Knowledge Test Class A #1
Class A Driving Test | Texas 2026 #1 Page 8 of 10
Train for FREE online with our Texas 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 TX 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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50 . During the steering box portion of the vehicle inspection test, you should not:
Assume all cotter keys are present.
Before a trip, ensure that the steering box is securely mounted. Check for missing nuts, bolts, and cotter keys. Be sure that there are no power steering fluid leaks and that there is no damage to power steering hoses.
51 . If you are turning left and there are two available left turn lanes, which lane should you choose?
Trucks should not turn where there are two left turn lanes.
A large vehicle may need to swing right to make a left turn. If an intersection has two left turn lanes, the driver should choose the righthand land to begin their turn.
52 . Which of the following is not a backing maneuver that you will be asked to perform during the basic control skills test?
Blind offset
Backing maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right, offset back/left, driver side parallel parking, conventional parallel parking, and alley docking.
53 . In a dual air brake system:
One system is the main braking system and a second system is ready to be used if the first one fails.
A dual air brake system is made up of two separate air brake systems. The systems share a single set of brake controls, but each has its own air tanks, hoses, and lines.
54 . Which of the following is not an activity that causes a distraction?
Checking your mirrors
Anything that takes your attention away from driving can be a dangerous distraction. This includes eating, drinking, smoking, or adjusting the vehicle's audio and climate controls.
55 . What can happen if the air pressure gets too low in an air brake system?
The brakes will be very sensitive.
Pressing and releasing the brake pedal unnecessarily can let air out faster than the compressor can replace it, reducing the available air pressure. If the air pressure in an air brake system gets too low, the brakes will no longer work.
56 . Front wheel braking works:
Under most conditions.
Front wheel braking is effective under all road conditions. It is unlikely that you will experience a front wheel skid, even on ice.
2026 Texas | Frequently Asked Questions
To secure a CDL Bus endorsement in Texas, you must first possess a Commercial Driver's License (CDL). Next, pass the Passenger Vehicles endorsement written test. Then, get a school bus endorsement by passing the School Bus endorsement written test. Lastly, complete a driving skills test in the type of vehicle you'll be driving. This includes pre-trip inspection, basic vehicle control and on-road driving.
To obtain a CDL Bus license in Texas, you must have a valid Texas driver's license, be at least 18 years old (21 if driving interstate), and pass a medical examination. You'll also need to pass the CDL general knowledge test, the passenger transport test, and the school bus endorsement test. Finally, you must successfully complete the CDL skills test in a school bus.
Yes, specific training is required for a CDL Bus endorsement in Texas. You must pass the general knowledge test, Passenger Endorsement, and School Bus Endorsement tests. Additionally, you'll need to pass a driving skills test in a vehicle similar to the bus you plan to drive. Some applicants find it helpful to take professional driving courses before testing.
CDL Bus licenses in Texas fall under Class B or Class C. Class B is for vehicles designed to carry 24 passengers or more, including the driver. This includes school and city buses. Class C is for smaller vehicles designed to carry 16 to 23 passengers, including the driver. Both require the Passenger (P) endorsement, and school buses additionally require the School Bus (S) endorsement.
No, you cannot use your personal vehicle for the CDL Bus driving test in Texas. The vehicle you use must match the class of CDL you are applying for. Therefore, if you're applying for a CDL Bus license, you'll need to test in a bus that fits the classification of the license you're seeking.
The CDL Bus driving test in Texas evaluates skills such as pre-trip vehicle inspection, basic vehicle control, and on-road driving. You'll be assessed on maneuvers like stopping, turning, merging into traffic, and navigating intersections. Also, proper use of mirrors, signaling, speed control, and responding appropriately to road signs and traffic signals will be evaluated.
Yes, additional medical prerequisites are required for a CDL Bus endorsement in Texas. Applicants must pass a Department of Transportation (DOT) physical examination every 24 months. This includes vision and hearing tests, a blood pressure check, and checks for other physical conditions that could affect driving ability.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Texas. This endorsement is required for drivers who wish to drive a bus or vehicle designed to transport 16 or more passengers, including the driver. Operating such a vehicle without the proper licensing can lead to significant fines and penalties.
In Texas, you can add a CDL Bus endorsement to your existing license. You don't need to apply for a new license. However, you'll need to pass the Passenger Vehicles written test and a skills test in the vehicle type that matches the class and type of vehicle you'll be driving.
Yes, there are certain restrictions for drivers with a CDL Bus endorsement in Texas. For example, a driver with a CDL Bus endorsement cannot drive a bus under the influence of alcohol or drugs, or commit traffic violations. Also, they are subject to random drug and alcohol testing as part of the Federal Motor Carrier Safety Administration regulations.