New Mexico CDL Practice Test 2026 & New Mexico MVD Rules
Prepare for your commercial driver's license with the official New Mexico exam curriculum. TruckerPass combines the 985 federal FMCSA questions with New Mexico-specific commercial vehicle limits, air brake testing, and the 2026 Modernized Pre-Trip inspection.
New Mexico Weight-Distance Tax & High-Altitude Passes
- New Mexico levies a mandatory Weight-Distance Tax (WD Permit) on commercial vehicles operating on state highways.
- High altitude on I-40 through the Continental Divide (over 7,200 ft elevation) causes engine horsepower loss in naturally aspirated engines.
- Port of entry inspection stations at Gallup, Anthony, and San Jon mandate stopping for all commercial carriers.
- New Mexico MVD requires 80% passing on the 50-question General Knowledge exam.
Official New Mexico Test Format
- Licensing Agency: New Mexico Motor Vehicle Division (MVD)
- 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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