Knowledge Test Class B #1
Class B Driving Test | Louisiana 2026 #1 Page 7 of 7
Train for FREE online with our Louisiana 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 LA 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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43 . If a vehicle is accompanied by a vehicle inspection report:
As the first step of a vehicle inspection, a driver should review any inspection report left by the previous driver.
44 . If another driver is tailgating you, you should:
If you are being tailgated, you should increase the distance between your vehicle and the vehicle ahead. This will reduce your need to make sudden moves, and will also allow the tailgater more room to pass you. Speeding up when being tailgated is not advised because it may result in the tailgater continuing to follow you closely at the higher speed, only increasing the danger.
45 . When it’s difficult to see, such as at dawn or dusk, a driver can increase their vehicle's visibility by:
When driving at dawn, at dusk, or in inclement weather, you should use your headlights on their low beam setting to increase your visibility.
46 . For a hazardous materials endorsement, an applicant will be required to:
To obtain a hazardous materials endorsement, you must submit your fingerprints and pass a background check.
47 . Brakes can get out of adjustment quickly, especially:
Brakes are particularly prone to getting out of adjustment if they are hot. Be sure to routinely check the adjustment of your brakes. For a vehicle to be safely controlled, all brakes must be properly functioning and adjusted.
48 . Air tank drains should:
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
49 . Your CDL will be revoked if:
If your privilege to operate your personal vehicle is revoked, canceled, or suspended due to moving traffic violations, you will also lose your CDL. This does not apply if your license is revoked due to parking violations.
50 . Traction is important in:
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.
2026 Louisiana | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Louisiana, you need to hold a valid Commercial Driver's License (CDL). Complete the written knowledge test and skills test related to passenger vehicles at a DMV office. You'll also need to pass a physical exam and provide proof of residency and Social Security number. It's advisable to prepare using the Louisiana CDL Manual.
To obtain a Commercial Driver's License (CDL) Passenger endorsement in Louisiana, you must first possess a valid CDL. Then, pass a written knowledge test about transporting passengers. Finally, you must pass a skills test in a vehicle of the same type as the one you'll be driving. You must also be at least 21 years old to drive across state lines.
While Louisiana doesn't specifically require training to get a CDL Passenger endorsement, it's recommended to have training or experience driving large vehicles. You must pass a written knowledge test and skills test related to passenger transport, so prior experience or training can be beneficial in successfully completing these tests.
Yes, in addition to holding a valid Commercial Driver's License (CDL), you are required to pass a written knowledge test specifically about transporting passengers safely. This test covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks.
During the CDL Passenger endorsement assessment, you'll need to demonstrate skills such as safe vehicle operation, proper mirror usage, correct use of signal indicators and brakes, and ability to perform pre-trip vehicle inspections. You'll also need to show proficiency in loading/unloading passengers, responding to emergency situations, and managing passenger behavior.
No, you cannot legally transport passengers in Louisiana without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving such a vehicle without the appropriate endorsement can lead to serious penalties.
Yes, you can add the CDL Passenger endorsement to your existing Commercial Driver's License. You don't need a new application for your license, but you will need to pass the Passenger endorsement written exam and pay an additional fee. The endorsement will be added to your existing CDL upon successful completion of the exam.
Yes, there are restrictions for drivers with a CDL Passenger endorsement in Louisiana. These include not being able to consume alcohol within four hours of driving or while driving, maintaining a BAC of less than .04%, and not leaving passengers unattended in the vehicle. Violating any of these restrictions can result in fines, license suspension, or even revocation of the endorsement.
Yes, to acquire a CDL Passenger endorsement in Louisiana, you must be at least 21 years old. This is to ensure that drivers have enough experience on the road before they are entrusted with the responsibility of transporting multiple passengers. There's no upper age limit as long as you can pass the necessary physical and written exams.
With a CDL Passenger endorsement in Louisiana, you'll be qualified to operate vehicles such as buses, shuttle vans, and any other vehicle designed to transport 16 or more passengers, including the driver. This means you can work for school districts, public transit agencies, and private transportation companies.