Free Texas CDL Practice Tests 2026

• Assessment Format: Computer-based at Texas DPS offices
• General Knowledge Assessment: 50 questions, need 80% to pass
• Permit Validity: 180 days (6 months)
• Waiting Period: 14 days before skills assessment
• Languages: English and Spanish
• Fees: $25 for Commercial Learner's Permit (CLP), $61 for CDL (ages 18-84)
• Skills Assessment Fee: $61
• Endorsement Fees: $11 per endorsement assessment
• Hazmat Endorsement: Additional $86.50 for TSA background check
• Retesting: Wait 24 hours to retest on failed sections

The Texas CDL knowledge test is the first step to a commercial driving career. It's a comprehensive assessment of your knowledge about commercial operating regulations and safety practices. You must pass this test to get your Commercial Learner's Permit (CLP), which is required before taking the skills test for a full Commercial Driver's License. The test covers federal and Texas-specific regulations, commercial motor vehicle operation techniques, safety procedures, and traffic laws to ensure you're prepared to safely operate commercial vehicles in Texas and beyond.

You need to take the test if you're in any of these situations:

• First-time CLP applicants
• Adding a new endorsement to your existing CDL
• Upgrading your CDL class (like moving from Class B to Class A)
• Reinstating a CDL that's been expired for over 2 years
• Transferring a CDL from another state and adding new endorsements

All applicants must take the general knowledge test plus additional tests for specific endorsements like Passenger (P), School Bus (S), Tank Vehicles (N), Hazardous Materials (H), or Doubles/Triples (T). Each endorsement has its own test tailored to the specific knowledge needed for that type of commercial vehicle or cargo.

The test ensures commercial drivers have the knowledge to operate large, complex commercial motor vehicles safely. It verifies your understanding of regulations, safety practices, technical vehicle knowledge, and emergency procedures. Commercial motor vehicles can cause significant damage in accidents due to their size, weight, and potential hazardous cargo. The test is the first step in ensuring you're prepared for the responsibility of commercial operation and helps reduce accident risks on Texas roads.

The Texas CDL knowledge test follows Federal Motor Carrier Safety Administration (FMCSA) standards while incorporating Texas-specific regulations. This ensures national consistency in commercial driver qualifications while addressing state-specific requirements and road conditions. Topics include general operating skills, air brake operations, combination vehicles, and specific endorsements. Passing the Texas CDL test means your commercial operating credentials will be recognized throughout the United States, allowing you to operate commercial motor vehicles across state lines (as long as you meet age and other requirements for interstate commerce).

The Texas CDL knowledge tests include several sections to thoroughly test your preparedness:

• Texas Commercial Rules test: 25 questions (must be taken first)
• General Knowledge test: 50 questions
• Air Brakes test: 25 questions
• Combination Vehicles test: 20 questions

For endorsements, each has its own question count:

• Passenger Endorsement: 20 questions
• School Bus Endorsement: 20 questions
• Hazmat Endorsement: 30 questions
• Tank Vehicles Endorsement: 20 questions
• Doubles/Triples Endorsement: 20 questions

All questions are multiple-choice with 4 possible answers to thoroughly evaluate your knowledge of safety procedures, regulations, and technical aspects of commercial motor vehicles.

Sample question: What is required on your commercial motor vehicle during a roadside inspection?

A. A back-up generator for emergency lighting

B. At least 20 gallons of extra fuel in approved containers

C. A valid CDL and medical card for all drivers present

D. A current copy of your vehicle registration and insurance

Answer: D. A current copy of your vehicle registration and insurance

You must answer 80% of the questions correctly on each test. For the Texas Commercial Rules test, you'll need 20 out of 25 questions correct. For the General Knowledge test, 40 out of 50 questions correct.

The endorsement tests have their own passing scores:

• Air Brakes: 20 out of 25
• Combination Vehicles: 16 out of 20
• Passenger Endorsement: 16 out of 20
• School Bus Endorsement: 16 out of 20
• Tank Vehicles Endorsement: 16 out of 20
• Doubles/Triples Endorsement: 16 out of 20
• Hazardous Materials Endorsement: 24 out of 30

Remember that in Texas, you'll take the Texas Commercial Rules test first, then proceed to other tests. Each test is scored separately, and you must pass each one individually. If you fail one test but pass others, you'll only need to retest the failed test.

