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Delaware CDL Study Material by license class

Pick the class you are testing for. Each one bundles the tests that class requires.

Most popular

Delaware Class A CDL Study Material

Pulling a trailer over 10,000 lbs takes a Class A. Three written tests stand between you and that license: General Knowledge, Air Brakes, and Combination Vehicles. This covers all three, plus the skills test. Around Delaware you will see it in automotive parts, plus port and container freight.

  • 📖 General Knowledge
  • 🛑 Air Brakes
  • 🚛 Combination Vehicles
  • ✅ Skills Test
  • 🎧 CDL Manual Audio
Study material

Delaware Class B CDL Study Material

Straight trucks, dump trucks, and buses over 26,001 lbs need a Class B. If that is the vehicle you will drive, this is the study material for its knowledge and skills tests, without the Class A combination-vehicle content you do not need. Around Delaware you will see it in automotive parts, plus transit and school districts.

  • 📖 General Knowledge
  • 🛑 Air Brakes
  • ✅ Skills Test
  • 🎧 CDL Manual Audio
Study material

Delaware Class C with Passenger CDL Study Material

Vans and small buses that carry 16 or more people need a Class C with a Passenger endorsement. Both tests are covered here: General Knowledge and Passenger. Delaware (DE) employers that hire for it: chemical and pharmaceutical manufacturing.

  • 📖 General Knowledge
  • 🚌 Passenger
  • 🎧 CDL Manual Audio
Study material

Delaware Class C + HazMat CDL Study Material

Delivering placarded hazardous materials in a lighter vehicle still requires a CDL: a Class C with HazMat. This covers the General Knowledge test and the HazMat test that come with it. In Delaware that is mostly food distribution, plus chemical and pharmaceutical manufacturing work.

  • 📖 General Knowledge
  • ⚠️ Hazardous Materials
  • 🎧 CDL Manual Audio

Specialty study material

Endorsement combinations and the Class B to Class A upgrade.

Study material

Delaware School Bus CDL Study Material

School districts and their contractors only hire drivers who hold both the School Bus (S) and Passenger (P) endorsements. Add them to your CDL with the three tests included here. In Delaware that is mostly Delaware school districts and their contractors work.

  • 📖 General Knowledge
  • 🚌 Passenger
  • 🚐 School Bus
  • 🎧 CDL Manual Audio
Study material

Delaware HazMat + Tanker CDL Study Material

Fuel, chemical, and bulk-liquid tankers require HazMat and Tank Vehicles together, the X endorsement. This prepares you for both tests so you can take those hauls. Food distribution, plus chemical and pharmaceutical manufacturing are the big Delaware (DE) employers for this license.

  • ⚠️ Hazardous Materials
  • 🛢️ Tank Vehicles
  • 🎧 CDL Manual Audio
Upgrade

Delaware Class B to Class A Upgrade Study Material

Already hold a Class B and being asked to pull trailers? Moving up to Class A means passing Combination Vehicles and Air Brakes. This program covers both, plus the upgrade theory. Around Delaware you will see it in chemical and pharmaceutical manufacturing, plus port and container freight.

  • 🚛 Combination Vehicles
  • 🛑 Air Brakes
  • ⬆️ Class B to A Upgrade

Delaware Individual Study Material

Already have most of what you need? Buy just the tests you are missing. Add enough of them and your cart upgrades to the matching study material automatically.

Core knowledge

📖

Delaware General Knowledge

General Knowledge covers the core rules, safe driving practices, vehicle inspection steps, and cargo basics every commercial driver must know before getting behind the wheel. Automotive parts, plus transit and school districts are the big Delaware (DE) employers for this license.

🛑

Delaware Air Brakes

Air Brakes prepares drivers to understand, inspect, and safely operate vehicles equipped with air brake systems. Delaware (DE) employers that hire for it: automotive parts.

🚛

Delaware Combination Vehicles

Combination Vehicles covers tractor-trailers and other vehicle combinations, including coupling, air lines, inspections, and trailer handling. Delaware (DE) employers that hire for it: port and container freight, plus automotive parts.

