Select a Test
- General Knowledge Test
- Combination Vehicles Endorsement Test
- Airbrakes Endorsement Test
- Doubles & Triples Endorsement Test
- Tankers Endorsement Test
- Hazmat Endorsement Test
- Passenger Endorsement Test
- School Bus Endorsement Test
- Pre-Trip Test
- Texas Special Requirements Test
General Knowledge Test
Are you gearing up to conquer the CDL General Knowledge test? Look no further! Whether you're a seasoned driver or just starting your journey in the world of commercial driving, this practice test is here to equip you with the knowledge and confidence you need to pass with flying colors. Our comprehensive platform offers over 1000 free CDL practice test questions designed to help you pass your CDL written exam on the first attempt in 2025.
Welcome to CDL Study Buddy - Your Complete CDL Exam Preparation Resource
Preparing for your commercial driver's license exam in 2025? CDL Study Buddy is your trusted partner for CDL test preparation. Our comprehensive platform offers over 1000 free CDL practice test questions designed to help you pass your CDL written exam on the first attempt. Whether you're studying for your CDL Class A, Class B, or Class C license, or preparing for specialized endorsements like hazmat, tanker, doubles/triples, passenger, or school bus, we have everything you need to succeed.
Combination Vehicles Endorsement Test
Ready to conquer the CDL Combination Vehicles Endorsement Test? At first glance, the test may seem daunting, but fear not. This practice test is designed to demystify the exam, provide practical strategies for preparation, and empower you to approach the test with assurance and expertise. The CDL Class A license is required for operating combination vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more, including tractor-trailers, semi-trucks, and truck and trailer combinations.
Airbrakes Endorsement Test
Welcome to our in-depth guide on acing the CDL air brakes endorsement test! Whether you're gearing up for your first commercial driver's license or looking to expand your driving qualifications, mastering the air brakes endorsement test is a crucial step. Fear not, our practice test will help prepare you for success in the CDL air brakes endorsement test. Understanding air brake systems and operation is essential for all CDL Class A and Class B drivers.
Doubles & Triples Endorsement Test
If you're aiming to conquer the CDL Doubles & Triples Endorsement Test, you're in the right place. Whether you're just getting started or looking to brush up on your knowledge, this practice test will equip you with the essential information and strategies needed to confidently tackle the doubles and triples test. This endorsement is required for pulling double or triple trailers and covers coupling/uncoupling procedures, inspecting multiple trailers, and safe operation of longer combination vehicles.
Tankers Endorsement Test
Navigating the CDL Tankers Endorsement Test doesn't have to be daunting. With the right preparation and understanding of the test's requirements, you can approach it with confidence. This practice test is your roadmap to success, providing valuable insights and tips to help you prepare effectively for the CDL Tankers Endorsement Test. Our tanker endorsement practice test includes questions about liquid surge, baffles, bulkheads, and safe tanker operation crucial for drivers hauling liquids, gases, or other materials in tank vehicles.
Hazmat Endorsement Test
As a professional driver, obtaining your CDL Hazmat Endorsement is a crucial step in expanding your career opportunities. In this practice test, we'll walk you through the ins and outs of the Hazmat Endorsement Test, providing essential tips and insights to help you succeed. Required for transporting hazardous materials, our hazmat practice test covers placarding, loading/unloading procedures, emergency response, and hazmat regulations. This endorsement requires a TSA background check and is essential for drivers transporting chemicals, gases, explosives, and other dangerous goods.
Passenger Endorsement Test
Aspiring to obtain your CDL Passenger Endorsement? Look no further. This practice test is your ultimate resource for conquering the test and gaining a competitive edge in the passenger vehicle transportation sector. Gear up for a deep dive into the essentials of the exam, tailored to empower your success. Necessary for driving vehicles designed to carry 16 or more passengers, our passenger endorsement practice test includes questions about loading/unloading passengers, emergency exits, railroad crossings, and passenger safety.
School Bus Endorsement Test
Aspiring to add the School Bus Endorsement to your CDL? Look no further. In this practice test, we'll navigate through the intricacies of the endorsement test, offering expert advice and in-depth analysis of the key areas you need to focus on. By the end, you'll feel empowered and ready to tackle the exam head-on. Required for operating school buses, our school bus practice test covers student management, loading/unloading procedures, railroad crossings, emergency evacuations, and special safety considerations for transporting children.