In Texas, CDL knowledge tests are available in English and Spanish. However, federal regulations require all commercial drivers to read and speak English sufficiently to perform essential tasks. These include understanding traffic signs and signals, responding to official inquiries, completing required reports and records, and communicating with the public and emergency personnel.

Even if you take the test in Spanish, you must demonstrate adequate English proficiency as required by federal regulations for commercial driving. This bilingual test option helps more Texans enter commercial driving while still meeting safety standards.

No! You cannot use notes, electronic devices, reference materials, or calculators during the test. Test areas are monitored, and using prohibited materials will result in immediate failure and possible disqualification from future testing. All personal items must be stored in a designated area during your test time.

Prohibited items include:

• Cell phones and electronic devices
• Notes or cheat sheets
• Commercial Driver License manuals
• Reference materials of any kind
• Calculators (unless authorized for certain questions)

Using prohibited materials during the test will result in immediate disqualification and may affect your ability to test again in the future. Prepare thoroughly before test time rather than risk your CDL.

There's no time limit to take the Texas CDL knowledge tests! Most applicants complete the General Knowledge test in 60-90 minutes. Endorsement tests typically take 30-45 minutes each.

If you're taking multiple tests in one visit, plan accordingly. The Texas Department of Public Safety (DPS) gives you enough time to complete the tests without rushing. If you have documented learning disabilities or other special needs, accommodations may be available with proper documentation provided in advance. This flexible timing helps ensure all applicants have a fair chance to demonstrate their knowledge.

Texas has a range of CDL knowledge tests to ensure you're prepared for your specific commercial driving career:

• Texas Commercial Rules test: Unique to Texas and must be taken first by all applicants
• General Knowledge test: Required for all CDLs regardless of class
• Air Brakes test: For vehicles with air brakes
• Combination Vehicles test: Required for Class A licenses

For specialized operations, there are various endorsements:

• Passenger (P) Endorsement: For buses
• School Bus (S) Endorsement: For school buses
• Doubles/Triples (T) Endorsement: For multiple trailer configurations
• Tank Vehicle (N) Endorsement: For liquid cargo
• Hazardous Materials (H) Endorsement: For transporting hazardous materials

You only need to take the tests for the type of commercial driving you plan to do and the endorsements you need for your career path.

Sample question: In Texas, when overtaking a school bus that has stopped with its red lights flashing, you must:

A. Pass at no more than 10 mph

B. Stop regardless of which direction you're traveling

C. Honk your horn before proceeding slowly

D. Continue driving normally if you're on a divided highway with a barrier

Answer: B. Stop regardless of which direction you're traveling

General Knowledge: Vehicle inspection procedures, basic control, shifting gears, space management, night operating, adverse weather conditions, emergency procedures, cargo handling, accident procedures, fires, fatigue awareness, and basic hazardous materials regulations.

Air Brakes: System components and function, dual air brake systems, inspecting air brakes, proper use in various conditions, emergency stops, brake system failures, and brake lag/fade.

Combination Vehicles: Coupling and uncoupling procedures, inspection points, handling characteristics, rollover prevention, jackknife avoidance, turning techniques, and backing procedures for combination vehicles.

Passenger (P): Passenger loading and unloading procedures, proper use of emergency exits, passenger communication, accessibility requirements, dealing with disruptive passengers, and railroad crossing requirements for passenger vehicles.

School Bus (S): Student loading and unloading procedures, emergency evacuation protocols, operating around schools, railroad crossing procedures, student management, danger zones around the bus, and special equipment.

Doubles/Triples (T): Coupling and uncoupling multiple trailers, handling characteristics during various maneuvers, inspection procedures, identifying and correcting handling problems, and operating in adverse conditions.

Tank Vehicle (N): Liquid surge and weight distribution effects on handling, baffled versus non-baffled tanks, loading/unloading procedures, and special braking for partially full tanks.

Hazardous Materials (H): Classification and identification of hazardous materials, proper documentation, loading/unloading procedures, driving rules, emergency response procedures, and security awareness. Additionally, applicants must undergo a Transportation Security Administration (TSA) background check.

Preparation is key! Start by studying all relevant sections of the Texas CDL Manual for your license class and endorsements. Also take our free practice tests to identify your knowledge gaps—this is one of the best ways to prepare.

Create a study schedule over several weeks rather than cramming at the last minute. Many successful applicants make flashcards for difficult concepts and technical terms and focus extra time on tough topics like air brakes and hazmat regulations.

