Maryland General Knowledge Test

About the Maryland General Knowledge Test

Maryland's roads aren't one-size-fits-all. You'll drive through the tight streets of Baltimore, across the Chesapeake Bay Bridge, and over the Appalachian Mountains on I-68. Our General Knowledge test prep gets you ready for all of it. The real exam tests your understanding of vehicle inspection, basic control, and safe driving — skills that keep you moving through the Harbor Tunnel or the fog along the Eastern Shore.

Maryland's weather changes fast. One day you're in clear sun; the next you're dealing with snow on the Capital Beltway or dense fog near the Bay. Our practice questions cover hazard awareness for these conditions. You'll also learn about the Port of Baltimore's heavy truck traffic and how to handle the tight turns near the Inner Harbor. This isn't generic training — it's built for the roads you'll actually drive.

The General Knowledge test is your first step toward a Maryland CDL. Every commercial driver, no matter the class, must pass it. We focus on the specific rules from the Maryland Commercial Driver's License Manual. You'll practice questions on air brakes, combination vehicles, and cargo securement — all topics the MVA expects you to know. No fluff, just what you need.

What This Test Covers

• Pre-trip inspection – crucial for Maryland's mix of mountain grades and coastal humidity that can rust parts.
• Vehicle controls – mastering these helps you navigate Baltimore's narrow streets and the Capital Beltway's merges.
• Hazard awareness – deer on rural routes near Frederick and fog on the Chesapeake Bay Bridge demand quick reactions.
• Emergency procedures – know what to do if your brakes fail coming down I-70 into Hagerstown.
• Road signs – Maryland uses special signs for toll roads, tunnels, and the Bay Bridge's wind warnings.
• Basic vehicle control – essential for handling the steep grades on I-68 and the stop-and-go of the ICC.

Study Tips

Don't just read the Maryland CDL manual – take notes and quiz yourself every day. The MVA tests you on exact wording from the manual, not general ideas. Use our practice tests to find your weak spots. Focus on air brakes and combination vehicles if you're going for a Class A license. Aim for 90% or higher on practice tests before you walk into the MVA.

Schedule your knowledge test at an MVA office early in the morning. That's when you'll feel freshest and the testing computers run fastest. Bring your social security card, proof of residency, and a valid driver's license. The fee is $50 for the application and first knowledge test. If you fail, you can retake it the next day, but you'll pay the $50 again. Study smart, save money.

Maryland DMV Information

You can take the General Knowledge test at any Maryland MVA location. Popular spots include Glen Burnie, Waldorf, Bel Air, and the Annapolis office. You don't need an appointment for the knowledge test – just walk in during business hours. But check the MVA website first: some offices now require reservations for CDL services. The test costs $50, which covers the application and your first try. Retakes cost $50 each.

After you pass the knowledge test, you'll get a Maryland Commercial Learner's Permit. It's valid for 180 days. You can drive with a qualified CDL holder during that time. Don't forget: if you're after hazmat, passenger, or school bus endorsements, you must pass additional written tests. Those are also given at MVA offices. For the skills test, you'll need a separate appointment and a vehicle that passes inspection.

Frequently Asked Questions

Related Resources

Other Maryland CDL Practice Tests

Test Details

• State: Maryland
• Test: General Knowledge Test
• Questions: 140
• Passing Score: 80%
• Time Limit: 60 minutes
• Cost: Free

Need ELDT Training?

If you're getting your first CDL, you need ELDT theory training before your skills test.