Missouri CDL Practice Test

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🚛 Missouri CDL Permit Practice Test Guide

Pass Your Missouri CDL Written Test the First Time

DMV-Written-Test helps commercial driver applicants in Missouri prepare with accurate, up-to-date practice exams based on the 2025 Missouri Commercial Driver License (CDL) Manual. These tests simulate the real exam administered by the Missouri Department of Revenue (DOR).

Whether you’re applying for a Class A, B, or C CDL, our practice tests include General Knowledge, Air Brakes, Combination Vehicles, and Missouri-specific laws.

For official manuals, appointments, and CDL licensing information, visit the Missouri DOR CDL page:
https://dor.mo.gov/driver-license/commercial/

Get started today and pass your Missouri CDL permit test with confidence!

📘 What to Expect on the Missouri 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 or HazMat)
Test Languages English, Spanish (varies by location)
Endorsement Areas HazMat, School Bus, Tankers, Passenger, Air Brakes
Retake Policy Retake allowed next business day (fee may apply)

❓ Frequently Asked Questions

How do I qualify for a CDL permit in Missouri?
You must be at least 18 years old, hold a valid Missouri driver’s license, pass a vision test, and complete the CDL General Knowledge exam.
Is ELDT training required in Missouri?
Yes. Entry-Level Driver Training (ELDT) is federally mandated before taking the skills test or applying for select endorsements.
How long is the Missouri CDL permit valid?
The Commercial Learner’s Permit (CLP) is valid for 180 days and can be renewed one time.
Can I take the CDL knowledge test in Spanish?
Yes. The General Knowledge exam is offered in Spanish. HazMat must be taken in English.
What happens if I fail the CDL knowledge test?
You may retake the exam the next business day. A retesting fee may be required.
Do I need a regular license before applying for a CDL?
Yes. A valid Missouri Class F license is required to apply for a CDL permit.
Do endorsements require separate exams?
Yes. Each endorsement has a dedicated written knowledge test, and some require a skills test.
Can I transfer a CDL to Missouri from another state?
Yes. You must apply for a transfer within 30 days of establishing Missouri residency.
What documents are needed for a Missouri CDL?
You’ll need proof of identity, Missouri residency, legal presence, and your Social Security number.
Is a TSA background check needed for HazMat?
Yes. A TSA security threat assessment is required to obtain or renew a HazMat endorsement.