Review the pre-trip inspection procedures thoroughly since this knowledge carries over to your skills test. Pay special attention to Texas-specific regulations and prerequisites since they differ from other states. Study vehicle systems and components until you understand how they work—surface-level memorization won't be sufficient for the test. Your preparation should be comprehensive and start well before your test date.

Yes! Our free Texas practice tests are designed to build your confidence and readiness. They help identify knowledge gaps in your understanding and build confidence through repeated practice. They also simulate the actual test environment and format, so there are no surprises on test day.

You'll benefit from tracking your progress as you improve and understanding explanations for both correct and incorrect answers. Our practice tests familiarize you with the types of questions asked on the actual test, so you'll experience less test anxiety and better performance.

Our practice tests cover all CDL test categories and are updated regularly to reflect current testing standards. Using practice tests has been shown to increase first-time pass rates, so they should be part of your study plan.

To maximize your chances of passing:

• Start with a solid study plan 2-3 weeks before your test date
• Focus on understanding concepts, not just memorizing answers
• Take our practice tests to identify and focus on weak areas
• Get plenty of rest the night before your test
• Eat a good meal before testing to stay focused
• Read questions completely before answering
• Look for keywords like "always," "never," or "except" that can change the question
• If unsure about an answer, safety-oriented answers are often a good strategy
• Review all answers before submitting if the testing system allows
• Stay calm and focused throughout the test—anxiety can cloud your thinking

Sample question: When fueling your commercial motor vehicle, you should:

A. Keep the nozzle in contact with the tank to prevent static electricity

B. Let a passenger monitor the fueling while you do paperwork

C. Run the engine to make sure the fuel pump is working

D. Fill the tank completely to minimize the number of stops

Answer: A. Keep the nozzle in contact with the tank to prevent static electricity

Our practice tests are like the real thing! They cover the same topics and format as the actual test, though the specific questions will be different. We design our questions to mirror the style, difficulty, and content of the actual Texas CDL knowledge test.

The practice tests help you get used to question formats and wording styles you'll see on the real test. They also help with content coverage and depth, time management during testing, and developing critical thinking skills for test success.

Focus on understanding concepts, not just memorizing specific answers, as the actual test draws from a large question bank and each test is unique. Your goal should be to master the material comprehensively rather than memorizing specific questions and answers.

You'll take your Texas CDL knowledge test at designated Texas Department of Public Safety (DPS) driver license offices that offer commercial licensing services. Not all DPS offices offer CDL testing, so check the Texas DPS website or call ahead to confirm which locations offer commercial testing services.

Major testing locations are in Austin, Dallas, Fort Worth, Houston, San Antonio, El Paso, and other cities throughout Texas. Each testing location has specialized equipment and trained staff for CDL testing. Some locations may offer more flexible scheduling than others, so check multiple locations to see if you can get an earlier appointment if you need to get your CLP quickly.

Yes, appointments are highly recommended for CDL knowledge tests in Texas! You can schedule through the Texas DPS website or by calling your local DPS office. Making an appointment ensures you'll be tested at your preferred time and location.

Some locations may accept walk-ins for CDL testing, but be aware that wait times can be very long, and you may not be able to test that day if capacity is reached. During peak periods, appointment slots may be booked several weeks in advance, so plan accordingly. Since demand is high, scheduling your appointment as far in advance as possible is the best way to ensure you can test when you need to.

No, you cannot take the test online. All CDL knowledge tests must be taken in person at authorized Texas DPS offices to ensure security, identity verification, and test integrity. This is a federal requirement that applies to all states, not just Texas.

In-person testing prevents cheating and ensures the person receiving the CDL is the one who demonstrated the knowledge. While some third-party providers may offer online practice tests or training, be aware that the official CDL knowledge tests in Texas must be taken at a DPS office in person. Plan to travel to your testing location and allow enough time for the entire process.

Be prepared with all required documents:

• Valid Texas driver's license (you must already have a Texas Class D license before applying for a CDL)
• Social Security card or proof of your Social Security number (W-2, pay stub with name and SSN, Medicare/Medicaid card, etc.)
• Proof of U.S. citizenship or lawful permanent residency (birth certificate, U.S. passport, permanent resident card, etc.)
• Current DOT Medical Certificate (Form MCSA-5876)
• Completed CDL application and Supplement Application for Texas CDL Certifications
• Self-certification of medical status
• Payment for applicable fees

All documents must be original or certified copies—photocopies are not accepted. Metal or facsimile Social Security cards are not acceptable. Gather all these documents well before your appointment date to avoid last-minute stress or appointment rescheduling.

