Knowledge Test Class A #2
Class A Driving Test | Illinois 2026 #2 Page 3 of 7
Train for FREE online with our Illinois 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 IL 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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15 . Exceeding the number of pull-ups allotted for a single exercise will result in:
An extra point against your score.
A driver is allowed to use two pull-ups without penalty during any skills test exercise, aside from the straight line backing exercise, during which only one pull-up is permitted. Exceeding the number of permitted pull-ups during a single exercise will result in automatic failure of the basic vehicle control skills test.
16 . Water and compressor oil are usually found in the compressed air within an air brake system. Water and compressor oil:
Are not concerns.
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.
17 . If you’re driving and the ABS warning light comes on, it means:
The ABS needs to be activated.
Vehicles with Anti-Lock Braking Systems (ABS) have yellow malfunction lights to alert the driver if something is wrong with the braking system. If these lights activate, the driver may have lost ABS on one or more wheels.
18 . To obtain a CDL for interstate commerce, an applicant must be at least:
25 years old.
You must be at least 21 years old to operate a motor vehicle involved in interstate commerce.
19 . Hydroplaning is like:
Walking.
Hydroplaning is similar to water skiing: your vehicle's tires glide along the road on a film of water without having traction with the surface of the road.
20 . After a tire has been changed, the driver should stop after a short distance to:
Check the air pressure of the tire.
After a tire is changed, you should stop after a short distance to ensure that the lug nuts are still safely in place.
21 . During a written exam:
Cell phones may be left on.
All electronic devices must be turned off while a written exam is being taken.
See the exact questions that will be on the 2026 Illinois DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
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2026 Illinois | Frequently Asked Questions
To secure a CDL Bus endorsement in Illinois, you must first possess a Commercial Driver's License (CDL). Then, pass a passenger endorsement test which covers topics like bus inspection, loading/unloading passengers, and emergency procedures. Additionally, you may need to pass a skills test in the type of bus you wish to drive.
To obtain a CDL Bus license in Illinois, you must be at least 21 years old, have a valid Illinois driver's license, and pass a vision test. You will need to pass both a written and skills test for the Commercial Driver's License (CDL). For the bus endorsement, you must pass the Passenger Vehicles written test and perform a driving test.
Yes, specific training is necessary for a CDL Bus endorsement. You need to pass a written passenger endorsement test and a skills test in the type of bus you wish to drive. Some individuals may require additional training depending on their experience level, including hands-on driving practice and understanding safety regulations.
CDL Bus licenses in Illinois fall into three classifications: Class A, B, and C. Class A is for vehicles with a combined weight over 26,001 lbs. where the towed vehicle is over 10,000 lbs. Class B is for single vehicles over 26,001 lbs. or towing another vehicle not over 10,000 lbs. Class C is for vehicles designed to transport 16 or more passengers including the driver.
No, you cannot use your personal vehicle for the CDL Bus driving test. The vehicle used for the test must match the type and class of CDL you're applying for. For a bus endorsement, you must take the test in the type of bus you plan to drive. This ensures you can handle and operate that specific vehicle safely.
During the CDL Bus driving test, you are evaluated on specific skills like pre-trip vehicle inspection, basic vehicle control, and on-road driving. These may include maneuvers like backing up, parallel parking, making turns, and highway driving. You will also be evaluated on your ability to handle bus-specific situations like loading and unloading passengers safely.
Yes, there are additional medical prerequisites for a CDL Bus endorsement. You must pass a Department of Transportation (DOT) physical examination every two years. The exam evaluates your vision, hearing, blood pressure, and checks for diabetes and other potential health issues. You'll also need to self-certify your medical status with the Illinois Secretary of State's office.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Illinois. This is a legal requirement, and driving a commercial passenger vehicle without the appropriate endorsement can result in significant fines, license suspension, and even jail time. It ensures the driver has the necessary skills and knowledge for passenger safety.
Yes, the CDL Bus endorsement can be added to your existing CDL in Illinois. You don't need to apply for a new CDL. However, you must pass the Passenger Transport Test and a skills test in the type of vehicle you'll be driving. Additionally, a background check is required for school bus drivers.
Yes, there are restrictions for drivers with a CDL Bus endorsement in Illinois. These include a zero-tolerance policy for alcohol and drugs, mandatory regular medical examinations to ensure fitness to drive, and adherence to hours-of-service regulations to prevent fatigue. Additionally, drivers must always wear seat belts and obey speed limits. Violations can lead to fines, license suspension, or revocation.
