CDL Practice Tests — Oklahoma
Free practice tests for the Oklahoma CDL exam, written from the Oklahoma Department of Public Safety handbook and federal standards.
Official handbook: Oklahoma Department of Public SafetyChoose a practice test
General Knowledge
50-question practice · 50-question mock exam · 80% to pass
OklahomaAir Brakes
25-question practice · 25-question mock exam · 80% to pass
OklahomaCombination Vehicles
20-question practice · 20-question mock exam · 80% to pass
OklahomaHazardous Materials
30-question practice · 30-question mock exam · 80% to pass
OklahomaTanker
20-question practice · 20-question mock exam · 80% to pass
OklahomaDoubles and Triples
20-question practice · 20-question mock exam · 80% to pass
OklahomaPassenger Transport
20-question practice · 20-question mock exam · 80% to pass
OklahomaSchool Bus
20-question practice · 20-question mock exam · 80% to pass
Step-by-stepOklahoma CDL Licensing Guide
How to get licensed in Oklahoma, step by step.
About the Oklahoma CDL exam
The Oklahoma CDL exam is administered by the Oklahoma Department of Public Safety. Like every state, Oklahoma adopts the federal standards as a baseline and adds state-specific requirements, fees, and procedures.
- Exam / licence fee: approximately $56.50.
- Skills testing: Oklahoma DPS CDL testing sites.
- Oklahoma requires a separate Oklahoma-specific written examination for the school bus endorsement beyond the federal knowledge test requirements.
To get started, read the official Oklahoma handbook (linked above), practice with the tests on this page until you consistently score above 80%, and then schedule your exam with the Oklahoma Department of Public Safety.
What's in the Oklahoma exam: Practice tests for the Commercial Driver's License written exam. Questions reflect the Federal Motor Carrier Safety Administration (FMCSA) Commercial Driver's License Manual that all states adopt as the basis for their CDL exams.
Recommended study materials
CDL Study Guide (Trivium)
Complete prep for all CDL written tests: general knowledge, air brakes, combination vehicles, hazmat, and all endorsements. Includes full-length practice tests.
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Check Price →As an Amazon Associate, CJ Affiliate, and AWIN publisher we earn from qualifying purchases. Links above are affiliate links. Full disclosure →
Practice test FAQs
How do I get a CDL license in Oklahoma?
In general you must meet the eligibility requirements, complete any required education or training, and pass the required knowledge test (and, where applicable, a skills test) administered through the Oklahoma Department of Public Safety. The exact steps, fees, and documents are set by Oklahoma and are covered in the guide above.
Is the CDL exam different in Oklahoma?
The core knowledge tested is similar across states, but Oklahoma sets its own specific rules, procedures, passing requirements, and any state-law content. That is why it is important to study materials specific to Oklahoma, which our CDL practice tests are written to reflect.
Are these Oklahoma practice tests free?
Yes. All of our Oklahoma CDL practice questions are completely free, with no sign-up or payment required, and every question includes a full explanation. You can start practicing immediately on desktop or mobile.
How should I prepare for the CDL exam in Oklahoma?
Study the official CDL materials from the Oklahoma Department of Public Safety, focus on the most heavily tested topics, and take practice tests until you consistently score above the passing threshold. You can start with the Oklahoma CDL practice tests for this state.
Where can I learn more about the CDL exam format and scoring?
Our CDL exam guide explains the test format, scoring, what is covered, and study strategies that apply in every state, including Oklahoma.