The symbols on your Missouri license tell police, employers, and ID checkers what you can and cannot do

Your Missouri driver's license contains several codes and symbols printed on the front and back. These are not decorative — they communicate restrictions, endorsements, and special conditions that explore to your driving privileges. A police officer checking your license during a traffic stop will look at these codes to know whether you are legally allowed to drive a commercial vehicle, whether you need corrective lenses, or whether your license has been suspended. An employer checking your license for a job that requires driving will see the same information. Understanding what each symbol means helps you know your own driving rights and avoid violations you did not know existed.

Missouri organizes these codes into four categories: your license class (the type of vehicle you can drive), restrictions (limits on how or what you can drive), endorsements (special permissions you have earned), and status indicators (whether your license is currently valid). Each code is a single letter, and together they form a complete picture of your legal driving authority.

Key Takeaways

  • Restriction codes appear as letters (A through O) on the back of your license and limit what you can drive or how you must drive.
  • Endorsement codes appear as letters (H, M, P, T, X) and give you permission to drive vehicles or carry cargo you could not otherwise operate.
  • The front of your license shows your class (D, E, F, or M) which determines the weight and type of vehicle you can legally drive.
  • A red "SUSPENDED" banner or "INVALID" stamp means your license is not currently legal to use, and driving with it is a crime.
  • If you do not understand a code on your license, the Missouri Department of Revenue can explain it or correct an error.

License class: what vehicle type you can drive

Your Missouri license shows a class letter in the upper right corner of the front. This letter — D, E, F, or M — is the foundation of your driving privileges. Class D is the standard passenger vehicle license for most adults. Class E is for drivers under 18 or those who have not yet passed the full exam. Class F is for drivers who have failed the commercial driving test but still need to drive non-commercial vehicles. Class M is for motorcycle-only operation.

The class determines the maximum weight of vehicle you can drive and whether you can operate commercial vehicles at all. If your license says Class D, you can drive a passenger car, pickup truck, or van up to a certain weight limit, but you cannot legally operate a semi-truck, bus, or dump truck even if you know how to drive one. Driving a vehicle heavier or more complex than your class permits is a violation, and you can be cited even if you caused no accident. Your class is the first thing to check before you get behind the wheel of any vehicle you do not regularly drive.

Restriction codes: limits on how and what you can drive

The back of your license lists restriction codes as single letters. Each letter stands for a specific limit. The most common restriction is B, which means you must wear corrective lenses (glasses or contacts) while driving. If you have restriction B and you drive without them, you are breaking the law even if your vision is otherwise fine. Restriction D means you cannot drive at night. Restriction E means you cannot drive on the interstate highway system.

Other restrictions include F (automatic transmission only — you cannot drive a manual shift vehicle), G (no passengers under 20 years old), H (no towing), I (no two-way radio operation), J (no CB radio operation), K (no air brakes), L (no full air brake operation), M (no passengers for hire), N (no tank vehicles), and O (no hazardous materials). If you have restriction G because you are a young driver, you cannot legally carry passengers under 20 unless a parent or guardian is in the front seat — the restriction is enforced by police and violations can result in fines or license suspension. Check your restrictions before each trip to make sure you are driving legally.

Endorsement codes: permission to drive special vehicles or cargo

Endorsement codes are the opposite of restrictions — they give you extra permission. You must pass a separate test to earn an endorsement, and it appears on the back of your license as a letter. Endorsement H means you are licensed to drive a vehicle with air brakes. Endorsement M means you can operate a motorcycle (and this appears on Class D licenses for drivers who have passed the motorcycle test). Endorsement P means you can carry passengers for hire — this is required for taxi drivers, rideshare drivers, and bus drivers.

Endorsement T means you can tow a trailer, and endorsement X means you can carry hazardous materials. These endorsements require written and sometimes practical exams because the vehicles or cargo are more dangerous or complex. If you want to drive for Uber or Lyft, you need endorsement P. If you want to tow a horse trailer or boat trailer commercially, you need endorsement T. Driving without the endorsement you need is a violation, even if you are skilled at the task. You can earn multiple endorsements on a single license if you pass the required tests.

Status indicators: suspension, revocation, and invalid licenses

If your license has been suspended, the word "SUSPENDED" appears in red across the front of the card. A suspension is temporary — your driving privileges are taken away for a set period (often 30 days to one year), after which you can restore them by paying a reinstatement fee and meeting any other conditions. Common reasons for suspension include unpaid traffic fines, failure to appear in court, or accumulating too many points from violations. During a suspension, you cannot legally drive, and doing so is a crime.

