Knowledge Test Class B #1
Class B Driving Test | Texas 2026 #1
Train for FREE online with our Texas 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 TX 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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1 . If another driver is following you too closely, you should do all of the following, except:
Avoid relying on tricks to help others pass.
If you are being followed too closely, you should increase your following distance, avoid making quick moves, and avoid relying on tricks (such as flashing your lights) to help other drivers pass. Speeding up may only increase the danger by causing the tailgater to continue tailgating you at a higher speed.
2 . After starting the engine, oil pressure should reach a normal level:
Within 10 minutes of driving.
After you start the engine, keep an eye on the gauges. Oil pressure should rise to a normal level within a few seconds of the engine being started.
3 . If approaching a railroad crossing while driving a placarded vehicle, you should always:
Change lanes while on the tracks.
If approaching a railroad crossing while driving a transit bus, school bus, or placarded vehicle, special procedures apply. Before crossing, stop your vehicle within 50 feet of, but not less than 15 feet from, the nearest rail. Activate your four-way flashers while crossing. Do not stop, change gears, or change lanes while any part of your vehicle is proceeding across the tracks.
4 . What do anti-lock brakes do?
Prevent a vehicle from accelerating while traveling downhill
The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.
5 . On a truck with air brakes, the braking system’s air compressor:
Cleans the brakes.
In an air brake system, the air compressor pumps air into the air storage tanks. The air compressor is controlled by the air compressor governor.
6 . To inspect slack adjusters on S-cam brakes, you need to:
Chock the wheels and disengage the parking brake.
Check each slack adjuster after parking on level ground, setting wheel chocks, and disengaging the parking brake. Pull the slack adjusters to make sure they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.
7 . When driving:
You may read texts that have fewer than 30 words.
Using a phone while driving is a dangerous distraction. When operating a CMV, you are not allowed to read or send text messages.
2026 Texas | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Texas, you must first have a valid Texas CDL. Then, you need to pass the passenger transport test. This involves studying the Texas CDL handbook, especially the sections on passenger transport. After studying, schedule and pass the written knowledge test at a Texas DPS office.
To obtain a CDL Passenger license in Texas, you must meet the following criteria: be at least 21 years old, possess a valid Texas driver’s license, pass a Department of Transportation physical exam, successfully complete a commercial driver's license general knowledge test, and pass a passenger transport test. Also, you must demonstrate your ability to safely operate the type of vehicle you plan to drive.
While specific training isn't legally required to secure a CDL Passenger endorsement in Texas, it is highly recommended. Experience driving large vehicles can be beneficial. You must pass a written knowledge test, and training can help prepare for this. Some opt for professional training programs to gain comprehensive knowledge and practical skills before taking the test.
Yes, to get a CDL Passenger endorsement in Texas, you must pass a written knowledge test specifically for passenger transport. 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. Preparation involves studying the relevant sections of the Texas CDL handbook.
During the CDL Passenger endorsement skills test in Texas, you'll need to demonstrate your ability to inspect the vehicle, load and unload passengers safely, use emergency exits, and respond to emergencies. You'll also need to showcase your driving skills including turning, backing up, parking, and navigating through traffic or around obstacles while maintaining passenger safety.
No, you cannot legally transport passengers in Texas without a valid Commercial Driver's License (CDL) with a Passenger (P) endorsement. This endorsement is required for drivers who wish to drive a vehicle that can carry 16 or more passengers, including the driver. Driving without the necessary endorsement could result in heavy fines and penalties.
Yes, you can add a CDL Passenger endorsement to your existing CDL in Texas. You don't need a new license, but you must pass the passenger transport written test. After passing the test, the endorsement will be added to your existing CDL. This allows you to legally drive vehicles designed to carry 16 or more passengers.
Yes, there are restrictions for drivers with a CDL Passenger endorsement in Texas. One key restriction is the "P" restriction, which prohibits drivers from operating a passenger vehicle that is not equipped with air brakes if their driving test was taken in a vehicle without them. Additionally, drivers must follow all federal and state regulations for commercial drivers.
Yes, there are age-related prerequisites and limitations for acquiring the CDL Passenger endorsement in Texas. You must be at least 18 years old to obtain a CDL with a Passenger endorsement, but you can only operate within the state. To operate across state lines or transport hazardous materials, you must be at least 21 years old.
With a CDL Passenger endorsement in Texas, you can operate vehicles designed to transport 16 or more passengers, including the driver. This includes city buses, school buses (with a School Bus endorsement), shuttle buses, charter buses, and some types of vans. However, specific vehicle types may require additional endorsements.