Knowledge Test Class A #2
Class A Driving Test | Colorado 2025 #2 Page 7 of 7
Train for FREE online with our Colorado 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 CO CDL class A permit in 2025, 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.
50
40
20
43 . Backing with a trailer is dangerous because:
There may be extra weight in the front of the trailer.
Backing up is always dangerous because it is impossible to see everything behind your vehicle. If you must drive in reverse, use a helper, if possible.
44 . If you have more than one license:
There is no way for authorities to find out.
A person may not have more than one license. Violation of this law may be punishable by jail time and/or a fine of up to $5,000.
45 . While driving a vehicle, if an unusual noise or feeling occurs, the driver should:
Drive on the shoulder.
If you see, hear, smell, or feel anything that could indicate trouble while you are driving, you should stop and inspect the source of the unusual occurrence.
46 . When inspecting engine compartment belts during the vehicle inspection test:
The applicant must identify which items are not belt-driven, if any.
When checking the engine compartment during the vehicle inspection test, you must check the power steering, water pump, alternator, and air compressor belts. In addition to cracks and frays, you should check the belts for snugness, allowing up to three-quarters of an inch of play at the center of each belt. If any of these items are not belt-driven, you must identify them and ensure that their components are operating properly, are not damaged or leaking, and are mounted securely.
47 . Poisonous fumes can enter the cab due to:
Under-inflated tires.
Defects in an exhaust system are very dangerous because they can cause poisonous fumes to enter the cab or sleeper berth.
48 . Texting while driving a CMV is:
Prohibited.
Texting while driving a commercial motor vehicle is both illegal and dangerous. Manually entering text into or reading text from any electronic device is considered texting.
49 . If a vehicle gets stuck on a railroad track, the driver should:
Wait in the vehicle for a law enforcement officer to arrive.
If your vehicle gets stuck on railroad tracks, immediately exit the vehicle and get away from the tracks. Check signs or signal housing at the crossing for emergency contact information. Call the emergency contact or call 911.
50 . If the spring brakes are activated, you should never:
Open the door to the cab.
Never apply the brake pedal if your spring breaks are activated. Brakes can be damaged if they are subject to both springs and air pressure.
2025 Colorado | Frequently Asked Questions
To secure a CDL Bus endorsement in Colorado, you must first have a valid Commercial Driver's License (CDL). Next, pass the Passenger Vehicles Endorsement Knowledge Test and the School Bus Endorsement Knowledge Test. Finally, pass a driving skills test in the type of school bus you wish to drive. All tests are administered by the Colorado DMV.
To obtain a CDL Bus license in Colorado, you need to have a valid driver's license, pass a medical examination, and complete a CDL application. After that, you must pass the General Knowledge Test and the Passenger Transport Test. Finally, you will need to pass a skills test in a vehicle similar to the one you'll be driving.
Yes, specific training is necessary for a CDL Bus endorsement in Colorado. Applicants must complete a commercial driver's license training course that includes both classroom and behind-the-wheel instruction. Additionally, they must pass written and skills tests specific to the type of bus they wish to drive, demonstrating knowledge of safety procedures and handling.
CDL Bus licenses fall under three main classes in Colorado: Class A, B, and C. Class A is for any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more. Class B is for a single vehicle with a Gross Vehicle Weight Rating (GVWR) of 26,001 lbs or more. Class C is for vehicles designed to transport 16 or more passengers (including the driver), or hazardous materials.
No, you cannot use your personal vehicle for the CDL Bus driving test in Colorado. The test must be taken in a vehicle that matches the class and type of the CDL you are applying for. In this case, you must take the test in a commercial bus similar to the one you plan to drive professionally.
The CDL Bus driving test evaluates a variety of skills. These include pre-trip vehicle inspection, basic vehicle control (backing, turning, and stopping), and on-road driving, which involves lane changes, highway driving, and interaction with traffic. Additionally, specific bus operation skills such as loading/unloading passengers, railroad crossing procedures, and emergency exit procedures are also assessed.
Yes, in Colorado, to obtain a CDL Bus endorsement, applicants must pass a Department of Transportation (DOT) physical exam. This test evaluates vision, hearing, blood pressure, and checks for conditions like diabetes and epilepsy. Applicants must also be free from any physical or mental condition that might affect their ability to safely operate a commercial vehicle.
No, it's not permissible. In Colorado, as in all U.S. states, a valid Commercial Driver's License (CDL) with a Passenger (P) endorsement is required to legally transport passengers in a commercial vehicle. Driving without the appropriate license or endorsement can lead to serious penalties including fines and suspension of driving privileges.
You can add a CDL Bus endorsement to your existing Commercial Driver's License in Colorado. It's not necessary to apply for a new license. However, you will have to pass the Passenger Transport Test, and in some cases, a skills test in the type of vehicle you wish to drive. Always check with your local DMV for specific requirements.
Yes, there are restrictions for drivers with a CDL Bus endorsement in Colorado. Drivers must not have any serious traffic violations within the past two years. They're also required to maintain a clean driving record, pass regular physical exams, and comply with drug and alcohol regulations. Violating these can result in temporary or permanent loss of the endorsement.