Knowledge Test Class A #2
Class A Driving Test | Louisiana 2026 #2 Page 4 of 7
Train for FREE online with our Louisiana class A 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 A 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 A requirements may vary from state to state.
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22 . Why are multi-speed axles and auxiliary transmissions used?
On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears.
23 . If driving through flowing water or a large puddle, you should:
It is best to avoid driving through large puddles or moving water. If there is no way to avoid driving through water, you should slow down, shift into a low gear, and gently apply the brakes. Pressing linings against the brake drums or discs will keep water, mud, silt, and sand from getting inside the brake mechanisms.
24 . The two indicators that determine when you should upshift are:
There are two indicators that determine when you need to shift into a higher gear. One indicator is the engine speed (rpm). You should read your vehicle's manual to learn its rpm range and shift up when you reach the top of that range. The other indicator is road speed (mph). You should learn which speeds each gear can accommodate, then keep an eye on the speedometer and shift up as needed.
25 . If a speed limit is posted, the posted speed:
A maximum posted speed limit is the fastest a vehicle may travel under ideal circumstances. A driver should decrease their driving speed as conditions require. A driver should never exceed the legal speed limit.
26 . If a worker is present in a work zone, you should:
When driving through a work zone, follow the posted speed limits. If workers are present, you should slow to a speed that is even lower than the posted limit.
27 . What happens if you don’t pass the air brakes endorsement test?
If you do not take or pass the air brakes test, you will be restricted to operating vehicles without air brakes.
28 . Rims with welding repairs:
Wheels or rims that have had welding repairs should never be used.
See the exact questions that will be on the 2026 Louisiana DMV exam.
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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.
