Maryland CDL Practice Test 2026 & Maryland MVA Rules
Prepare for your commercial driver's license with the official Maryland exam curriculum. TruckerPass combines the 985 federal FMCSA questions with Maryland-specific commercial vehicle limits, air brake testing, and the 2026 Modernized Pre-Trip inspection.
Maryland Harbor Tunnels & Fort McHenry HazMat Bans
- Baltimore Harbor Tunnel (I-895) and Fort McHenry Tunnel (I-95) strictly prohibit placarded hazardous materials and propane bulk tanks.
- HazMat vehicles must use the designated I-695 Baltimore Beltway bypass routes.
- Mountain grades on I-68 in Western Maryland feature 6% descents, runaway truck ramps, and mandatory brake check pull-offs.
- Maryland MVA requires 80% passing on the 50-question CDL General Knowledge test.
Official Maryland Test Format
- Licensing Agency: Maryland Motor Vehicle Administration (MVA)
- General Knowledge: 50 questions, 80% to pass (at least 40 correct).
- Air Brakes Endorsement: 25 questions, 80% to pass (required for air-equipped rigs).
- Combination Vehicles: 20 questions, 80% to pass (Class A tractor-trailers).
- Modernized Pre-Trip Inspection: 4-Zone component walkaround + 4-Step air brake test.
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