Combination Vehicles Practice Test | Wisconsin 2025 #1

Train for FREE online with our Wisconsin CDL combination vehicle test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a WI combination license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a combination license may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

1 . Emergency air lines are often coded with the color:

Green.

Orange.

Yellow.

Red.

In general, the parts of the service air line are coded blue and the parts of the emergency air line are coded red.

2 . When backing up to couple a trailer, you should position the tractor:

At a 90-degree angle in front of the trailer.

Directly in front of the trailer.

At a 30-degree angle in front of the trailer.

At a 60-degree angle in front of the trailer.

When backing up to couple a trailer, you should position the tractor directly in front of the trailer. Trying to couple while backing at an angle could cause the trailer to move and the landing gear to break.

3 . In a double or triple combination, the ____ trailer should be directly behind the cab.

Lightest

Heaviest

Smallest

When positioning trailers in a combination, the most heavily-loaded trailer should be the closest to the tractor. The lightest trailer should be positioned in the rear.

4 . A lightly-loaded combination vehicle will stop more slowly than a fully-loaded vehicle because:

The stiff suspension springs and strong brakes will have high traction.

The stiff suspension springs and strong brakes will have low traction.

The brakes only operate when a trailer reaches a minimum weight.

The suspension springs only operate when a trailer reaches a minimum weight.

An empty combination vehicle will come to a complete stop more slowly than a fully-loaded vehicle. The stiff suspension springs and strong brakes will have lower traction on a light trailer than they would if the vehicle carried more weight.

5 . If you cannot reverse your trailer in a straight path, you should:

Swerve back and forth while backing.

Back toward the driver's side.

Back toward the passenger's side.

If you need to back your trailer but cannot back up in a straight path, you should back on a curved path toward the driver's side of the vehicle. This will allow you the best possible visibility while backing.

6 . Which type of vehicle is most prone to the “crack-the-whip” effect?

A five-axle tractor semi-trailer

A three-axle tractor semi-trailer

A bobtail tractor

A triple trailer

Triple combination trailers are most vulnerable to the "crack-the-whip" effect.

7 . In a double or triple combination:

Cargo weight must be evenly distributed between all trailers.

The heaviest trailer should be positioned directly behind the cab.

The heaviest trailer should be positioned in the rear.

The weight of the trailers does not matter.

When positioning trailers in a combination, the most heavily-loaded trailer should be the closest to the tractor. The lightest trailer should be positioned in the rear.

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2025 Wisconsin | Frequently Asked Questions

To acquire a CDL Passenger endorsement in Wisconsin, you must first have a valid Commercial Driver's License (CDL). Then, you need to pass the Passenger Vehicles knowledge test. After passing the test, you will need to pass a skills test in a passenger vehicle. You can prepare for these tests using the Wisconsin Commercial Driver's Manual.

To obtain a CDL Passenger license in Wisconsin, you must hold a valid Commercial Driver's License (CDL), pass the Passenger Vehicles knowledge test, and complete a skills test in a passenger vehicle. Additionally, you must be at least 21 years old, have good vision, pass a medical examination, and have a clean driving record.

While Wisconsin doesn't mandate specific training for a CDL Passenger endorsement, it's highly recommended. Training can help you pass the Passenger Vehicles knowledge test and the skills test. Experience driving commercial vehicles is beneficial but not required. Studying the Wisconsin Commercial Driver's Manual is essential to understand rules and regulations.

Yes, to obtain a CDL Passenger endorsement in Wisconsin, you must pass the Passenger Vehicles knowledge test. This written exam covers topics like inspecting passenger vehicles, loading and trip start procedures, on-the-road driving, after-trip vehicle inspections, prohibited practices, and use of brake-door interlocks.

During the CDL Passenger endorsement assessment in Wisconsin, you will need to showcase skills such as proper vehicle inspection, safe loading and unloading of passengers, effective communication with passengers, maneuvering in tight spaces, driving defensively, and handling emergency situations. It is crucial to demonstrate your ability to operate the vehicle safely and efficiently while prioritizing the comfort and well-being of your passengers.

No, you cannot legally transport passengers in Wisconsin without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving such vehicles without the proper endorsement can result in legal penalties, including fines and potential suspension of your license.

Yes, you can add the CDL Passenger endorsement to your existing Commercial Driver's License (CDL) in Wisconsin. You don't need a new application for the CDL itself. However, you will need to pass the Passenger Vehicles knowledge test and pay the required fee to add this endorsement to your current CDL.

Yes, there are limitations and restrictions for drivers with a CDL Passenger endorsement in Wisconsin. Some of these include:

1. Vehicle type: The endorsement is specific to operating vehicles designed to transport 16 or more passengers, including the driver.

2. Passenger age: If the vehicle is used for transporting school children, additional endorsements may be required based on the age group being transported.

3. Endorsement renewal: The CDL Passenger endorsement must be renewed every four years along with the regular CDL renewal.

4. Medical certification: Drivers with a CDL Passenger endorsement must maintain a valid medical certificate to ensure they meet the physical requirements for operating passenger vehicles.

5. Background checks: Certain employers may require additional background checks or screenings for drivers with a CDL Passenger endorsement, such as fingerprinting or criminal history checks.

It is essential to familiarize yourself with these limitations and restrictions to ensure compliance and safe operation of passenger vehicles.

Yes, in Wisconsin, you must be at least 18 years old to apply for a Commercial Driver's License (CDL) with a Passenger endorsement for intrastate driving (within Wisconsin only). However, federal regulations require that you must be at least 21 years old to drive a commercial motor vehicle across state lines, or to transport hazardous materials or school children.

With a Commercial Driver's License (CDL) Passenger endorsement in Wisconsin, you will be eligible to operate a wide range of passenger vehicles. These include buses, shuttles, and any other commercial vehicles designed to transport 16 or more passengers, including the driver. This endorsement also allows you to drive a vehicle used for fee-based transportation services.