South Carolina CDL Practice Test 2026 & South Carolina DMV Rules
Prepare for your commercial driver's license with the official South Carolina exam curriculum. TruckerPass combines the 985 federal FMCSA questions with South Carolina-specific commercial vehicle limits, air brake testing, and the 2026 Modernized Pre-Trip inspection.
South Carolina Port of Charleston Intermodal Logistics
- Intermodal container chassis operations at the Port of Charleston require meticulous pre-trip inspection of twist locks and chassis brake lights.
- South Carolina Move Over Law requires commercial drivers to slow down or change lanes when passing stationary emergency and utility vehicles.
- Coastal hurricane evacuation routes along I-26 feature potential contraflow lane reversals under governor emergency orders.
- South Carolina DMV requires 80% on the 50-question CDL General Knowledge test.
Official South Carolina Test Format
- Licensing Agency: South Carolina Department of Motor Vehicles (SCDMV)
- 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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