Class B Driving Test | Idaho 2025 #2

Train for FREE online with our Idaho class B license 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 ID CDL class B permit 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 CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . Rims with welding repairs:

Are not safe to be used.

Are acceptable to be used on tires on the rear of a vehicle.

Are acceptable to be used only when carrying a heavy load.

Wheels or rims that have had welding repairs should never be used.

2 . When near a railroad crossing:

You should expect to hear every approaching train.

You may not hear a train, even if one is approaching.

You will hear two short blasts of a train's horn if a train is approaching.

You should never assume that you will hear an approaching train. The train operator may fail to sound the horn, or the use of a train's horn may be prohibited in a specific area. Even if the train does sound its horn, noise from inside your own vehicle may prevent you from hearing the train until it is dangerously close.

3 . You must have an air brake endorsement:

To use a vehicle with air brakes.

To drive any truck with a trailer.

To transport hazardous materials.

You must take an air brakes knowledge test to become licensed to operate a vehicle that is equipped with air brakes, including an air over hydraulic braking system.

4 . During the driving test, the examiner will be scoring you on:

Attitude.

How quickly you arrive to your destination.

Your general driving behavior.

During the on-road driving test, the examiner will be scoring you on specific driving maneuvers, as well as your general driving behavior.

5 . Applicants seeking a hazardous materials endorsement must pass a threat assessment through which agency?

The TSA

The FBI

The CIA

Applicants seeking a hazardous materials endorsement must undergo a threat assessment conducted by the Transportation Security Administration (TSA).

6 . CDL applicants must be at least:

18 years old.

21 years old.

25 years old.

In Idaho, you must be at least 18 years old to obtain a CDL. You must be at least 21 years old to be licensed to drive across state lines.

7 . When driving, your mirrors should:

Not be used, as they are distracting.

Not be used unless there is traffic.

Be checked regularly.

It is important for you to be aware of your surroundings at all times. To do this, regularly check your mirrors.

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2025 Idaho | Frequently Asked Questions

To secure a CDL Bus endorsement in Idaho, you must first have a Commercial Driver's License (CDL). Next, you'll need to pass a passenger endorsement test covering topics like vehicle inspection, loading/unloading passengers, and emergency procedures. You also need to pass a skills test in a vehicle similar to the one you'll be driving. Check with the Idaho Transportation Department for more details.

To obtain a CDL Bus license in Idaho, you need to have a valid driver's license, pass a physical examination, and complete a CDL training course. Afterward, you'll take a written knowledge test and a skills test, which includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. You also need to pass the Passenger Endorsement test for bus drivers.

Yes, training is necessary for a CDL Bus endorsement in Idaho. You must complete a CDL training course that includes both classroom instruction and behind-the-wheel training. After the course, you'll need to pass a written knowledge test and a skills test. Some employers may also require previous driving experience. Check with the Idaho Transportation Department for specific requirements.

CDL Bus licenses in Idaho are categorized into three classes based on the vehicle's size and purpose: Class A, B, and C. Class A is for vehicles over 26,001 pounds or towing over 10,000 pounds. Class B is for vehicles over 26,001 pounds or towing vehicles less than 10,000 pounds. Class C is for transporting 16 or more passengers (including driver) or hazardous materials.

No, you cannot use your personal vehicle for the CDL Bus driving test in Idaho. The vehicle you use for the test must match the class and type of vehicle you plan to drive with your CDL. Therefore, you must use a commercial bus for your bus endorsement driving test. This ensures that you can handle the size and complexity of such vehicles.

During the CDL Bus driving test in Idaho, examiners assess your ability to safely operate a commercial bus. Skills evaluated include pre-trip vehicle inspection, basic vehicle control (like turning, stopping, and backing up), and on-road driving (like lane changes, intersections, and highway driving). You'll also be tested on specific bus operations like loading/unloading passengers, railroad crossing procedures, and emergency exit procedures.

Yes, to obtain a CDL Bus endorsement in Idaho, you must meet specific medical requirements. You're required to pass a Department of Transportation (DOT) physical examination every 24 months to ensure you're physically capable of safe driving. The exam covers vision, hearing, blood pressure, and checks for conditions like diabetes or epilepsy that could interfere with driving safety.

No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Idaho. The law requires any driver operating a commercial vehicle designed to carry 16 or more passengers, including the driver, to hold a valid Commercial Driver's License (CDL) with a Passenger (P) endorsement. Operating without this could lead to serious legal consequences.

Yes, the CDL Bus endorsement can be added to your existing CDL. In Idaho, you don't need to apply for a new license. However, you're required to pass the passenger transport test, and in some cases, a driving skills test in the type of vehicle you will be driving. Once you pass, the endorsement is added to your CDL.

Yes, drivers with a CDL Bus endorsement in Idaho must adhere to certain restrictions. They must not have more than one serious traffic violation in three years, and must not have any DUI convictions in the past five years. Additionally, they must pass the required knowledge and skills tests, maintain a clean driving record, and meet physical qualification standards.