driver aged 25 or older who is a member of your family or with your spouse who must be at least 21 years old.

Probationary driver's license restrictions:
  • The use of any telecommunications device is prohibited, unless for calling 911.
  • During the first 180 days after obtaining your probationary driver’s license, you are not allowed to drive with passengers unless accompanied by a licensed driver who is at least 25 years old, your spouse who must be at least 21 years old, or a driver instructor.
  • During the first 180 days after obtaining your probationary driver’s license, driving is forbidden between 10 p.m. and 5 a.m. After this period, further restrictions apply:
- from Sunday to Thursday after 11 p.m.
- from Monday to Friday before 5 a.m.
- during the weekend between 1 a.m. and 5 a.m.

Exceptions to these restrictions include situations related to work, school, or religious events, or if you are accompanied by an adult with a valid driver's license aged 25, or your spouse who must be at least 21.


Learner’s permits are valid for two years. You can renew your permit starting 30 days before the expiration date. If you renew it after more than 180 days since your last knowledge test, you will need to retake the exam.
If you fail your BMV written test, you must wait until the next day to make another attempt. Before trying again, carefully study the rules of the road and memorize road signs.

IN CDL Doubles Triples Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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