CDL LP link collection
A commercial driver's license (CDL) is required to drive large or specialized vehicles in Maryland, such as tractor-trailers, buses, and vehicles carrying hazardous materials. Find what you need below.
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Get or renew a CDL
Find out what's required, what to bring, and how to apply — whether you're getting your first CDL or renewing one -
CDL classifications, endorsements and restrictions
CDLs come in different classes based on the vehicle you drive. You may also need endorsements for certain cargo or passengers. Find out what applies to you. -
Medical certification requirements
CDL holders must meet certain health standards. Learn what certifications you need and how to submit them. -
CDL disqualification and reinstatement
Certain violations can affect your ability to hold a CDL. Learn what can disqualify you, how long a disqualification lasts, and how to apply for reinstatement.
Study for a CDL exam
Getting ready for a CDL exam? View and download the CDL manual to make sure you're ready on test day.
CDL Practice Tests
The MVA has developed comprehensive CDL practice tests to help you strengthen your knowledge and prepare for the following CDL exams:
- General CDL knowledge
- Air brakes
- Combination (tractor-trailers, doubles, triples, and straight trucks with trailers)
- Doubles/Triples
- Passenger
- School Bus
- Tanker
Use these as a valuable resource to review key topics, test your understanding, and build the confidence you need before coming in for your exam.
Ready to take a CDL practice test?
Click on the link below to view all the practice tests and get started.
Questions? We can help.
Contact us if you have questions or need more information.