Pre-Trip Inspection Test
As a commercial driver, acing the pre-trip inspection test is non-negotiable. It's not just about demonstrating your expertise – it's about ensuring the safety of yourself and others on the road. In this practice test, we'll break down the pre-trip inspection process, arming you with the insights and strategies you need to excel. Vehicle inspection procedures and pre-trip inspection are essential topics covered in all CDL exams.
Texas Special Requirements Test
When it comes to obtaining your CDL in Texas, navigating the special requirements test is essential. From endorsements to specific knowledge areas, this test demands a thorough understanding of the distinct regulations. Get ready to gain valuable insights that will equip you for success in this specialized examination.
Why Choose CDL Study Buddy for Your CDL Exam Preparation?
CDL Study Buddy stands out as the premier CDL practice test platform for aspiring commercial drivers across the United States. Our platform is specifically designed to mirror the actual CDL written exam format, ensuring you're fully prepared when test day arrives. Here's what makes us the best choice for your CDL test prep:
Comprehensive Question Bank
Access over 1000 CDL practice test questions covering every topic on the CDL exam including general knowledge, air brakes, combination vehicles, pre-trip inspection, and all endorsement tests.
All License Classes Covered
Whether you need a CDL Class A for tractor-trailers, Class B for buses and large trucks, or Class C for hazmat and passenger vehicles, we have dedicated practice tests for each license class.
Every Endorsement Included
Prepare for hazmat (H), tanker (N), doubles/triples (T), passenger (P), and school bus (S) endorsements with specialized practice questions that match the actual endorsement exams.
State-Specific Preparation
While CDL standards are federal, we include state-specific questions and regulations for all 50 states including California, Texas, Florida, New York, Illinois, Pennsylvania, Ohio, Georgia, and North Carolina.
All CDL License Classes Covered
CDL Class A License
The CDL Class A license is required for operating combination vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more, provided the towed vehicle is heavier than 10,000 pounds. This includes tractor-trailers and semi-trucks, truck and trailer combinations, tanker trucks, livestock carriers, and flatbed trailers. Our CDL Class A practice test covers general knowledge, air brakes, combination vehicles, and pre-trip inspection questions essential for passing your Class A CDL exam.
CDL Class B License
The CDL Class B license allows you to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or tow vehicles not exceeding 10,000 pounds. This includes straight trucks and box trucks, large passenger buses, segmented buses, city buses and school buses, and dump trucks with small trailers. Our CDL Class B practice test includes questions on general knowledge, air brakes, passenger transport, and school bus operation.
CDL Class C License
The CDL Class C license is required for vehicles designed to transport 16 or more passengers (including the driver) or hazardous materials. This includes small passenger buses and vans, hazmat vehicles under 26,001 pounds, and combination vehicles not covered by Class A or B. Our CDL Class C practice test focuses on passenger safety, hazmat regulations, and general commercial driving knowledge.
How CDL Study Buddy Helps You Pass Your CDL Exam
Our proven study methodology has helped thousands of students pass their CDL written exam on the first attempt. Here's how we ensure your success:
Realistic Practice Tests
Our CDL practice tests are designed to closely mirror the actual CDL written exam format. You'll experience the same types of questions, difficulty level, and time constraints as the real test, eliminating surprises on exam day.
Comprehensive Coverage
We don't just cover the basics. Our question bank includes every topic from the CDL manual including vehicle inspection procedures and pre-trip inspection, basic vehicle control and safe driving techniques, air brake systems and operation, combination vehicles and coupling/uncoupling, hazardous materials regulations and placarding, tanker vehicle operation and liquid surge, passenger transport and safety, school bus operation and student management, doubles and triples operation, hours of service regulations, cargo securement and weight distribution, and emergency procedures and accident prevention.
CDL Practice Tests for All 50 States
While the CDL is a federal license with standardized requirements, each state administers its own CDL written exam. CDL Study Buddy provides comprehensive preparation for all states including California, Texas, Florida, New York, Illinois, Pennsylvania, Ohio, Georgia, North Carolina, and 41 more states. Whether you're taking your CDL exam in California DMV, Texas DPS, Florida DHSMV, New York DMV, or any other state, we have you covered with state-specific practice tests and regulations.
