texas
CDL Practice Test

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As you prepare to obtain your CDL in Texas, you can use this site as a guide for practicing common test questions. Rules and regulations covered on these practice tests for a CDL are based on questions from the Texas TxDPS CDL manual. You can take these practice tests as often as you like on your computer or mobile device, and all the tests on this site are 100% free. 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

Should your air compressor stop working:

2 / 40

What is the best way to see the sides and rear of your vehicle?

3 / 40

The direction of liquid movement not prevented by baffles is:

4 / 40

Rods, connecting links, and arms from the steering box to the wheel are a part of the:

5 / 40

Before pulling away, make sure the landing gear of the trailer is:

6 / 40

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

7 / 40

It is important to know the outage required for the liquids you carry because:

8 / 40

You should check____when loading the small tanks of a cargo tank with bulkheads.

9 / 40

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

10 / 40

Select the true statement about stop valves in a cargo tank:

11 / 40

You should____when an emergency requires you to quickly stop due to a crash.

12 / 40

Secure baggage and freight in ways that avoid damage and:

13 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

14 / 40

Surge affects the handling of a tanker by:

15 / 40

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

16 / 40

If you are required to stop at railroad crossings, you must:

17 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

18 / 40

How should the hand valve be used?

19 / 40

When inspecting your bus, you must make sure that:

20 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

21 / 40

What handling effect will baffles have?

22 / 40

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

23 / 40

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

24 / 40

A tank vehicle:

25 / 40

What kind of surge occurs with baffles?

26 / 40

Select the correct description for a bulkhead tank.

27 / 40

The emergency air line is used to:

28 / 40

Select the true statement in regards to your brake function when your ABS fails

29 / 40

What is the movement of the liquid called when the tanks are partially filled?

30 / 40

To transport cargo safely, which of these are you NOT responsible for?

31 / 40

Which of the following statements about downshifting is NOT true?

32 / 40

How much space should there be between the lower and upper fifth wheel?

33 / 40

What is the normal operating range for a truck's oil pressure?

34 / 40

Where can you find a shipper’s certification?

35 / 40

____is the most common type of foundation brakes used by heavy vehicles.

36 / 40

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

37 / 40

What is the safest way to stop unruly behavior on the bus?

38 / 40

If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?

39 / 40

Which of the following is a clue another driver is impaired:

40 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

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CDL Category Practice Tests

CDL Practice Test

How To Get A texas Commercial Drivers License

To be eligible for a CDL in Texas, applicants must meet the following age eligibility requirements.

  • Be at least 18 years old to operate a commercial vehicle intrastate (within Texas only).
  • Be at least 21 years old to operate a commercial vehicle interstate (outside of Texas).

Texas CDL applicants must be medically certified that they are fit enough to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

  • (Form CDL-4) Interstate Driver Certification
  • (Form CDL-5) Intrastate Driver Certification
  • (Form CDL-10) Certificate of Physical Exemption 49 CFR Part 391/390

Some applicants may be required to submit a Medical Examiner’s Certificate. Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Texas. Applicants can be disqualified for having multiple licenses.

Texas CDL Endorsements

  • H – Hazmat Vehicles
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Double or Triple Trailer
  • X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

texas CDL License Test Tips

All Texas CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Texas CDL test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees.  The Texas skills test can be taken 14 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 and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must be currently enlisted in the military and:

  • Possess a valid Texas driver’s license.
  • Have at least 2 years of military truck driving experience. The military vehicle must be similar to the commercial motor vehicle.
  • Have been honorably discharged from the military within the past 12 months.
  • Submit (Form CDL-ST WVR) Application for Military Skills Test Waiver signed by your commanding officer.

Additional Information

Information on the Texas Department of Public Safety

The Texas Department of Public Safety administers CDL license requirements in Texas. To get more information contact them via:

Website: http://www.dps.texas.gov/DriverLicense/CommercialLicense.htm

Phone: 512.424.2000

 

Additional Texas CDL Helpful Links

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