Knowledge Test Class B #1
Class B Driving Test | New Mexico 2026 #1 Page 5 of 7
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.
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29 . The effects of alcohol are felt:
Alcohol impairment can begin with the first drink consumed. It is both illegal and dangerous to operate a motor vehicle while impaired by alcohol.
30 . To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Some older vehicles have front brake limiting valves with "normal" and "slippery" settings. Setting a brake limiting valve to "slippery" reduces the vehicle's stopping power, so a driver should make sure the valve is in its "normal" position. Front wheel braking has proven to be effective in all driving conditions.
31 . When driving in winter, which of the following should receive extra attention in a pre-trip inspection?
When doing a pre-trip inspection during the winter, you should pay extra attention to the coolant level and amount of antifreeze; the defrosting and heating equipment; the wiper blades and windshield washer; the tires and tire chains; the lights and reflectors; the windows and mirrors; the hand holds, steps, and deck plates; the radiator shuttles and winterfront; and exhaust system.
32 . Which of the following determines your blood alcohol concentration (BAC)?
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.
33 . Texting while driving is:
Texting while driving is dangerous and is never permitted while operating a CMV.
34 . When driving under wet conditions, a lack of spray coming from the tires of other vehicles indicates that:
In wet conditions, a lack of spray coming from the tires of other vehicles indicates that ice has formed on the road. Be especially cautious when traveling under wet conditions in freezing weather.
35 . When encountering a railroad crossing during the driving test, you should:
During the on-road driving test, you must not stop, change gears, pass another vehicle, or change lanes while any part of your vehicle is in a railroad crossing.
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2026 New Mexico | Frequently Asked Questions
To acquire a CDL Passenger endorsement in New Mexico, you must first possess a valid New Mexico CDL. Then, pass the Passenger Transport Test, which covers the special rules and skills necessary for safely transporting passengers. You may also need to pass a skills test in a vehicle similar to the one you'll be driving.
To obtain a CDL Passenger license, you must have a valid CDL and be at least 21 years old. You'll need to pass the Passenger Transport written test, which covers topics like vehicle inspection, loading/unloading passengers, and emergency procedures. In some cases, a skills test in a passenger vehicle may also be required.
While New Mexico doesn't mandate specific training for a CDL Passenger endorsement, it's highly recommended. Training can help you prepare for the Passenger Transport Test and any required skills tests. Experience driving similar vehicles can also be beneficial. However, the key requirement is passing the relevant written and skills tests.
Yes, to secure a CDL Passenger endorsement in New Mexico, you'll need to pass the Passenger Vehicles endorsement written test. This test covers topics such as vehicle inspection, loading/unloading procedures, managing passengers, and emergency situations. It's designed to ensure you have the necessary knowledge to safely operate a passenger vehicle.
During the CDL Passenger endorsement assessment, you'll need to showcase skills such as pre-trip vehicle inspection, safe driving practices, proper use of mirrors, executing turns and stops smoothly, and emergency procedures. You'll also need to demonstrate understanding of special rules for buses, including loading/unloading passengers safely and securing wheelchair lifts.
No, you cannot legally transport passengers without a valid CDL Passenger endorsement in New Mexico. This endorsement is required by law for drivers who wish to operate a commercial vehicle designed to carry 16 or more passengers, including the driver. Driving without the necessary endorsement can lead to severe penalties.
Yes, you can add the CDL Passenger endorsement to your existing commercial driver's license. You don't need a new application. However, you must pass the Passenger Vehicles endorsement written test and a skills test in a passenger vehicle. It's recommended to check with the New Mexico Motor Vehicle Division for specific procedures and requirements.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in New Mexico. Drivers are required to obey all standard traffic laws and additionally, they must not tow trailers. They're also responsible for the safety of passengers, ensuring seat belt use, and managing conduct. Overloading or operating the vehicle in a reckless or negligent manner is strictly prohibited.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in New Mexico. Applicants must be at least 21 years old to drive a commercial vehicle across state lines or carry hazardous materials. However, those who are 18 years or older can obtain a CDL for in-state driving (intrastate) only.
With a CDL Passenger endorsement in New Mexico, you'll be authorized to operate a range of passenger vehicles. These include buses, shuttle vans, and other vehicles designed to carry 16 or more passengers, including the driver. This endorsement is crucial for jobs like city bus drivers, school bus drivers, and commercial bus drivers.
