OK
Oklahoma CDL Practice Test
Free CDL practice tests for Oklahoma — the same topics covered on the official Oklahoma DPS knowledge exam. Oklahoma uses third-party CDL skills testers. The energy sector (oil, gas) creates strong CDL demand across the state.
Oklahoma CDL Requirements
Minimum Age18 (intrastate), 21 (interstate)
CLP Wait Period14 days (federal minimum)
Test Fees$20–$40 (estimated — verify with Oklahoma DPS)
Licensing AgencyOklahoma DPS ↗
CDL ManualDownload OK CDL Manual ↗
What the Oklahoma CDL Knowledge Tests Cover
The CDL knowledge tests in Oklahomafollow federal FMCSA standards, so the core topics are the same in every state. You'll be tested on:
- ✓General Knowledge — Required for every CDL applicant — covers vehicle inspection, driving safely, transporting cargo, and basic HazMat rules. 50 questions, 80% to pass.
- ✓Air Brakes — Required to drive vehicles with air brakes. Skip this and you get the L restriction. 25 questions, 80% to pass.
- ✓Combination Vehicles — Required for Class A CDL — covers coupling, uncoupling, anti-jackknife, and trailer handling.
- ✓HazMat (H Endorsement) — Required to transport hazardous materials that need placarding. Includes TSA background check.
- ✓Tanker (N Endorsement) — Required for liquid/gas tank vehicles of 1,000 gallons or more.
- ✓Passenger (P Endorsement) — Required to drive buses carrying 16+ passengers.
- ✓Doubles/Triples (T Endorsement) — Required to pull double or triple trailer combinations.
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Requirements, fees, and procedures can change. Always verify current information directly with the Oklahoma DPS before applying. CDLPrepKit is not affiliated with any state DMV or FMCSA.