Double Triple Test | Montana 2026 #2

Train for FREE with our Montana CDL double triple practice test online. 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 MT CDL double triple license in 2026, 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 may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

1 . Move over laws:

Require trucks to drive in the left lane whenever possible.

Require all vehicles to vacate the lane closest to a stopped emergency vehicle using its lights flashing lights.

Require all vehicles to use the left lane whenever possible.

Require all drivers to move into the left lane if a flatbed trailer is in the right lane.

If an emergency vehicle using its flashing lights is stopped on the side of a multilane road, move over laws require drivers to vacate the lane directly next to the vehicle, if possible. If a driver cannot move over safely, they must slow down and proceed with caution.

2 . The parking brake in a newer vehicle is applied by:

Moving a lever to the right.

Pushing a yellow, diamond-shaped knob.

Pulling a yellow, diamond-shaped knob.

In newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The driver should pull the knob outward to apply the parking brakes and push the knob inward to release them.

3 . When doing an inspection, ensure that the brake pads are:

Covered with grease.

Covered with coolant.

Covered with oil.

Free of oil or grease.

When inspecting a vehicle's brakes, you should make sure the shoes and pads do not have oil, grease, or brake fluid on them.

4 . ____ is a thin layer of ice that forms on road surfaces.

White ice

Black ice

Soft ice

Sharp ice

Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet. You should be very careful when temperatures are below freezing and the road looks wet.

5 . Rollovers happen when:

A truck driver is driving too fast.

The driver of a vehicle in front of a truck is moving to slowly.

A truck driver is driving too slowly.

ABS is working effectively.

Rollovers happen when a vehicle is driven too fast. To reduce the risk of rollover, make sure the weight of cargo is loaded low to the ground, and that you take turns and curves slowly.

6 . If a truck is equipped, a trailer brake hand valve can be used to:

Add fuel to the vehicle.

Prevent the vehicle from rolling back when being started from a stop.

Check the oil level.

Load cargo.

If a tractor-trailer is so equipped, the trailer brake hand valve can be used to stop the vehicle from rolling back when being started from a stop.

7 . Which of the following is not an example of a distracted person that motorists should be worried about?

A driver talking to a passenger in their vehicle

A child on the side of the road

A construction worker on the side of the road

A person sitting on a bench waiting for a bus

Be cautious when driving near people who are not paying attention to the road. Be wary of road workers, drivers who are engaged in conversation with passengers, and children near the road.

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2026 Montana | Frequently Asked Questions

In Montana, to secure a CDL Doubles/Triples endorsement, you must first hold a valid Commercial Driver's License (CDL). Then, you need to pass the Doubles/Triples Knowledge written test. After passing the test, pay the necessary fees at your local Montana Motor Vehicle Division office to have the endorsement added to your CDL.

To obtain a CDL Doubles/Triples endorsement, you must hold a valid Commercial Driver's License (CDL). You will then need to pass the Doubles/Triples Knowledge written test. Some states may require additional training or experience. Check with your local Department of Motor Vehicles for specific requirements in your state.

While you must have a valid Commercial Driver's License (CDL) to get a Doubles/Triples endorsement, Montana doesn't explicitly require specialized training or experience. However, it's recommended to undergo training for safety and proficiency. Keep in mind, you must pass the Doubles/Triples Knowledge Test to get the endorsement.

Yes, in Montana, to obtain a CDL Doubles/Triples endorsement, you are required to pass a specialized knowledge test. This test is designed to assess your understanding of safety protocols, operational procedures, and regulations associated with driving double and triple trailers. It's separate from the general CDL written exam.

The CDL Doubles/Triples endorsement test in Montana is a written knowledge test, not a skills test. It focuses on specific rules and safety guidelines related to hauling double and triple trailers. Topics include coupling and uncoupling, inspecting doubles and triples, and handling these large vehicles on the road. Practical skills or maneuvers are not directly tested for this endorsement.

No, it is not permissible. In Montana, as in all U.S. states, you must have a valid CDL with a Doubles/Triples endorsement to legally operate double or triple trailers. Driving such vehicles without the appropriate license and endorsement can result in hefty fines, license suspension, and potential legal consequences.

Yes, you can add the Doubles/Triples endorsement to your current CDL. You don't need to initiate a new license application. However, you will need to pass the Doubles/Triples endorsement knowledge test, and pay an additional fee. Once you pass, the endorsement will be added to your existing CDL.

Yes, there are limitations. A CDL Doubles/Triples endorsement allows you to operate vehicles with more than one trailer, but it doesn't permit you to drive all types of commercial vehicles. For instance, you would need additional endorsements to drive a school bus or a vehicle carrying hazardous materials. Furthermore, all CDL rules regarding medical fitness, hours of service, etc., still apply.

In Montana, the maximum weight for a vehicle (or combination) with a load is 131,060 pounds. The maximum length for a single trailer is 53 feet, and for double/triple trailers, the combined length should not exceed 75 feet. However, these limits can be subject to exceptions based on specific routes or permit conditions. Always check local regulations.

Yes, there are specific safety guidelines. Drivers must ensure the coupling devices are secure, maintain a safe following distance, and avoid sudden lane changes or hard braking. Also, they must be aware of the "crack-the-whip" effect, which can cause the last trailer to overturn at high speeds or sharp turns. Regular vehicle inspections and adhering to federal and state regulations are also required.