Chauffeur license classes in the United States are the three federal Commercial Driver’s License categories — Class A, Class B, and Class C — with the right class determined by the size and type of vehicle you plan to drive and the right endorsements determining what you can carry. A handful of states also issue a separate, non-CDL chauffeur’s license for certain for-hire driving, so the full answer depends on where you live and what you’ll be behind the wheel of.
The Three CDL Classes
Federal regulations sort commercial motor vehicles into three groups, and your CDL class has to match the group you intend to operate.1eCFR. 49 CFR 383.91 – Commercial Motor Vehicle Groups
Class A covers any combination of vehicles with a gross combination weight rating of 26,001 pounds or more, provided the vehicle being towed weighs more than 10,000 pounds. Tractor-trailers, flatbeds pulling heavy equipment, and livestock haulers all sit in this group.
Class B covers any single vehicle rated at 26,001 pounds or more, or such a vehicle towing something 10,000 pounds or less. City buses, large box trucks, concrete mixers, and dump trucks are Class B.
Class C covers vehicles that don’t hit the Class A or B weight thresholds but are either designed to carry 16 or more people (driver included) or are used to transport placarded hazardous materials. Many traditional chauffeur roles — passenger vans, small shuttle buses, and limousines built for 16 or more occupants — fall here.
The classes stack downward. A Class A license lets you operate Class B and C vehicles, and a Class B license covers Class C. Class A carries the broadest authority of the three.
State Chauffeur Licenses Outside the CDL System
In some states, a “chauffeur’s license” is a distinct credential that has nothing to do with a CDL. Michigan, for example, requires a separate chauffeur’s license for anyone employed primarily to drive a vehicle with a gross vehicle weight rating of 10,000 pounds or more, anyone carrying passengers for hire, or anyone operating a bus. Michigan waives the separate license if you already hold a CDL, because the CDL exam already covers that material. Other states handle for-hire driving through an endorsement on the standard license instead of a standalone chauffeur credential. The requirements vary, so check with your state’s motor vehicle agency before applying.
Endorsements That Extend Your Class
Your class controls vehicle size. Endorsements control what you can carry or which specific vehicle type you can operate. Federal regulations recognize five:2eCFR. 49 CFR 383.93 – Endorsements
- Passenger (P), required to transport 16 or more people including yourself, with both a knowledge test and a skills test in a passenger vehicle.
- School Bus (S), required to operate a school bus, with knowledge and skills tests covering student loading, emergency evacuations, and school-zone driving.
- Hazardous Materials (H), required to haul placarded hazardous cargo, with a knowledge test and a TSA background check.
- Tank Vehicle (N), required to drive a tank vehicle, knowledge test only.
- Double/Triple Trailers (T), required to pull double or triple trailer combinations, knowledge test only.
For most chauffeur work involving passenger transport, the P endorsement is the one you need. School bus drivers need S on top of it. H and N come into play only for specialized cargo roles.
Restrictions That Quietly Narrow Your License
Restrictions limit what you can do with the class you hold, and they’re easy to pick up without meaning to. The most common is the air brake restriction: if you fail the air brake portion of the knowledge test or take the skills test in a vehicle without air brakes, your CDL bars you from driving any vehicle equipped with them.3eCFR. 49 CFR 383.95 – Air Brake Restrictions Most large commercial vehicles use air brakes, so the restriction closes off a wide range of jobs.
Other common restrictions include an automatic-transmission-only restriction (applied when you test in an automatic), an intrastate-only restriction (applied to drivers between 18 and 20 who can’t cross state lines), and passenger-vehicle restrictions tied to the class of passenger vehicle you tested in. The rule of thumb is to take your skills test in a vehicle that represents the full range of what you want to drive. Testing in a smaller or automatic vehicle to save time in training will follow you on your license until you retest.
Who Can Get a CDL
Age
You have to be at least 18 to obtain a commercial learner’s permit.4eCFR. 49 CFR 383.25 – Commercial Learners Permit (CLP) Federal rules require interstate commercial drivers to be at least 21.5eCFR. 49 CFR 391.11 – General Qualifications of Drivers Drivers 18 to 20 can get a CDL in most states, but the license carries an intrastate-only restriction confining them to the state that issued it.