Career Opportunities with Your CDL License
Earning your commercial driver's license opens doors to a rewarding career with excellent earning potential. CDL holders are in high demand across multiple industries. High-demand CDL careers include:
- Long-Haul Truck Driver: Transport goods across state lines with Class A CDL. Average salary: $50,000-$75,000+
- Local Delivery Driver: Make daily deliveries with Class B CDL. Average salary: $40,000-$60,000
- Hazmat Driver: Transport hazardous materials with H endorsement. Average salary: $55,000-$80,000+
- Tanker Driver: Haul liquids and gases with N endorsement. Average salary: $50,000-$75,000
- Bus Driver: Transport passengers with P endorsement. Average salary: $35,000-$55,000
- School Bus Driver: Transport students with S endorsement. Average salary: $30,000-$45,000
The trucking industry faces a significant driver shortage, meaning qualified CDL holders have excellent job security and opportunities for advancement.
Frequently Asked Questions About CDL Practice Tests
How many questions are on the CDL practice test?
CDL Study Buddy offers over 1000 practice questions covering all CDL test sections including general knowledge, air brakes, combination vehicles, and all endorsements. The actual CDL written exam typically has 50 questions for general knowledge and 20-30 questions for each endorsement test.
What is the passing score for the CDL exam?
Most states require a passing score of 80% or higher on the CDL written exam. This means you need to answer at least 40 out of 50 questions correctly on the general knowledge test. Our practice tests help you consistently achieve scores above 90%.
Are these CDL practice tests free?
Yes! CDL Study Buddy provides completely free access to all CDL practice test questions, study materials, and exam preparation resources for all license classes (A, B, C) and endorsements including hazmat, tanker, doubles/triples, passenger, and school bus.
How long should I study for the CDL test?
Most students need 2-4 weeks of consistent study to pass the CDL written exam. With CDL Study Buddy's practice tests, students who complete at least 500 practice questions and score consistently above 85% typically pass on their first attempt.
Does CDL Study Buddy cover all states?
Yes! Our CDL practice tests cover requirements for all 50 states. While the federal CDL standards are consistent nationwide, we include state-specific questions and regulations for California, Texas, Florida, New York, Illinois, Pennsylvania, Ohio, Georgia, North Carolina, and other states.
What's the difference between CDL Class A, B, and C?
Class A allows you to operate combination vehicles (tractor-trailers) over 26,001 pounds GCWR. Class B is for single vehicles over 26,001 pounds GVWR. Class C is for vehicles carrying 16+ passengers or hazardous materials. Each requires different CDL practice test preparation.
Do I need endorsements for my CDL?
Endorsements are required for specialized operations: H (hazmat), N (tanker), T (doubles/triples), P (passenger), and S (school bus). Each endorsement requires passing an additional written test. CDL Study Buddy provides practice tests for all endorsements.
State CDL Handbook
The CDL Handbook, also known as the Commercial Driver's License Handbook, is a comprehensive guide that provides information and guidelines for individuals seeking to obtain a commercial driver's license (CDL). The CDL Handbook includes detailed information on various topics related to commercial driving, such as road rules, traffic regulations, safe driving practices, vehicle inspections, and transporting hazardous materials. It also covers specific knowledge required for operating different types of commercial vehicles, such as tractor-trailers, buses, and tankers.
The CDL Handbook is an essential resource for individuals preparing to take the CDL written knowledge test. It helps familiarize aspiring commercial drivers with the information they need to know to pass the exam and obtain their CDL.
Start Your CDL Exam Preparation Today
Don't leave your CDL exam success to chance. Join thousands of successful commercial drivers who trusted CDL Study Buddy for their CDL test preparation. With over 1000 free practice questions, comprehensive coverage of all license classes and endorsements, and state-specific preparation for all 50 states, you'll have everything you need to pass your CDL written exam on the first attempt.
Whether you're pursuing a CDL Class A license for long-haul trucking, a Class B for bus driving, or a Class C with hazmat endorsement, CDL Study Buddy is your complete CDL exam preparation solution. Our practice tests are updated for 2025, mobile-friendly, and completely free forever.