Oklahoma CDL Practice Test 2026 & Service Oklahoma Rules
Prepare for your commercial driver's license with the official Oklahoma exam curriculum. TruckerPass combines the 985 federal FMCSA questions with Oklahoma-specific commercial vehicle limits, air brake testing, and the 2026 Modernized Pre-Trip inspection.
Oklahoma Turnpikes (PIKEPASS) & Severe Weather Tornadoes
- Oklahoma Turnpike Authority (Will Rogers, Turner, Indian Nation) operates all-electronic cashless tolling for commercial carriers.
- Severe spring tornado season: commercial drivers must recognize tornado signs and never park under overpass bridges (wind tunnel hazard).
- Livestock and cattle trailers require specialized understanding of live cargo shifts during sudden braking or lane changes.
- Service Oklahoma requires an 80% passing score on the 50-question CDL General Knowledge test.
Official Oklahoma Test Format
- Licensing Agency: Oklahoma Department of Public Safety (Service Oklahoma)
- 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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Download Free 2026 Oklahoma Pre-Trip Cheat Sheet PDF
Get our printable 4-Zone AAMVA Walkaround & Air Brake Recitation Guide used by top trucking schools, plus instant VIP notification when TruckerPass hits the App Store & Google Play.
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