Arrive at least 30 minutes early to allow time for document verification, application processing, fee payment, and getting settled before the test begins. Being on time shows professionalism and ensures you have enough time for all pre-test procedures.

If you arrive late, you may have to reschedule. First-time applicants should arrive 45 minutes early to allow time for additional paperwork processing. Traffic and parking at DPS offices can be unpredictable, especially in major cities, so plan accordingly. Missing your appointment due to tardiness means delays in your CDL process and potentially having to wait weeks for another available slot.

Congratulations, you passed! You'll receive a Commercial Learner's Permit (CLP) valid for 180 days (6 months) with specific conditions:

• You must wait at least 14 days before taking the skills test
• You can only operate with a qualified CDL holder in the passenger seat who is at least 21 years old and holds the same class of CDL or higher for the vehicle you're operating
• No passengers are allowed except supervisors, trainees, or examiners
• You cannot transport hazardous materials
• Other restrictions may apply based on vehicle type and endorsements

Remember, you'll also need to complete Entry-Level Driver Training (ELDT) prerequisites before taking your skills test if you're getting a Class A or Class B CDL or adding a passenger (P), school bus (S), or hazardous materials (H) endorsement for the first time.

Endorsements you passed assessments for will be listed on your CLP. Keep your CLP and your regular driver's license with you whenever you're behind the wheel of a commercial motor vehicle.

Your Texas CLP is your key to hands-on learning! With it, you can practice operating commercial motor vehicles while supervised by a qualified CDL holder. This is the time to develop the skills needed to pass the behind-the-wheel skills test.

You can get familiar with the type of commercial motor vehicle you plan to operate professionally and practice pre-trip inspections, basic control skills, and on-road operating techniques under supervision. This practice time is crucial to develop the skills needed to pass the skills test and become a safe commercial driver.

Many CDL applicants use this practice period to get familiar with common routes, practice backing in safe locations, and build confidence with the vehicle's handling. Make the most of this learning period rather than rushing to take your skills test as soon as the 14-day waiting period ends.

Test scores are valid for 180 days, the same as your CLP. If your CLP expires before you take the skills test, you can renew your CLP one time before it expires without retaking the knowledge tests. The CLP can be renewed up to 30 days prior to the expiration date.

This gives you some extra time to take the skills test, but you should still plan to finish within the initial 6-month window if possible. The validity period ensures your knowledge is current when you get your full CDL. Planning your timeline carefully can save you from retesting, so schedule your skills test with plenty of time before your CLP expires.

If you don't pass a section of the knowledge test, don't panic! You'll have to wait at least 24 hours before retesting, and you'll only have to retest the sections you failed. Use our practice tests to focus on the areas where you need improvement.

You can only take the written test three times within a 90-day period in Texas, and you must pay the applicable fee ($11) each time you retest. Multiple failures may mean you need more preparation or a different study approach, so consider changing your study methods if you're struggling with certain topics.

Analyzing your incorrect answers to understand why they were wrong is more valuable than just retrying without additional study. Focused review of troublesome topics is the most efficient way to success on your next attempt.

Sample question: If you're transporting hazardous materials in Texas, which of these documents must you have?

A. A special Texas Hazmat route permit for all counties

B. A shipping paper that includes the material's identification number and proper shipping name

C. A contract with an emergency response company

D. Documentation proving you completed Hazmat training within the last 30 days

Answer: B. A shipping paper that includes the material's identification number and proper shipping name

After holding your CLP for at least 14 days and completing your Entry-Level Driver Training (ELDT) prerequisites, you're ready for the next step! Schedule an appointment at one of the 29 designated Texas DPS offices that offer CDL skills testing. Make sure your CLP is valid and your medical certificate is current before scheduling.

You'll need to:

• Arrange for a test vehicle that matches your CDL class and endorsements
• Pay the skills test fee ($61)
• Bring a passenger who is at least 21 years old and qualified to operate a commercial motor vehicle with the same class of CDL or higher than the test vehicle

The skills test consists of three parts:

• Pre-trip inspection (Vehicle Inspection)
• Basic vehicle control
• On-road operating demonstration

The Texas DPS has implemented the American Association of Motor Vehicle Administrators CDL Skills Test Modernization initiative at most testing locations, which includes modernized protocols and helpful checklists for applicants. Thorough preparation for all three parts before scheduling is key to success.