Louisiana CDL Practice Test 2026 & Louisiana OMV Rules
Prepare for your commercial driver's license with the official Louisiana exam curriculum. TruckerPass combines the 985 federal FMCSA questions with Louisiana-specific commercial vehicle limits, air brake testing, and the 2026 Modernized Pre-Trip inspection.
Louisiana Atchafalaya Swamp Freeway & Petrochem Rules
- The 18-mile Atchafalaya Basin Bridge on I-10 enforces a strict 60 MPH commercial speed limit with mandatory right-lane-only travel.
- Heavy petrochemical freight along the Mississippi River corridor (Baton Rouge to New Orleans) requires strict HazMat placarding and routing.
- Sudden super-fog (smoke from marsh burning combined with dense river fog) creates zero-visibility chain reaction collision hazards.
- Louisiana OMV requires an 80% passing score on the 50-question CDL test.
Official Louisiana Test Format
- Licensing Agency: Louisiana Office of Motor Vehicles (OMV)
- 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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