Passenger Endorsement | Idaho 2025 #1

Train for FREE with our Idaho CDL passenger endorsement 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 ID DMV passenger endorsement 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 CDL permit with passenger endorsement may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

1 . Traction is important in:

Safe braking.

Properly using turn signals.

Operating the horn.

You will not be able to brake or steer your vehicle without adequate traction. Ensure that your tires are in proper working condition before beginning a trip.

2 . If driving so slowly that you could impede the flow of traffic, you should:

Drive on the shoulder.

Drive while using your emergency flashers.

Drive without using any lights.

If you must drive so slowly that you will impede the flow of traffic, you should turn on your four-way flashers to alert drivers behind you (as long as local laws allow the use of flashers).

3 . Rust around wheel nuts may mean:

It recently rained.

The nuts are loose.

The tire is not clean.

Rust around wheel nuts can indicate that the nuts are loose. If you find rust near the wheel nuts, check their tightness before beginning to drive.

4 . Improperly loaded cargo can:

Look bad to other drivers.

Hurt or kill the driver during a quick stop.

Make it easier to stop a vehicle.

Improperly secured or loaded cargo can be very dangerous. For example, loose cargo could fall in the event of a sudden stop, potentially injuring or even killing the driver.

5 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven

Seven to eight

Eight to nine

Four to five

Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.

6 . Roof hatches on buses:

Must be removed before driving.

Must always be closed when driving.

May be locked in a partially-opened position.

On a bus, it is acceptable to lock some roof hatches in a partially-opened position to provide fresh air, but this should not be made a regular practice. Remember that opening these hatches will slightly increase a bus's clearance.

7 . After a tire has been changed, the driver should stop after a short distance to:

Check the tightness of the lug nuts.

Ensure that the tire has remained clean.

Inflate the new tire.

After changing a tire, you should stop a short distance later to recheck the tightness of the tire's lug nuts.

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2025 Idaho | Frequently Asked Questions

To secure a CDL Doubles/Triples endorsement in Idaho, you need to have a valid commercial driver's license (CDL). You will then need to pass the Doubles/Triples Knowledge Test offered by the Idaho Transportation Department. It's also recommended to practice with a qualified trainer before the test to ensure you understand how to safely operate these types of vehicles.

To obtain a CDL Doubles/Triples license, you must already hold a Commercial Driver's License (CDL). You'll need to pass the Doubles/Triples Knowledge Test, which covers coupling and uncoupling, inspecting doubles and triples, and checking air brakes. It's also recommended to have some hands-on training with a qualified instructor to ensure you can safely operate these vehicles.

While Idaho does not specifically require specialized experience or training for a CDL Doubles/Triples endorsement, it is highly recommended. Understanding how to handle these types of vehicles, how to couple and uncouple, and inspecting the vehicle are crucial. This knowledge can be gained through hands-on training with a qualified instructor and studying the CDL manual.

Yes, to obtain a CDL Doubles/Triples endorsement in Idaho, you are required to pass the Doubles/Triples Knowledge Test. This written exam focuses on the specific knowledge and skills needed to safely operate double and triple trailers, including coupling and uncoupling, vehicle inspections, and managing cargo.

During the CDL Doubles/Triples endorsement test in Idaho, you won't have to showcase specific driving skills or maneuvers. The test is knowledge-based and covers topics like coupling and uncoupling, inspecting doubles and triples, and managing cargo. However, practical skills like safely driving, turning, and parking these vehicles are crucial for real-world application.

No, it is not permissible to operate double or triple trailers without a valid CDL Doubles/Triples endorsement in Idaho. This endorsement is required by federal and state law to ensure that drivers have the necessary skills and knowledge to safely operate these larger, more complex vehicles. Operating without the endorsement can result in fines and penalties.

You can append the CDL Doubles/Triples endorsement to your current commercial driver's license. You don't need to initiate a new application for a CDL. However, you must pass the Doubles/Triples Knowledge Test. Once passed, the endorsement will be added to your existing CDL.

Drivers with a CDL Doubles/Triples endorsement must adhere to specific rules. These include restrictions on the maximum combined length of the trailers and the requirement to only drive these vehicles on designated highways. Also, they must follow all general CDL regulations, including hours of service rules, vehicle inspection requirements, and maintaining a clean driving record.

In Idaho, the maximum weight for a commercial vehicle, including double or triple trailers, is 105,500 lbs. The maximum length for a double trailer is 61 feet for the two trailers combined. Triple trailers are not generally permitted except on designated highways and they cannot exceed 95 feet in total length. These restrictions can change, so always check the current regulations.

Yes, there are specific safety guidelines for driving double/triple trailers. Drivers must maintain a safe following distance, anticipate stops, and avoid sudden lane changes. They should also be mindful of the "crack-the-whip" effect during turns. Regular vehicle inspections are mandatory to ensure brake system integrity and correct weight distribution. Additionally, drivers must comply with all CDL rules and federal regulations.