Maryland CDL Permit Practice Tests
Free Maryland commercial driver license practice tests covering every endorsement category. Questions are derived from the public-domain FMCSA CDL Manual — the source the Maryland Motor Vehicle Administration uses for its official knowledge tests.
Maryland CDL endorsement practice tests
Each test below contains 25 multiple-choice questions selected from a stable, Maryland-keyed shuffle of our question bank — meaning every visit shows the same set, so you can track which questions you have mastered and which still need review.
General Knowledge
50 questions on the official Maryland test · 40 correct to pass.
AIRAir Brakes
25 questions on the official Maryland test · 20 correct to pass.
COMBOCombination Vehicles
20 questions on the official Maryland test · 16 correct to pass.
HAZHazardous Materials
30 questions on the official Maryland test · 24 correct to pass.
TANKTank Vehicles
20 questions on the official Maryland test · 16 correct to pass.
DOUBLESDoubles and Triples
20 questions on the official Maryland test · 16 correct to pass.
PASSPassenger Transport
20 questions on the official Maryland test · 16 correct to pass.
SCHOOLSchool Bus
20 questions on the official Maryland test · 16 correct to pass.
How to get your CDL in Maryland
Every applicant in Maryland follows the same federally-defined sequence, with a few state-specific touches handled by the Maryland Motor Vehicle Administration:
- Confirm eligibility. You must be at least 18 for intrastate driving in Maryland and 21 for interstate or HazMat. You must hold a regular driver license and have lived in Maryland long enough to establish residency for the agency.
- Pass the DOT medical exam. A federally certified medical examiner must complete your Medical Examiner's Certificate (DOT card). Most CDL applicants schedule this before applying.
- Apply for your Commercial Learner's Permit (CLP). Visit a Maryland Motor Vehicle Administration office in Glen Burnie or anywhere in Maryland with proof of identity, residency, Social Security, and the CDL application. The CLP fee in Maryland is approximately $41.
- Pass the General Knowledge test. 50 multiple-choice questions, 80% required to pass. You must pass General Knowledge before adding any endorsement tests.
- Add the endorsement knowledge tests you need. If you'll be driving a tractor-trailer, take Combination Vehicles. If your vehicle has air brakes, take Air Brakes. Add Hazardous Materials, Tank Vehicles, Doubles/Triples, Passenger Transport, or School Bus as required by your work.
- Complete entry-level driver training (ELDT). Federal regulations require new CDL applicants to complete ELDT theory and behind-the-wheel training from a registered training provider before the skills test.
- Hold your CLP for 14 days. Federal rule. Maryland requires you to keep the CLP at least 14 days before the skills test. Permits are valid for 180 days.
- Pass the three-part skills test. Vehicle inspection, basic control skills, and on-road driving.
- Pay your CDL license fee. Approximately $115 in Maryland.
Tips for passing your Maryland CDL test the first time
Most CDL test-takers fail on details that the FMCSA Manual covers thoroughly: stopping distances, air-brake inspection sequences, placard colors, and the special rules for railroad crossings, work zones, and adverse weather. Use the practice tests above to identify your weak spots, then read the corresponding chapters of your Maryland Commercial Driver Handbook (available free from the Maryland Motor Vehicle Administration).
- Master General Knowledge first. Every endorsement assumes you know the basics — speed management, hazard perception, communication, and the "no-zone."
- Drill the air-brake test sequence in order. The air-brake check is one of the most-failed parts of the skills test. Memorize the steps and practice them on your training vehicle.
- If you'll haul HazMat, study the placards. Placard colors, hazard classes, and the segregation table are the most-tested HazMat topics.
- Review at least 100 practice questions per endorsement. Repetition trains your eye for the way official questions are written.
- Read the explanations. Don't just memorize answers — understand the underlying rule. The official test paraphrases the same concepts in different ways.
Maryland CDL agency contact
For official questions about your Maryland CDL — fees, scheduling, document requirements, medical card filing — contact the Maryland Motor Vehicle Administration directly:
| Agency | Maryland Motor Vehicle Administration |
|---|---|
| Headquarters | Glen Burnie, MD |
| Phone | 410-768-7000 |
| Permit fee | $41 |
| License fee | $115 |
| Permit validity | 180 days |
Fees and validity periods change. Confirm with the Maryland Motor Vehicle Administration before scheduling.