Medical Certification
Every CDL holder must pass a Department of Transportation physical and carry a current Medical Examiner’s Certificate.6eCFR. 49 CFR 391.41 – Physical Qualifications for Drivers The exam is done by a certified medical examiner on FMCSA’s National Registry and covers vision (at least 20/40 in each eye), hearing, blood pressure, and general physical fitness. The certificate is normally valid for 24 months. Drivers with conditions like insulin-treated diabetes or vision waivers are placed on a 12-month cycle.7eCFR. 49 CFR 391.45 – Persons Who Must Be Medically Examined and Certified
Driving Record
Before issuing a CDL, your state checks your driving record to confirm you aren’t currently disqualified and don’t already hold a license from another state.8eCFR. 49 CFR 383.73 – State Procedures The state also has to query FMCSA’s Drug and Alcohol Clearinghouse. An unresolved violation on file blocks the state from issuing, renewing, or upgrading the license.
How You Get the License
Entry-Level Driver Training
Since February 2022, first-time Class A or Class B applicants, drivers upgrading to one of those classes, and anyone adding a P, S, or H endorsement must complete entry-level driver training (ELDT) from a provider listed on FMCSA’s Training Provider Registry.9Federal Motor Carrier Safety Administration. Training Provider Requirements FAQs ELDT covers classroom theory and behind-the-wheel instruction for the CDL classes and the P and S endorsements. The H endorsement requires theory instruction only.10eCFR. 49 CFR Part 380 Subpart F – Entry-Level Driver Training Your state verifies ELDT completion electronically through the registry before letting you take the skills test. A first-time Class C CDL without any of those endorsements does not require ELDT.
Commercial Learner’s Permit
The process starts at your state motor vehicle agency with proof of identity, proof of residency, and your Medical Examiner’s Certificate.11eCFR. 49 CFR 383.71 – Driver Application and Certification Procedures You take a written knowledge test on general commercial driving rules plus any endorsement material, and passing gets you a Commercial Learner’s Permit (CLP). The CLP is valid for up to one year and can’t be extended past that original window without retaking the knowledge test.8eCFR. 49 CFR 383.73 – State Procedures You must hold the CLP for at least 14 days before taking the skills test, and while you hold it you can only practice on public roads with a licensed CDL holder in the passenger seat.
Skills Test and Issuance
The skills test has three parts: a pre-trip vehicle inspection, basic vehicle control in a controlled area, and on-road driving with an examiner.12eCFR. 49 CFR 383.113 – Required Skills You have to take it in a vehicle that represents the class you want; testing in a smaller vehicle results in a restriction. Once you pass, the state issues your CDL, valid for up to eight years depending on the state’s renewal cycle.
What Can Cost You the License
Every CDL driver should register with FMCSA’s Drug and Alcohol Clearinghouse, the federal database that tracks drug and alcohol violations across the industry.13Drug and Alcohol Clearinghouse. Before You Register Employers query the Clearinghouse before hiring a CDL driver and at least once a year for current employees, and they can only pull your record with your electronic consent.14Drug and Alcohol Clearinghouse. Query Requirements and Query Plans Refusing consent prohibits you from performing any safety-sensitive function, including driving, for the employer that asked. An unresolved violation in the Clearinghouse blocks the state from issuing or renewing your CDL until you complete a return-to-duty process.
Federal regulations also impose mandatory disqualification periods for major offenses, whether or not you were in a commercial vehicle when they happened:15eCFR. 49 CFR 383.51 – Disqualification of Drivers
- A first offense carries a one-year disqualification for driving under the influence of alcohol or a controlled substance, an alcohol concentration of 0.04 or greater while operating a commercial vehicle, refusing an alcohol test, leaving the scene of an accident, using a vehicle to commit a felony, or causing a fatality through negligent operation.
- A first offense committed while hauling placarded hazmat carries a three-year disqualification.
- A second conviction for any combination of the above offenses carries a lifetime disqualification.
- Using a vehicle to manufacture or distribute a controlled substance carries a lifetime disqualification with no eligibility for the 10-year reinstatement that other lifetime disqualifications may allow.
The 0.04 blood alcohol threshold for commercial drivers is half the 0.08 limit that applies to personal driving in most states. A DUI conviction in your personal car still triggers a one-year CDL disqualification, which catches drivers off guard often. Protecting the license means treating your personal driving record with the same care as your professional one.