🚛 Oklahoma CDL Permit Practice Test Guide
Pass Your Oklahoma CDL Written Test the First Time
DMV-Written-Test helps commercial driver applicants in Oklahoma get ready for the CDL written exam with practice tests based on the 2025 Oklahoma Commercial Driver License (CDL) Manual. These tests reflect the format and topics of the actual exam administered by the Oklahoma Department of Public Safety (DPS).
Whether you are applying for a Class A, B, or C CDL, our practice tests include General Knowledge, Combination Vehicles, Air Brakes, and Oklahoma-specific CDL laws.
For official manuals, license requirements, and appointment details, visit the Oklahoma DPS CDL page:
https://oklahoma.gov/dps/obtain-a-driver-license-id-card/commercial-driver-license.html
Start preparing today to pass your Oklahoma CDL permit test with confidence!
📘 What to Expect on the Oklahoma CDL Knowledge Test
Aspect
Details
Number of Questions
50 (General Knowledge)
Passing Score
80% (40 correct answers required)
Test Format
Multiple Choice
Time Limit
60 minutes (approximate)
Minimum Age
18 (21 for interstate/HazMat)
Test Languages
English, Spanish (HazMat only in English)
Endorsement Areas
HazMat, Tankers, Passenger, School Bus, Air Brakes
Retake Policy
Retake next business day (fee may apply)
❓ Frequently Asked Questions
How do I qualify for a CDL permit in Oklahoma?
You must be at least 18 years old, hold a valid Oklahoma driver’s license, pass a vision screening, and pass the General Knowledge test.
Is ELDT required for CDL applicants in Oklahoma?
Yes. Entry-Level Driver Training (ELDT) is required before taking the CDL skills test or applying for specific endorsements like HazMat.
How long is a CDL permit valid in Oklahoma?
The Commercial Learner’s Permit (CLP) is valid for 180 days and can be renewed once within one year.
Can I take the CDL test in Spanish?
Yes. The General Knowledge test is available in Spanish. HazMat must be taken in English.
What if I fail the CDL knowledge test?
You can retake the test the next business day. A retest fee will be charged.
Do I need a standard license before applying for a CDL?
Yes. You must hold a valid Oklahoma Class D license before applying for a CDL permit.
Are separate exams required for CDL endorsements?
Yes. Each endorsement (such as HazMat, School Bus, Tanker) requires a separate written test.
Can I transfer a CDL to Oklahoma from another state?
Yes. You must apply for a transfer within 30 days of becoming an Oklahoma resident.
What documents are required for a CDL in Oklahoma?
You must provide proof of identity, Oklahoma residency, Social Security number, and lawful presence.
Is TSA clearance required for HazMat endorsements?
Yes. All HazMat applicants must pass a TSA background check and fingerprinting process.