Class B Driving Test | New Mexico 2026 #2

Train for FREE online with our New Mexico 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 NM CDL class B permit 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 CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . Which of the following determines your blood alcohol concentration (BAC)?

How much you drink

How frequently you drink

The temperature of the drink

The main factors that determine a person's blood alcohol concentration (BAC) are how much alcohol has been consumed, how quickly it was consumed, and the person's body weight.

2 . Which of the following is not a sign of fatigue?

Difficulty focusing, with frequent blinking

Yawning repeatedly or rubbing eyes

Staying in your lane

Potential warning signs of fatigue include difficulty focusing, frequent blinking, or heavy eyelids; yawning repeatedly or rubbing your eyes; daydreaming; wandering or disconnected thoughts; trouble remembering the last few miles you've driven; missing exits or traffic signs; having trouble keeping your head up; drifting from your lane; following too closely; hitting a shoulder rumble strip; or feeling restless and irritable.

3 . Driving at night is:

Safer than driving during the day.

Just as safe as driving during the day.

More dangerous than driving during the day.

Driving at night is more dangerous than driving during the day because hazards become more difficult to see in the dark.

4 . In a dual air brake system:

Air tanks are shared between both systems.

Each system has its own air tanks.

You must designate which system you are using.

There are two air brake systems in a dual air brake system. The systems share a set of brake controls, but each system has its own tanks, hoses, and lines.

5 . Slow down and be extra careful:

When traveling in normal traffic.

When driving on dry pavement.

When approaching a work zone.

Slow down and be especially careful when driving in and around work zones, in places where the pavement drops off sharply at the edge of the road, when foreign objects are present on the road, and on freeway on- and off-ramps.

6 . When backing a truck, you should:

Only use the side mirrors on the driver’s side.

Use both side mirrors.

Only use the side mirrors on the passenger's side.

Backing a commercial motor vehicle is always dangerous because you cannot see everything behind you. When backing, make frequent checks of the mirrors on both sides of the vehicle.

7 . On flat surfaces, wheel chocks:

Can be used to prevent a parked vehicle from moving.

Make it easier for a parked vehicle to roll.

Should only be used on the front driver's side tire.

In situations where a driver cannot use a parking brake, wheel chocks can be used to hold a parked vehicle in place on a level surface.

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2026 New Mexico | Frequently Asked Questions

To secure a CDL Bus endorsement in New Mexico, you must first hold a valid Commercial Driver's License (CDL). Then, you need to pass the Passenger Vehicles endorsement written test. You also need to pass a skills test in the type of vehicle you plan to drive. Training and experience driving buses are highly recommended before taking these tests.

To obtain a CDL Bus License in New Mexico, you need a valid driver's license, pass a medical examination and vision test. Then, you must pass the General Knowledge test, the Passenger Transport test, and the School Bus Endorsement test. Lastly, you must successfully complete a road skills and driving examination in a bus. Training courses are highly recommended.

While specific experience or training is not legally required for a CDL Bus endorsement in New Mexico, it's highly recommended. Training can help you pass the required written and skills tests. Some employers may also require or prefer drivers with professional training or prior experience. Check with potential employers for their specific requirements.

CDL Bus licenses fall into three classes in New Mexico: Class A, Class B, and Class C. Class A doesn't typically apply to buses. Class B is for vehicles that can carry over 24 passengers, including the driver. Class C is for smaller vehicles carrying 16 to 23 passengers, including the driver. Each class requires different tests and endorsements based on the vehicle's size and type.

No, you cannot use your personal vehicle for the CDL Bus driving test in New Mexico. The vehicle you use for the test must match the class of CDL license you are applying for. In this case, you should take the test in a commercial bus. Some training schools provide vehicles for testing purposes.

During the CDL Bus driving test, you'll be evaluated on pre-trip inspections, basic vehicle control, and on-road driving. This includes checking safety equipment, demonstrating turns, stops, and starts, proper lane changes, following traffic signals, and safely navigating through traffic. The examiner will also check your ability to manage bus-specific tasks like loading/unloading passengers.

Yes, there are additional medical prerequisites for a CDL Bus endorsement in New Mexico. Applicants must pass a Department of Transportation (DOT) medical examination, which includes vision and hearing tests. The exam also evaluates physical abilities necessary for commercial driving, such as blood pressure levels, neurological function, and cardiovascular health.

No, it's not permissible to transport passengers without a valid CDL Bus endorsement in New Mexico. Operating a commercial vehicle designed to carry more than 16 passengers, including the driver, without the proper endorsement is illegal and can result in hefty fines, license suspension, or even jail time.

Yes, the CDL Bus endorsement can be added to your existing CDL. You don't need to apply for a new license. However, you will need to pass the passenger transport test and a skills test in a passenger vehicle. In some cases, depending on the size of the bus, you may also need a school bus endorsement.

Yes, there are restrictions for drivers with a CDL Bus endorsement in New Mexico. These include not having more passengers than the vehicle is designed to carry, maintaining a clean driving record, and adhering to specific federal regulations regarding rest periods and hours of service. Additionally, drivers are subject to random drug and alcohol testing.