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Commercial Driver's License (CDL) Syllabus
Federally regulated license, with written and skills tests, required to operate commercial trucks and buses.. The complete Commercial Driver's License (CDL) outline — 7 subjects, 25 chapters and 104 topics — laid out so you can see exactly what has to be covered and tick each item off as you go.
Commercial Driver's License (CDL) subjects
Each subject below has its own page with the full chapter → topic → sub-topic tree and a set of real exam-style flashcards.
4 chapters · 18 topics · 13 sub-topics
Vehicle Inspection, Maintenance, and Control Systems3 chapters · 13 topics · 9 sub-topics
Safe Driving Practices and Hazard Awareness4 chapters · 17 topics · 6 sub-topics
Air Brakes and Combination Vehicles4 chapters · 16 topics · 5 sub-topics
Cargo Handling and Hazardous Materials4 chapters · 16 topics · 4 sub-topics
Passenger Transport, School Bus, and Special Operations3 chapters · 12 topics · 4 sub-topics
Trip Planning, Hours of Service, and Documentation3 chapters · 12 topics · 2 sub-topics
Commercial Driver's License (CDL) flashcard decks
367 question-and-answer cards across 7 decks, written against this syllabus. Preview any deck free.
- CDL Fundamentals, Licensing, and Federal Regulations — 50 cards
- Vehicle Inspection, Maintenance, and Control Systems — 52 cards
- Safe Driving Practices and Hazard Awareness — 52 cards
- Air Brakes and Combination Vehicles — 61 cards
- Cargo Handling and Hazardous Materials — 52 cards
- Passenger Transport, School Bus, and Special Operations — 50 cards
- Trip Planning, Hours of Service, and Documentation — 50 cards
How to work through the Commercial Driver's License (CDL) syllabus
The outline on this page is arranged the way the syllabus itself is: subject, then chapter, then topic, then sub-topic. That last level is what most study plans skip, and it is where coverage actually goes wrong — a chapter marked "done" often has three sub-topics inside it that were never touched.
Weight your plan accordingly: CDL Fundamentals, Licensing, and Federal Regulations carries 18 topics while Trip Planning, Hours of Service, and Documentation carries 12. Giving both the same number of weeks is the most common planning mistake for Commercial Driver's License (CDL).
The ~85 hour estimate above is a first pass only: roughly 45 minutes per topic plus 12 minutes per sub-topic. Revision cycles, past papers and mocks sit on top of that number.
Commercial Driver's License (CDL) syllabus FAQ
What subjects are in the Commercial Driver's License (CDL) syllabus?
Commercial Driver's License (CDL) covers 7 subjects: CDL Fundamentals, Licensing, and Federal Regulations, Vehicle Inspection, Maintenance, and Control Systems, Safe Driving Practices and Hazard Awareness, Air Brakes and Combination Vehicles, Cargo Handling and Hazardous Materials, Passenger Transport, School Bus, and Special Operations and Trip Planning, Hours of Service, and Documentation. Together they contain 25 chapters and 104 named topics.
How much do you have to study for Commercial Driver's License (CDL)?
The full Commercial Driver's License (CDL) outline breaks down into 25 chapters, 104 topics and 43 sub-topics. CDL Fundamentals, Licensing, and Federal Regulations is the largest single subject with 18 topics across 4 chapters.
How long does it take to cover the whole Commercial Driver's License (CDL) syllabus?
Roughly 85 hours for one full pass. That estimate allows about 45 minutes per topic plus 12 minutes per sub-topic, so it is first-pass coverage — revision, past papers and mock tests sit on top of it. At 3 hours a day that is about 4 weeks.
Are there Commercial Driver's License (CDL) flashcards?
Yes — 367 question-and-answer flashcards across 7 decks, one per subject, written against this syllabus. A sample of every deck is readable on this site for free, and the complete decks are in the Examius app.
Is this Commercial Driver's License (CDL) syllabus free to use?
Yes. Every page here is free to read, and importing the Commercial Driver's License (CDL) syllabus into the Examius app to tick off topics as you finish them is free too, in United States and everywhere else. No account is needed to start.
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