Wisconsin CDL Practice Test

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🚛 Wisconsin CDL Permit Practice Test Guide

Pass Your Wisconsin CDL Written Test the First Time

DMV-Written-Test helps commercial driver applicants in Wisconsin prepare for the CDL knowledge exam with expert-crafted practice tests based on the 2025 Wisconsin Commercial Driver License (CDL) Manual. These tests reflect the actual exam administered by the Wisconsin Department of Transportation (WisDOT).

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

For official manuals, licensing requirements, and testing info, visit the Wisconsin DMV CDL page:
https://wisconsindot.gov/Pages/dmv/com-drv-vehs/cdl-how-aply/cdl.aspx

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

📘 What to Expect on the Wisconsin 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 (HazMat only in English)
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 Wisconsin?
You must be at least 18 years old, hold a valid Wisconsin driver’s license, pass a vision screening, and complete the General Knowledge exam.
Is Entry-Level Driver Training (ELDT) required in Wisconsin?
Yes. ELDT is federally mandated for all new CDL applicants and those seeking certain endorsements.
How long is the CDL permit valid in Wisconsin?
The Commercial Learner’s Permit (CLP) is valid for 180 days and can be renewed once.
Can I take the CDL test in Spanish?
Yes. The General Knowledge test is available in Spanish. The HazMat exam must be taken in English.
What happens if I fail the CDL knowledge exam?
You may retake the test the next business day. A retesting fee may be required.
Do I need a Wisconsin license before applying for a CDL?
Yes. A valid Wisconsin Class D license is required to apply for a CDL.
Are endorsement exams separate from the general knowledge test?
Yes. Each endorsement (e.g., HazMat, Tankers, Passenger) requires a separate written test and possibly a skills test.
Can I transfer a CDL from another state to Wisconsin?
Yes. You must transfer your CDL within 30 days of establishing residency in Wisconsin.
What documents are required to apply for a CDL?
You’ll need proof of identity, lawful presence, Wisconsin residency, and your Social Security number.
Is a TSA background check required for HazMat?
Yes. All HazMat endorsement applicants must pass a TSA background check and fingerprinting.