Maryland Combination Vehicles Test

About the Maryland Combination Vehicles Test

Driving combination vehicles in Maryland isn't the same as in other states. You've got tight ramps on the Capital Beltway (I-495), heavy traffic on I-95 through Baltimore, and winter weather that turns truck stops into ice rinks. The Port of Baltimore moves thousands of containers daily, so you'll need to back trailers into loading docks without hitting anything. This test covers what you actually face on Maryland roads.

Combination vehicles handle differently than single trucks. You'll need to manage trailer sway on the Bay Bridge's high span, especially when wind gusts exceed 30 mph. Don't forget the steep grades on I-68 near Cumberland – your air brakes and coupling skills have to be spot on. Every question here ties back to a real Maryland driving situation.

We designed this practice test to match the official Maryland MVA knowledge exam. You'll get 20 multiple-choice questions, just like the real thing. Score 80% or higher to pass. Time yourself – 25 minutes is plenty, but you don't want to rush. Use it to find weak spots before you schedule your appointment.

No fluff, no filler. Just the questions you need. Take this test on your phone while waiting at a rest stop on I-70, or at home with your handbook open. Either way, you'll know what to expect when you walk into the MVA.

What This Test Covers

• Coupling and uncoupling – critical when backing into loading docks at the Port of Baltimore
• Air brake systems – you'll use them on the steep descents of I-68 near Frostburg
• Trailer sway control – essential on the Chesapeake Bay Bridge during crosswinds
• Pre-trip inspection – MVA examiners check every detail, including your fifth wheel
• Safe speed for turns – tight radii on I-695 interchange ramps demand caution
• Weight distribution – avoid overloading trailers on Maryland's farm-to-market routes

Study Tips

Start with the Maryland CDL Combination Vehicles section in the official MVA handbook. Don't skip the illustrations – they show you how to check the fifth wheel and glad hands. Practice explaining each step out loud. That's exactly what you'll do during the pre-trip test.

Book your test at the Glen Burnie or Frederick MVA branch. They handle more CDL appointments, so you'll get a slot faster. Arrive 30 minutes early with your permit, medical card, and a vehicle that passes inspection. No leaks, no cracked lights, and your air brake pressure must hold. Use our test to check your knowledge before you pay the $75 skills test fee.

Maryland DMV Information

You can take the combination vehicles knowledge test at any Maryland MVA full-service office. Popular locations include Gaithersburg, Bel Air, and Waldorf. Schedule online at least a week ahead – walk-ins rarely get same-day slots. The test costs $50 and you'll get three tries within a year if you fail.

For the skills test, you need a valid CDL permit, proof of medical certification (DOT physical), and a combination vehicle that's registered and insured. The MVA charges $75 for the skills test. You'll drive a route that includes backing maneuvers, a straight line, and a public road segment. In Maryland, you must also pass a pre-trip inspection before the road test begins. No exceptions.

Frequently Asked Questions

Related Resources

Other Maryland CDL Practice Tests

Test Details

• State: Maryland
• Test: Combination Vehicles Test
• Questions: 106
• Passing Score: 80%
• Time Limit: 25 minutes
• Cost: Free

Need ELDT Training?

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