A revoked license is more serious. The word "REVOKED" or "INVALID" appears on the card, and revocation is usually permanent or lasts many years. Revocation happens after serious violations like driving under the influence, reckless driving, or accumulating a very high number of points. If your license is suspended or revoked, you cannot legally drive, and doing so is a crime that can result in jail time, additional fines, and a longer suspension.

Some licenses show an "INVALID" stamp, which means the license is not currently legal to use. This can happen if you have not renewed it by the expiration date, if you have not paid a reinstatement fee after a suspension, or if there is an error on the card. You must resolve the issue at a Missouri Department of Revenue office before you can legally drive. If you are unsure whether your license is valid, contact the department or visit an office to check your status.

Real ID and federal compliance markings

Missouri driver's licenses issued after May 2023 include a Real ID star — a gold or black star in the upper right corner of the front. This star means your license meets federal security standards and can be used to board a domestic airplane or enter a federal building. If your license does not have the star, you can still drive, but you cannot use it as identification for air travel — you would need a passport instead.

The Real ID star does not change your driving privileges or restrictions. It is purely a federal identification marker. If you have an older Missouri license without the star and you need to fly domestically, you can renew your license to get one, or you can use a passport at the airport. The star is not a restriction or endorsement — it is straightforward proof that your identity was verified to a higher standard when you got the license. Many people renew their licenses specifically to get the Real ID star for travel purposes.

How to read your license: a step-by-step example

Here is how to find and understand each code on your own license. On the front, look in the upper right corner for your class letter (D, E, F, or M). Below that, you may see a Real ID star. On the back, look for a line that says "RESTRICTIONS" or "ENDORSEMENTS" followed by letters. Each letter is a separate code. If you see "B D E", that means you have three restrictions: corrective lenses required, no night driving, and no interstate driving.

If you see "M P", that means you have two endorsements: motorcycle operation and passenger-for-hire operation. If you see "SUSPENDED" in red on the front, your license is not currently valid. If you are unsure what a code means, you can call the Missouri Department of Revenue at 573-526-2407 or visit a local office — they can explain any code and correct errors on your card. Taking a few minutes to read your own license now will help you understand your rights and avoid accidental violations.

What to do if you see an error or do not understand a code

If your license shows a restriction or endorsement you do not believe is correct, or if you cannot read a code clearly, contact the Missouri Department of Revenue. You can visit any Missouri license office in person, call the main office, or check the department website for your local office location and hours. Bring your current license and any documents that support your case (for example, if you believe a restriction B was added in error, bring proof that you have had corrective lenses prescribed).

Errors on licenses do happen — a restriction may be added by mistake, or a code may be printed unclearly. The department can issue a corrected license, usually within a few business days. If your license is suspended or revoked and you believe it was done in error, you have the right to request a hearing. The department will send you information about how to request one when they suspend or revoke your license. Do not wait to address an error — driving with an incorrect restriction or endorsement can result in citations.

Frequently Asked Questions

Can I drive if my license has restriction B but I forgot my glasses?

No. Driving without the corrective lenses required by restriction B is a violation, and you can be cited by police even if you caused no accident and your vision is otherwise good. If you forget your glasses, do not drive — call a friend, use a rideshare service, or wait until you have them.

What does it mean if my license says "INVALID"?

Your license is not currently legal to use for driving. This usually means it has expired, you have not paid a reinstatement fee after a suspension, or there is an error on the card. You must visit a Missouri Department of Revenue office to resolve the issue before you can legally drive again.

Do I need a special endorsement to drive for Uber or Lyft?

Yes, you need endorsement P, which means you are licensed to carry passengers for hire. You must pass a written test at a Missouri license office to earn it. Without endorsement P, driving for a rideshare company is a violation of your license terms.

What is the difference between a suspension and a revocation?

A suspension is temporary — your driving privileges are taken away for a set period, after which you can restore them by paying a fee and meeting conditions. A revocation is usually permanent or lasts many years and is imposed for serious violations. Both mean you cannot legally drive during that time.

If my license does not have a Real ID star, can I still drive?

Yes, you can still drive. The Real ID star only affects whether you can use your license as identification for air travel or federal buildings. It does not change your driving privileges. You can still drive with an older license without the star.