Wisconsin CDL Knowledge Test Sample Questions
Real, Wisconsin-specific sample questions from our practice question bank, with the correct answer, a full explanation, and a source reference for each. See our national sample questions for topics that apply to every state, or take the full Wisconsin cdl practice test to test yourself instead of just reading the answers.
General Driving Knowledge
1. What is the fee for a Wisconsin commercial learner's permit (CLP)?
Wisconsin charges $30 for a commercial learner's permit covering Classes A, B, and C.
Source: Wisconsin DMV, Commercial Driver License Manual
2. How long is a Wisconsin CLP valid?
A Wisconsin commercial learner's permit is valid for 180 days.
Source: Wisconsin DMV, Commercial Driver License Manual
3. What noncommercial license must a Wisconsin applicant already hold before applying for a CLP?
A Wisconsin applicant must already hold a valid Class D driver's license before applying for a CLP or CDL.
Source: Wisconsin DMV, Commercial Driver License Manual
4. What BAC threshold applies specifically to commercial drivers in Wisconsin?
Wisconsin holds commercial drivers to a 0.04% BAC threshold, consistent with the federal commercial standard.
Source: Wisconsin DMV, Commercial Driver License Manual
5. What must a Wisconsin CDL applicant complete before the skills test, alongside the knowledge test?
Since February 2022, Wisconsin CDL applicants must complete federally-required entry-level driver training (ELDT) through an FMCSA-registered provider before the skills test.
Source: Wisconsin DMV, Commercial Driver License Manual
More Questions
6. What device rule applies to a Wisconsin CDL holder who still holds an instruction permit or probationary license?
Wisconsin bans handheld and hands-free cell phone use for any instruction permit or probationary license holder, regardless of age or CDL status, except to report an emergency.
Source: Wisconsin DMV, Commercial Driver License Manual
7. Under federal hours-of-service rules that apply to Wisconsin CDL holders, how many hours of driving are allowed after 10 consecutive hours off duty?
Federal hours-of-service rules allow up to 11 hours of driving after 10 consecutive hours off duty, within a 14-hour on-duty window.
Source: Wisconsin DMV, Commercial Driver License Manual