🚛 Michigan CDL Permit Practice Test Guide
Pass Your Michigan CDL Written Test the First Time
DMV-Written-Test offers comprehensive CDL practice exams for Michigan drivers based on the 2025 Michigan Commercial Driver License (CDL) Manual. These tests reflect the actual exam administered by the Michigan Secretary of State (SOS).
Whether you’re pursuing a Class A, B, or C CDL, our practice tests include questions on General Knowledge, Air Brakes, Combination Vehicles, and Michigan-specific driving regulations.
For official CDL manuals, test requirements, and application info, visit the Michigan SOS CDL page:
https://www.michigan.gov/sos/vehicle/driver-licenses/commercial
Begin preparing now and get your Michigan CDL with confidence!
📘 What to Expect on the Michigan 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 (intrastate); 21 for interstate or HazMat
Test Languages
English, Spanish, and others (varies by location)
Endorsement Areas
HazMat, Passenger, School Bus, Tankers, Air Brakes
Retake Policy
Retake allowed next business day (fees may apply)
❓ Frequently Asked Questions
How do I qualify for a CDL permit in Michigan?
You must be at least 18 years old, hold a valid Michigan driver’s license, pass a vision test, and complete the CDL General Knowledge exam.
Is ELDT required in Michigan?
Yes. Entry-Level Driver Training (ELDT) is mandatory for all new CDL applicants and certain endorsements.
How long is the Michigan CDL permit valid?
The Commercial Learner’s Permit (CLP) is valid for 180 days and may be renewed one time.
Can I take the CDL knowledge test in Spanish?
Yes. The General Knowledge test is available in Spanish. HazMat must be taken in English.
What happens if I fail the CDL knowledge test?
You may retake the test the next business day. Retesting fees apply.
Do I need a standard license before applying for a CDL?
Yes. A valid Michigan operator’s license is required before applying for a CDL.
Are separate tests required for endorsements?
Yes. Each endorsement, such as HazMat or School Bus, requires a separate knowledge test.
Can I transfer my CDL to Michigan from another state?
Yes. You must transfer your CDL within 30 days of establishing residency in Michigan.
What documents are required to apply for a CDL?
You’ll need proof of identity, Michigan residency, Social Security number, and lawful presence.
Do HazMat applicants need a TSA background check?
Yes. All HazMat endorsement applicants must pass a TSA security threat assessment.