While CDL standards are federal, the actual exam questions may vary slightly from state to state.
Pass the 2026 Commercial Driver’s License tests with confidence. Prepare with over 2,500 questions based on federal FMCSA standards. Covers General Knowledge, Air Brakes, and Endorsements.
🔒 This is Premium content. Get access to restricted content — extended DMV Tests, Study Guides, and CDL exams.
Get Premium AccessAlready purchased? Log in
CDL Class A Tests
Prepare for your Class A Commercial Driver’s License in 2026. These core exams cover the mandatory requirements for operating combination vehicles. Master the General Knowledge, Air Brakes, and Combination Vehicles sections to build the foundation of your trucking career using our comprehensive practice materials.
10 Tests
General Knowledge
Master the core requirements for all commercial drivers, from vehicle control to accident procedures. Contains a pool of 100 questions. Each test displays 50 questions, requiring 40 correct answers to pass.
5 Tests
Air Brakes
Essential for driving vehicles equipped with air brakes. Learn how to inspect, use, and maintain the system safely. Access a total of 55 practice questions. You will face 25 questions per run and need 20 correct to pass.
5 Tests
Combination Vehicles
Focuses on the specifics of driving tractor-trailers. Covers coupling, uncoupling, and preventing rollovers. Study from a bank of 40 questions. The test consists of 20 questions, with a passing score of 16 correct answers.
CDL Endorsement Tests
Expand your career opportunities with CDL endorsements. Unlock higher-paying jobs by certifying for specialized cargo and vehicles. Our practice tests cover HazMat (H), Passenger (P), School Bus (S), and Tanker (N) endorsements, helping you pass these additional written exams with confidence.
5 Tests
HazMat (H)
Prepare for transporting hazardous materials. This rigorous test covers placarding, loading rules, and emergency procedures. Test yourself against 55 total questions. Answer 24 out of 30 questions correctly to succeed.
5 Tests
Passenger (P)
Designed for drivers of buses and transport vehicles. Topics include loading, unloading, and ensuring passenger safety. Database size: 35 questions. Each attempt shows 20 questions; you must get 16 right.
5 Tests
School Bus (S)
Strict standards for transporting students. Learn about danger zones, crossing procedures, and student management. Practice with 40 available questions. Complete a 20-question test by scoring at least 16.
3 Tests
Tanker (N)
Understand the dynamics of liquid loads. Key topics include surge control, baffled vs. unbaffled tanks, and safe braking. Selects from 46 questions. Your session will have 20 questions, requiring 16 correct answers.
4 Tests
Doubles/Triples (T)
Advanced handling for pulling multiple trailers. Focuses on stability, tracking, and the “crack-the-whip” effect. Full pool: 40 questions. Each test generates 20 questions with a passing threshold of 16.
CDL Specialized Tests
Master critical safety and inspection skills for 2026. Going beyond standard driving rules, these tests focus on practical safety compliance. Drill into the Pre-Trip Inspection and Hazard Perception scenarios to ensure you are fully prepared for both the written test and the road skills exam.
2 Tests
Pre-Trip Inspection
The most critical routine for any driver. Learn exactly what to check in the engine compartment and around the vehicle. Includes 40 questions. You will be tested on 25 items and need 20 correct to pass.
2 Tests
Hazard Perception
Sharpen your defensive driving skills. Test your ability to spot potential dangers and react before they become accidents. Challenge yourself with 42 scenarios. A test includes 20 questions; aim for 16 correct answers.
Why Choose Our CDL Prep?
Commercial driving rules are 95% identical across the US because they are based on federal regulations. While some states have specific administrative rules or fees, the core safety questions you will face are the same whether you are in Texas or New York.
We prepare you for the Federal Standard:
- Official Source: All questions are based on the 2026 FMCSA manual.
- Complete Coverage: From General Knowledge to HazMat and Tankers.
- Hardest Sections: Dedicated practice for Air Brakes and Pre-Trip Inspection.
Yes, about 95% of the content is identical nationwide because it is based on federal FMCSA regulations. However, administrative rules (fees, age requirements) and specific safety laws (especially for School Buses) can vary slightly by state.
Statistically, most students struggle with the Air Brakes technical questions and the Pre-Trip Inspection memorization. We recommend spending extra time on these sections using our dedicated practice tests.
Our materials are reviewed periodically and updated where applicable to reflect changes in relevant regulations and publicly available state manual revisions. They are designed to align with current standards.
Administrative procedures and testing requirements may vary by state.
No. Every CDL driver must pass the General Knowledge test. The others depend on what you want to drive. For example, if you drive a truck with air brakes, you must pass the Air Brakes test. If you haul liquids, you need the Tanker endorsement.
