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Wisconsin CDL Practice Tests

Roehl Transport provides CDL practice tests (General Knowledge, Combination Vehicle & Air Brakes) for the state of Wisconsin. This page also provides an outline for test preparation, including resources.

Use these five sample test questions to prepare for the Wisconsin Commercial Driver's License (CDL) permit.

Question 1

In which of the following circumstances should you make use of your vehicle's horn?


Question 2

Which of the following should you do when confronted by an aggressive driver?


Question 3

What is the best way to figure out how many seconds of following distance you have?


Question 4

When performing a pre-trip inspection why is it a good idea to do it exactly the same way every time?


Question 5

Total stopping distance is a combination of...



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Three practice tests, namely the General Knowledge, Combination Vehicle, and Air Brakes CDL Practice Tests, play a pivotal role in preparation. Each test focuses on unique but essential areas of expertise vital for anyone looking to earn their commercial drivers license in the state of Wisconsin. Understanding the nuances of these tests is integral to obtaining a Wisconsin CDL, which requires adherence to specific state guidelines provided by the Wisconsin Department of Transportation (WisDOT). From age requirements to knowledge tests covering a spectrum of topics (found in the Wisconsin Commercial Driver’s Manual), prospective CDL holders must navigate through a structured process outlined by WisDOT. Additionally, incorporating Entry Level Driver Training (ELDT) and engaging in recommended training programs contribute to a comprehensive preparation strategy. By paying attention to detail and a commitment to safety, individuals can navigate the application process effectively and embark on a successful career in commercial driving.

Sample Wisconsin CDL License

General Knowledge, Combination Vehicle & Air Brakes CDL Practice Tests

There Are Three Unique Practice Tests Driver's Should Use When Preparing to Obtain Their Wisconsin Commercial Driver's License:

Preparing for the Wisconsin CDL (Manual and Practice Tests):

The CDL requirements for Wisconsin are based on guidelines provided by the Federal Motor Carrier Safety Administration. However, each state provides its own CDL testing questions through the state specific Department of Transportation (DOT). For truck drivers interested in studying for the state CDL exam, the Wisconsin Department of Transportation provides:

This manual covers all commercial motor vehicle driver license types including:

  • Class A CDL
  • Class B CDL
  • Class C CDL

State Specific CDL Eligibility Requirements for Wisconsin:

Age Requirement:
You must be at least 18 years old to obtain a CDL for intrastate (within Wisconsin) driving.
You must be at least 21 years old for interstate (across state lines) driving.

Driver's License:

You need to have a valid Wisconsin driver's license.

Medical Certification:

You must pass a medical examination conducted by a certified medical examiner.
This medical certification is required to ensure that you are physically fit to operate a commercial motor vehicle.

Knowledge Test:

You are required to pass written knowledge tests that cover general CDL knowledge, air brakes (if applicable), and any endorsements you may need.

Depending on the type of driving you plan to do, you may need additional endorsements such as Hazardous Materials (H), Tank Vehicles (N), School Bus (S), and others.

Entry Level Driver Training (ELDT) Requirements:

Beginning February 7, 2022, individuals falling into the following categories (listed below) must successfully complete Entry-Level Driver Training (ELDT) before becoming eligible for CDL skills testing. Entry Level Driver Training involves both theoretical instruction and behind-the-wheel (BTW) training at a facility listed on the Federal Motor Carrier Training Provider Registry.
This requirement pertains to:

  • First-time CDL applicants
  • Those applying for Class Upgrades (from Class B to Class A)
  • Individuals seeking to add a Hazardous Materials Endorsement (H)
  • Individuals looking to add a Passenger Endorsement (P)
  • Those intending to add a School Bus Endorsement (S)

Training Programs (Recommended):
While not mandatory, it is highly recommended to enroll in a CDL training program to prepare for the knowledge and skills tests.

Complete and Pass a Criminal Background Check:

You may be subject to a criminal background check as part of the CDL application process.

Proof of Identity, Residency, and Citizenship:

You will need to provide documentation as proof of your identity, residency in Wisconsin, and U.S. citizenship or legal presence.

Application Process:

Visit your local Wisconsin Department of Transportation (WisDOT) office to apply for a CDL.

Complete the necessary application forms.

Pay the Required Fees:

  • Commercial Learner Permit (CLP) (Class A, B, C): $30
  • Original (Class A, B, C): $74
  • Renewal (Class A, B, C) (8 year) (Does not include Class D): $74
  • School Bus Endorsement (when renewing CDL with an existing S or transferring a CDL from another state with an existing S): $5
  • School Bus Endorsement (when adding S for the first time): $10
  • Duplicate: $14
  • Hazardous Material Endorsement (HME): $34 (if done at the same time as a CDL renewal)
  • Class Upgrades: $15
  • Endorsement Upgrades: $5
  • Lifting Restriction - "No CMV operation in interstate commerce": $14
  • Knowledge Test: $0 (Yes, this part is FREE)

Getting a Wisconsin CDL - Step by Step Guide

Use this information to acquire your CLP or CDL in the State of Wisconsin.
Wisconsin Commercial Learner's Permit (CLP) / Commercial Driver’s License (CDL) Steps and Instructions
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