✅

Delaware Skills Test

Skills prep focuses on pre-trip inspection, basic vehicle control, and on-road driving readiness. Delaware (DE) employers that hire for it: chemical and pharmaceutical manufacturing, plus port and container freight.

Endorsements

🚌

Delaware Passenger

Passenger prep focuses on safely operating passenger-carrying commercial vehicles. Delaware Division of Motor Vehicles gives this test in Delaware.

🚚

Delaware Doubles and Triples

Doubles/Triples covers multiple-trailer operation, including coupling, inspections, stability, and following distance. The Delaware jobs behind it: port and container freight, plus food distribution. You test with Delaware Division of Motor Vehicles.

🛢️

Delaware Tank Vehicles

Tank Vehicles focuses on liquid or gaseous cargo and how surge affects braking, turning, and stability. In Delaware that is mostly chemical and pharmaceutical manufacturing, plus port and container freight work.

⚠️

Delaware Hazardous Materials

The HazMat endorsement is for drivers who transport hazardous materials that require placards. Chemical and pharmaceutical manufacturing, plus port and container freight are the big Delaware (DE) employers for this license.

🚐

Delaware School Bus

School Bus endorsement focuses on student transportation, loading and unloading, crossings, stop procedures, and emergency planning. Delaware school districts and their contractors are the big Delaware (DE) employers for this license.

Add-ons

🎧

Delaware CDL Manual Audio

Narrated audio for all CDL study material. Listen while you drive, walk, or review on any device. Delaware Division of Motor Vehicles gives this test in Delaware.

⬆️

Delaware Class B to A Upgrade

Theory review for Class B CDL holders upgrading to Class A, covering combination vehicle operation, coupling, and HOS. The Delaware jobs behind it: food distribution, plus automotive parts. You test with Delaware Division of Motor Vehicles.

Which study material fits Delaware?

Recommendations based on the work that hires CDL drivers in Delaware.

Delaware HazMat + Tanker CDL Study Material

Chemical and pharmaceutical manufacturing: fuel, crude, and chemical tankers need both HazMat and Tank (X)

See the Delaware details →

Delaware Class A CDL Study Material

Port and container freight: tractor-trailer freight and drayage is Class A work

See the Delaware details →

Delaware School Bus CDL Study Material

Delaware school districts and their contractors: S and P endorsements on a Class B

See the Delaware details →

Delaware Complete CDL Study Material

Not sure which Delaware jobs you will take: every class and endorsement Delaware Division of Motor Vehicles can test, in one place

See the Delaware details →

Delaware CDL work concentrates on the I-95, I-295 corridors and the Dover area. The practice questions use the vehicles, loads, and conditions common on those routes.

  • Delaware DMV states its CDL manual covers CDL requirements, CDL procedures, testing requirements, and basic knowledge needed to obtain a CDL.
  • Delaware DMV notes CDL renewals may only be completed within 30 days before expiration.
  • Delaware began implementing the modernized CDL skills test at DMV locations on February 26, 2025.

Testing, appointments, and fees are handled by Delaware Division of Motor Vehicles. Not sure which class you need? Use the Delaware CDL Selector, or read about Delaware CDL classes and endorsements.

Common Delaware questions

Which Delaware CDL study material should I buy?
Match it to the vehicle: Class A for tractor-trailers, Class B for straight trucks and buses, Class C with Passenger for vans and small buses. Add HazMat + Tank for fuel and chemicals and School Bus for district work. The Complete study material covers all of it if you are undecided. The free Delaware CDL Selector asks a few questions and picks for you.
Are these practice tests valid for the Delaware CDL exam?
Yes. CDL knowledge tests follow the federal standard in 49 CFR 383, so the material applies in Delaware. Tests are administered by Delaware Division of Motor Vehicles; each product page lists the Delaware specifics for that test.
How long do I have access?
120 days from purchase for each product, or 180 or 365 days if you pick a longer term, with unlimited practice tests during that time. Most Delaware applicants pass well inside that window, and a retake at Delaware Division of Motor Vehicles is still covered if needed.