The main classes and what vehicles they cover

A driver's license class determines which vehicles you are legally permitted to operate on public roads. The class system exists because different vehicles require different skills, training, and safety considerations. The United States does not have a single national system — each state sets its own classes, though most follow similar patterns.

The most common class is Class D (or sometimes Class C), which covers standard passenger cars, pickup trucks, and vans under a certain weight. This is what most people get when they pass their first driving test. A Class D license typically allows you to drive vehicles with a gross vehicle weight rating (GVWR) under 26,001 pounds and carrying up to 15 passengers.

If you want to drive larger vehicles — tractor-trailers, dump trucks, or buses — you need a Class A or Class B commercial license. Class A covers the heaviest combinations, including tractor-trailers with multiple trailers. Class B covers single large vehicles like dump trucks or city buses. Both require a written test, a skills test, and often a medical examination. Many states also require you to hold a Class D for a set period before you can test for a commercial class.

Key Takeaways

  • Class D (or Class C in some states) is the standard license for cars, pickup trucks, and vans under 26,001 pounds GVWR.
  • Class A commercial licenses cover tractor-trailers and the heaviest vehicle combinations; Class B covers single large vehicles like dump trucks and buses.
  • Commercial licenses require additional testing, a medical certificate, and sometimes a waiting period after obtaining a regular license.
  • Motorcycle licenses (Class M) are separate from vehicle classes and require their own test in most states.
  • Each state defines its own weight thresholds and vehicle categories, so the exact class names and rules vary by location.

Commercial Class A: Tractor-trailers and heavy combinations

A Class A commercial license (called a CDL or Commercial Driver's License in most states) permits you to operate any combination of vehicles with a GVWR of 26,001 pounds or more, as long as the towed vehicle weighs more than 10,000 pounds. This includes tractor-trailers, doubles, and triples. You can also operate any single vehicle with a GVWR of 26,001 pounds or more.

To obtain a Class A, you must pass a written knowledge test covering vehicle operation, safety, and federal regulations. You must also pass a skills test that includes a pre-trip inspection, a basic control test, and a road test. Most states require a valid medical certificate from a Department of Transportation-certified examiner before you test. Some states require you to hold a regular driver's license for one to three years before you can test for a Class A.

A Class A license also comes with endorsements — additional qualifications for specific cargo or conditions. A Hazmat endorsement allows you to transport hazardous materials. A Passenger endorsement allows you to carry 16 or more people. These endorsements require separate written tests and a background check in the case of Hazmat.

Commercial Class B: Buses, dump trucks, and single large vehicles

A Class B commercial license covers single vehicles with a GVWR of 26,001 pounds or more that are not towing another vehicle weighing more than 10,000 pounds. This includes city buses, school buses, dump trucks, cement mixers, and garbage trucks. You cannot operate tractor-trailers or any combination where the towed vehicle is heavy enough to require a Class A.

The testing process mirrors Class A: a written knowledge test, a skills test with pre-trip inspection and road components, and a DOT medical certificate. The written test covers the specific hazards and procedures for the type of vehicle you plan to operate. If you are testing for a school bus endorsement, you will answer additional questions about student safety and procedures.

Class B also allows endorsements. A Passenger endorsement is common for bus drivers and requires a separate written test. A School Bus endorsement is required in all states to drive students and involves background checks and fingerprinting in addition to the written test.

Class M: Motorcycle licenses

A Class M license (or Motorcycle license) is separate from vehicle classes and covers motorcycles, mopeds, and motorized bicycles. The requirements vary significantly by state. Some states require only a written test; others require a skills test on an actual motorcycle. Many states offer a motorcycle safety course that, upon completion, waives the riding test.

Some states issue a Class M with restrictions based on engine size or horsepower, particularly for younger riders. A rider under 18 might be limited to motorcycles under 500 cubic centimeters, while riders 18 and older can operate any motorcycle. These restrictions typically expire after a set period or when the rider reaches a certain age.

A few states issue a Class M1 for standard motorcycles and a Class M2 for mopeds or motorized bicycles, which have lower speed and engine-size limits. Check your state's motor vehicle handbook to see which applies where you live.

Restricted licenses and provisional licenses

Many states issue restricted or provisional licenses to new drivers, particularly teenagers. These licenses carry conditions such as no driving between midnight and 5 a.m., no passengers under 21, or no use of cell phones while driving. The restrictions remain in place for a set period — often six months to two years — and are lifted once the driver meets age or experience requirements.

A restricted license is still a Class D (or Class C) — it covers the same vehicles but with additional rules. Violating the restrictions can result in fines, license suspension, or both. Once the restriction period ends, you can request an unrestricted license, usually by visiting your state's motor vehicle office or renewing online.

Some states also issue hardship licenses to drivers whose licenses have been suspended, allowing limited driving for work, school, or medical appointments. These are temporary and require a court order or approval from the motor vehicle department.

How states differ in class definitions

While most states follow the federal CDL framework for commercial licenses, the names and definitions of non-commercial classes vary. Some states call the standard passenger license Class C, others Class D. A few use Class 1, Class 2, and Class 3. The weight thresholds that trigger a commercial license also differ slightly — most use 26,001 pounds GVWR, but some use different figures for specific vehicle types.

Endorsements and restrictions also vary. One state might require a Passenger endorsement to drive a 15-passenger van; another might not. Motorcycle classifications differ widely: some states have separate classes for different engine sizes, while others issue a single Class M for all motorcycles.

Before you test for any license class, check your state's motor vehicle handbook or website. The handbook lists the exact classes available, the vehicles each covers, the tests required, and any waiting periods or prerequisites. Most state motor vehicle offices provide the handbook free online or in print.

Frequently Asked Questions

Can I drive a 15-passenger van with a regular Class D license?

It depends on your state and the van's GVWR. If the van weighs under 26,001 pounds and you are not transporting passengers for compensation, a Class D usually covers it. However, some states require a Passenger endorsement if the van carries 15 or more people. Check your state's rules before driving a large van.

Do I need a commercial license to drive a pickup truck?

No. A standard Class D license covers pickup trucks as long as the truck's GVWR is under 26,001 pounds, which includes most personal-use pickups. Heavy-duty trucks used for commercial hauling may exceed this threshold and require a commercial license.

What is the difference between a CDL and a commercial license class?

CDL stands for Commercial Driver's License and is the federal term. Commercial license classes (Class A, Class B) are the state-level categories within the CDL system. All CDLs follow federal standards, but each state administers its own tests and issues its own licenses.

Can I get a motorcycle endorsement on my regular driver's license instead of a separate Class M?

Most states issue a separate Class M license for motorcycles. A few states allow a motorcycle endorsement on a Class D license. Check your state's motor vehicle office to see which system applies where you live.

What happens if I drive a vehicle that requires a higher license class than I have?

Driving without the proper license class is illegal and can result in fines, points on your driving record, and license suspension. If you are caught operating a commercial vehicle without a CDL, penalties are typically more severe than for operating a non-commercial vehicle with an improper class.